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pgindent run. Make it all clean.

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This commit is contained in:
Bruce Momjian
2001-03-22 04:01:46 +00:00
parent 6cf8707b82
commit 9e1552607a
555 changed files with 32514 additions and 28110 deletions
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12
src/backend/access/common/heaptuple.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.69 2001/01/24 19:42:46 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.70 2001/03/22 03:59:11 momjian Exp $
*
* NOTES
* The old interface functions have been converted to macros
@@ -306,8 +306,8 @@ nocachegetattr(HeapTuple tuple,
int j;
/*
* In for(), we test <= and not < because we want to see
* if we can go past it in initializing offsets.
* In for(), we test <= and not < because we want to see if we
* can go past it in initializing offsets.
*/
for (j = 0; j <= attnum; j++)
{
@@ -321,9 +321,9 @@ nocachegetattr(HeapTuple tuple,
}
/*
* If slow is false, and we got here, we know that we have a tuple with
* no nulls or varlenas before the target attribute. If possible, we
* also want to initialize the remainder of the attribute cached
* If slow is false, and we got here, we know that we have a tuple
* with no nulls or varlenas before the target attribute. If possible,
* we also want to initialize the remainder of the attribute cached
* offset values.
*/
if (!slow)

28
src/backend/access/common/indextuple.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/common/indextuple.c,v 1.52 2001/02/22 21:48:48 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/common/indextuple.c,v 1.53 2001/03/22 03:59:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -45,9 +45,11 @@ index_formtuple(TupleDesc tupleDescriptor,
bool hasnull = false;
uint16 tupmask = 0;
int numberOfAttributes = tupleDescriptor->natts;
#ifdef TOAST_INDEX_HACK
Datum untoasted_value[INDEX_MAX_KEYS];
bool untoasted_free[INDEX_MAX_KEYS];
#endif
if (numberOfAttributes > INDEX_MAX_KEYS)
@@ -57,7 +59,7 @@ index_formtuple(TupleDesc tupleDescriptor,
#ifdef TOAST_INDEX_HACK
for (i = 0; i < numberOfAttributes; i++)
{
Form_pg_attribute att = tupleDescriptor->attrs[i];
Form_pg_attribute att = tupleDescriptor->attrs[i];
untoasted_value[i] = value[i];
untoasted_free[i] = false;
@@ -73,20 +75,20 @@ index_formtuple(TupleDesc tupleDescriptor,
if (VARATT_IS_EXTERNAL(value[i]))
{
untoasted_value[i] = PointerGetDatum(
heap_tuple_fetch_attr(
(varattrib *) DatumGetPointer(value[i])));
heap_tuple_fetch_attr(
(varattrib *) DatumGetPointer(value[i])));
untoasted_free[i] = true;
}
/*
* If value is above size target, and is of a compressible datatype,
* try to compress it in-line.
* If value is above size target, and is of a compressible
* datatype, try to compress it in-line.
*/
if (VARATT_SIZE(untoasted_value[i]) > TOAST_INDEX_TARGET &&
!VARATT_IS_EXTENDED(untoasted_value[i]) &&
(att->attstorage == 'x' || att->attstorage == 'm'))
{
Datum cvalue = toast_compress_datum(untoasted_value[i]);
Datum cvalue = toast_compress_datum(untoasted_value[i]);
if (DatumGetPointer(cvalue) != NULL)
{
@@ -146,8 +148,8 @@ index_formtuple(TupleDesc tupleDescriptor,
/*
* We do this because DataFill wants to initialize a "tupmask" which
* is used for HeapTuples, but we want an indextuple infomask. The
* only relevant info is the "has variable attributes" field.
* We have already set the hasnull bit above.
* only relevant info is the "has variable attributes" field. We have
* already set the hasnull bit above.
*/
if (tupmask & HEAP_HASVARLENA)
@@ -315,9 +317,9 @@ nocache_index_getattr(IndexTuple tup,
}
/*
* If slow is false, and we got here, we know that we have a tuple with
* no nulls or varlenas before the target attribute. If possible, we
* also want to initialize the remainder of the attribute cached
* If slow is false, and we got here, we know that we have a tuple
* with no nulls or varlenas before the target attribute. If possible,
* we also want to initialize the remainder of the attribute cached
* offset values.
*/
if (!slow)
@@ -391,9 +393,7 @@ nocache_index_getattr(IndexTuple tup,
usecache = false;
}
else
{
off += att[i]->attlen;
}
}
off = att_align(off, att[attnum]->attlen, att[attnum]->attalign);

27
src/backend/access/common/printtup.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/common/printtup.c,v 1.57 2001/01/24 19:42:47 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/common/printtup.c,v 1.58 2001/03/22 03:59:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -51,7 +51,7 @@ getTypeOutputInfo(Oid type, Oid *typOutput, Oid *typElem,
*typOutput = pt->typoutput;
*typElem = pt->typelem;
*typIsVarlena = (! pt->typbyval) && (pt->typlen == -1);
*typIsVarlena = (!pt->typbyval) && (pt->typlen == -1);
ReleaseSysCache(typeTuple);
return OidIsValid(*typOutput);
}
@@ -200,9 +200,10 @@ printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver *self)
continue;
if (OidIsValid(thisState->typoutput))
{
/*
* If we have a toasted datum, forcibly detoast it here to avoid
* memory leakage inside the type's output routine.
* If we have a toasted datum, forcibly detoast it here to
* avoid memory leakage inside the type's output routine.
*/
if (thisState->typisvarlena)
attr = PointerGetDatum(PG_DETOAST_DATUM(origattr));
@@ -210,9 +211,9 @@ printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver *self)
attr = origattr;
outputstr = DatumGetCString(FunctionCall3(&thisState->finfo,
attr,
ObjectIdGetDatum(thisState->typelem),
Int32GetDatum(typeinfo->attrs[i]->atttypmod)));
attr,
ObjectIdGetDatum(thisState->typelem),
Int32GetDatum(typeinfo->attrs[i]->atttypmod)));
pq_sendcountedtext(&buf, outputstr, strlen(outputstr));
@@ -308,9 +309,10 @@ debugtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver *self)
if (getTypeOutputInfo(typeinfo->attrs[i]->atttypid,
&typoutput, &typelem, &typisvarlena))
{
/*
* If we have a toasted datum, forcibly detoast it here to avoid
* memory leakage inside the type's output routine.
* If we have a toasted datum, forcibly detoast it here to
* avoid memory leakage inside the type's output routine.
*/
if (typisvarlena)
attr = PointerGetDatum(PG_DETOAST_DATUM(origattr));
@@ -318,9 +320,9 @@ debugtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver *self)
attr = origattr;
value = DatumGetCString(OidFunctionCall3(typoutput,
attr,
ObjectIdGetDatum(typelem),
Int32GetDatum(typeinfo->attrs[i]->atttypmod)));
attr,
ObjectIdGetDatum(typelem),
Int32GetDatum(typeinfo->attrs[i]->atttypmod)));
printatt((unsigned) i + 1, typeinfo->attrs[i], value);
@@ -405,6 +407,7 @@ printtup_internal(HeapTuple tuple, TupleDesc typeinfo, DestReceiver *self)
/* send # of bytes, and opaque data */
if (thisState->typisvarlena)
{
/*
* If we have a toasted datum, must detoast before sending.
*/

18
src/backend/access/common/tupdesc.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.71 2001/01/24 19:42:47 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.72 2001/03/22 03:59:11 momjian Exp $
*
* NOTES
* some of the executor utility code such as "ExecTypeFromTL" should be
@@ -242,9 +242,9 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
/*
* We do not need to check every single field here, and in fact
* some fields such as attdispersion probably shouldn't be
* compared. We can also disregard attnum (it was used to
* place the row in the attrs array) and everything derived
* from the column datatype.
* compared. We can also disregard attnum (it was used to place
* the row in the attrs array) and everything derived from the
* column datatype.
*/
if (strcmp(NameStr(attr1->attname), NameStr(attr2->attname)) != 0)
return false;
@@ -276,8 +276,8 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
/*
* We can't assume that the items are always read from the
* system catalogs in the same order; so use the adnum field to
* identify the matching item to compare.
* system catalogs in the same order; so use the adnum field
* to identify the matching item to compare.
*/
for (j = 0; j < n; defval2++, j++)
{
@@ -298,9 +298,9 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
ConstrCheck *check2 = constr2->check;
/*
* Similarly, don't assume that the checks are always read
* in the same order; match them up by name and contents.
* (The name *should* be unique, but...)
* Similarly, don't assume that the checks are always read in
* the same order; match them up by name and contents. (The
* name *should* be unique, but...)
*/
for (j = 0; j < n; check2++, j++)
{

698
src/backend/access/gist/gist.c
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File diff suppressed because it is too large Load Diff

4
src/backend/access/gist/gistget.c
View File

@@ -32,8 +32,8 @@ static bool gistindex_keytest(IndexTuple tuple, TupleDesc tupdesc,
Datum
gistgettuple(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
ScanDirection dir = (ScanDirection) PG_GETARG_INT32(1);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
ScanDirection dir = (ScanDirection) PG_GETARG_INT32(1);
RetrieveIndexResult res;
/* if we have it cached in the scan desc, just return the value */

14
src/backend/access/gist/gistscan.c
View File

@@ -72,9 +72,9 @@ gistbeginscan(PG_FUNCTION_ARGS)
Datum
gistrescan(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
bool fromEnd = PG_GETARG_BOOL(1);
ScanKey key = (ScanKey) PG_GETARG_POINTER(2);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
bool fromEnd = PG_GETARG_BOOL(1);
ScanKey key = (ScanKey) PG_GETARG_POINTER(2);
GISTScanOpaque p;
int i;
@@ -160,7 +160,7 @@ gistrescan(PG_FUNCTION_ARGS)
Datum
gistmarkpos(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
GISTScanOpaque p;
GISTSTACK *o,
*n,
@@ -196,7 +196,7 @@ gistmarkpos(PG_FUNCTION_ARGS)
Datum
gistrestrpos(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
GISTScanOpaque p;
GISTSTACK *o,
*n,
@@ -232,8 +232,8 @@ gistrestrpos(PG_FUNCTION_ARGS)
Datum
gistendscan(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
GISTScanOpaque p;
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
GISTScanOpaque p;
p = (GISTScanOpaque) s->opaque;

57
src/backend/access/hash/hash.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/hash/hash.c,v 1.49 2001/02/22 21:48:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/hash/hash.c,v 1.50 2001/03/22 03:59:12 momjian Exp $
*
* NOTES
* This file contains only the public interface routines.
@@ -41,12 +41,14 @@ bool BuildingHash = false;
Datum
hashbuild(PG_FUNCTION_ARGS)
{
Relation heap = (Relation) PG_GETARG_POINTER(0);
Relation index = (Relation) PG_GETARG_POINTER(1);
IndexInfo *indexInfo = (IndexInfo *) PG_GETARG_POINTER(2);
Node *oldPred = (Node *) PG_GETARG_POINTER(3);
Relation heap = (Relation) PG_GETARG_POINTER(0);
Relation index = (Relation) PG_GETARG_POINTER(1);
IndexInfo *indexInfo = (IndexInfo *) PG_GETARG_POINTER(2);
Node *oldPred = (Node *) PG_GETARG_POINTER(3);
#ifdef NOT_USED
IndexStrategy istrat = (IndexStrategy) PG_GETARG_POINTER(4);
IndexStrategy istrat = (IndexStrategy) PG_GETARG_POINTER(4);
#endif
HeapScanDesc hscan;
HeapTuple htup;
@@ -59,9 +61,11 @@ hashbuild(PG_FUNCTION_ARGS)
nitups;
HashItem hitem;
Node *pred = indexInfo->ii_Predicate;
#ifndef OMIT_PARTIAL_INDEX
TupleTable tupleTable;
TupleTableSlot *slot;
#endif
ExprContext *econtext;
InsertIndexResult res = NULL;
@@ -117,6 +121,7 @@ hashbuild(PG_FUNCTION_ARGS)
nhtups++;
#ifndef OMIT_PARTIAL_INDEX
/*
* If oldPred != NULL, this is an EXTEND INDEX command, so skip
* this tuple if it was already in the existing partial index
@@ -191,9 +196,7 @@ hashbuild(PG_FUNCTION_ARGS)
#ifndef OMIT_PARTIAL_INDEX
if (pred != NULL || oldPred != NULL)
{
ExecDropTupleTable(tupleTable, true);
}
#endif /* OMIT_PARTIAL_INDEX */
FreeExprContext(econtext);
@@ -241,12 +244,14 @@ hashbuild(PG_FUNCTION_ARGS)
Datum
hashinsert(PG_FUNCTION_ARGS)
{
Relation rel = (Relation) PG_GETARG_POINTER(0);
Datum *datum = (Datum *) PG_GETARG_POINTER(1);
char *nulls = (char *) PG_GETARG_POINTER(2);
ItemPointer ht_ctid = (ItemPointer) PG_GETARG_POINTER(3);
Relation rel = (Relation) PG_GETARG_POINTER(0);
Datum *datum = (Datum *) PG_GETARG_POINTER(1);
char *nulls = (char *) PG_GETARG_POINTER(2);
ItemPointer ht_ctid = (ItemPointer) PG_GETARG_POINTER(3);
#ifdef NOT_USED
Relation heapRel = (Relation) PG_GETARG_POINTER(4);
Relation heapRel = (Relation) PG_GETARG_POINTER(4);
#endif
InsertIndexResult res;
HashItem hitem;
@@ -276,8 +281,8 @@ hashinsert(PG_FUNCTION_ARGS)
Datum
hashgettuple(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ScanDirection dir = (ScanDirection) PG_GETARG_INT32(1);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ScanDirection dir = (ScanDirection) PG_GETARG_INT32(1);
RetrieveIndexResult res;
/*
@@ -326,11 +331,13 @@ hashbeginscan(PG_FUNCTION_ARGS)
Datum
hashrescan(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
#ifdef NOT_USED /* XXX surely it's wrong to ignore this? */
bool fromEnd = PG_GETARG_BOOL(1);
bool fromEnd = PG_GETARG_BOOL(1);
#endif
ScanKey scankey = (ScanKey) PG_GETARG_POINTER(2);
ScanKey scankey = (ScanKey) PG_GETARG_POINTER(2);
ItemPointer iptr;
HashScanOpaque so;
@@ -367,7 +374,7 @@ hashrescan(PG_FUNCTION_ARGS)
Datum
hashendscan(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ItemPointer iptr;
HashScanOpaque so;
@@ -405,7 +412,7 @@ hashendscan(PG_FUNCTION_ARGS)
Datum
hashmarkpos(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ItemPointer iptr;
HashScanOpaque so;
@@ -437,7 +444,7 @@ hashmarkpos(PG_FUNCTION_ARGS)
Datum
hashrestrpos(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ItemPointer iptr;
HashScanOpaque so;
@@ -468,8 +475,8 @@ hashrestrpos(PG_FUNCTION_ARGS)
Datum
hashdelete(PG_FUNCTION_ARGS)
{
Relation rel = (Relation) PG_GETARG_POINTER(0);
ItemPointer tid = (ItemPointer) PG_GETARG_POINTER(1);
Relation rel = (Relation) PG_GETARG_POINTER(0);
ItemPointer tid = (ItemPointer) PG_GETARG_POINTER(1);
/* adjust any active scans that will be affected by this deletion */
_hash_adjscans(rel, tid);
@@ -491,8 +498,8 @@ hash_undo(XLogRecPtr lsn, XLogRecord *record)
{
elog(STOP, "hash_undo: unimplemented");
}
void
hash_desc(char *buf, uint8 xl_info, char* rec)
hash_desc(char *buf, uint8 xl_info, char *rec)
{
}

14
src/backend/access/hash/hashfunc.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/hash/hashfunc.c,v 1.29 2001/01/24 19:42:47 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/hash/hashfunc.c,v 1.30 2001/03/22 03:59:13 momjian Exp $
*
* NOTES
* These functions are stored in pg_amproc. For each operator class
@@ -25,32 +25,32 @@
Datum
hashchar(PG_FUNCTION_ARGS)
{
PG_RETURN_UINT32(~ ((uint32) PG_GETARG_CHAR(0)));
PG_RETURN_UINT32(~((uint32) PG_GETARG_CHAR(0)));
}
Datum
hashint2(PG_FUNCTION_ARGS)
{
PG_RETURN_UINT32(~ ((uint32) PG_GETARG_INT16(0)));
PG_RETURN_UINT32(~((uint32) PG_GETARG_INT16(0)));
}
Datum
hashint4(PG_FUNCTION_ARGS)
{
PG_RETURN_UINT32(~ PG_GETARG_UINT32(0));
PG_RETURN_UINT32(~PG_GETARG_UINT32(0));
}
Datum
hashint8(PG_FUNCTION_ARGS)
{
/* we just use the low 32 bits... */
PG_RETURN_UINT32(~ ((uint32) PG_GETARG_INT64(0)));
PG_RETURN_UINT32(~((uint32) PG_GETARG_INT64(0)));
}
Datum
hashoid(PG_FUNCTION_ARGS)
{
PG_RETURN_UINT32(~ ((uint32) PG_GETARG_OID(0)));
PG_RETURN_UINT32(~((uint32) PG_GETARG_OID(0)));
}
Datum
@@ -93,7 +93,7 @@ hashint2vector(PG_FUNCTION_ARGS)
Datum
hashname(PG_FUNCTION_ARGS)
{
char *key = NameStr(* PG_GETARG_NAME(0));
char *key = NameStr(*PG_GETARG_NAME(0));
return hash_any((char *) key, NAMEDATALEN);
}

384
src/backend/access/heap/heapam.c
View File

@@ -8,14 +8,14 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/heap/heapam.c,v 1.110 2001/01/24 19:42:47 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/heap/heapam.c,v 1.111 2001/03/22 03:59:13 momjian Exp $
*
*
* INTERFACE ROUTINES
* heapgettup - fetch next heap tuple from a scan
* heap_open - open a heap relation by relationId
* heap_openr - open a heap relation by name
* heap_open[r]_nofail - same, but return NULL on failure instead of elog
* heap_open[r]_nofail - same, but return NULL on failure instead of elog
* heap_close - close a heap relation
* heap_beginscan - begin relation scan
* heap_rescan - restart a relation scan
@@ -88,16 +88,16 @@
#include "access/xlogutils.h"
XLogRecPtr log_heap_move(Relation reln, Buffer oldbuf, ItemPointerData from,
Buffer newbuf, HeapTuple newtup);
XLogRecPtr log_heap_clean(Relation reln, Buffer buffer,
char *unused, int unlen);
XLogRecPtr log_heap_move(Relation reln, Buffer oldbuf, ItemPointerData from,
Buffer newbuf, HeapTuple newtup);
XLogRecPtr log_heap_clean(Relation reln, Buffer buffer,
char *unused, int unlen);
/* comments are in heap_update */
static xl_heaptid _locked_tuple_;
static xl_heaptid _locked_tuple_;
static void _heap_unlock_tuple(void *data);
static XLogRecPtr log_heap_update(Relation reln, Buffer oldbuf,
ItemPointerData from, Buffer newbuf, HeapTuple newtup, bool move);
static XLogRecPtr log_heap_update(Relation reln, Buffer oldbuf,
ItemPointerData from, Buffer newbuf, HeapTuple newtup, bool move);
/* ----------------------------------------------------------------
@@ -249,7 +249,7 @@ heapgettup(Relation relation,
OffsetNumber lineoff;
int linesleft;
ItemPointer tid = (tuple->t_data == NULL) ?
(ItemPointer) NULL : &(tuple->t_self);
(ItemPointer) NULL : &(tuple->t_self);
/* ----------------
* increment access statistics
@@ -286,7 +286,7 @@ heapgettup(Relation relation,
if (!ItemPointerIsValid(tid))
Assert(!PointerIsValid(tid));
tuple->t_tableOid = relation->rd_id;
/* ----------------
@@ -538,9 +538,9 @@ fastgetattr(HeapTuple tup, int attnum, TupleDesc tupleDesc,
(
(tupleDesc)->attrs[(attnum) - 1]->attcacheoff >= 0 ?
(
fetchatt((tupleDesc)->attrs[(attnum) - 1],
(char *) (tup)->t_data + (tup)->t_data->t_hoff +
(tupleDesc)->attrs[(attnum) - 1]->attcacheoff)
fetchatt((tupleDesc)->attrs[(attnum) - 1],
(char *) (tup)->t_data + (tup)->t_data->t_hoff +
(tupleDesc)->attrs[(attnum) - 1]->attcacheoff)
)
:
nocachegetattr((tup), (attnum), (tupleDesc), (isnull))
@@ -564,7 +564,8 @@ fastgetattr(HeapTuple tup, int attnum, TupleDesc tupleDesc,
)
);
}
#endif /* defined(DISABLE_COMPLEX_MACRO)*/
#endif /* defined(DISABLE_COMPLEX_MACRO) */
/* ----------------------------------------------------------------
@@ -791,8 +792,8 @@ heap_beginscan(Relation relation,
scan->rs_nkeys = (short) nkeys;
/*
* we do this here instead of in initscan() because heap_rescan
* also calls initscan() and we don't want to allocate memory again
* we do this here instead of in initscan() because heap_rescan also
* calls initscan() and we don't want to allocate memory again
*/
if (nkeys)
scan->rs_key = (ScanKey) palloc(sizeof(ScanKeyData) * nkeys);
@@ -1316,7 +1317,7 @@ heap_get_latest_tid(Relation relation,
Oid
heap_insert(Relation relation, HeapTuple tup)
{
Buffer buffer;
Buffer buffer;
/* increment access statistics */
IncrHeapAccessStat(local_insert);
@@ -1350,7 +1351,7 @@ heap_insert(Relation relation, HeapTuple tup)
* toasted attributes from some other relation, invoke the toaster.
* ----------
*/
if (HeapTupleHasExtended(tup) ||
if (HeapTupleHasExtended(tup) ||
(MAXALIGN(tup->t_len) > TOAST_TUPLE_THRESHOLD))
heap_tuple_toast_attrs(relation, tup, NULL);
#endif
@@ -1364,17 +1365,17 @@ heap_insert(Relation relation, HeapTuple tup)
/* XLOG stuff */
{
xl_heap_insert xlrec;
xl_heap_header xlhdr;
XLogRecPtr recptr;
XLogRecData rdata[3];
Page page = BufferGetPage(buffer);
uint8 info = XLOG_HEAP_INSERT;
xl_heap_insert xlrec;
xl_heap_header xlhdr;
XLogRecPtr recptr;
XLogRecData rdata[3];
Page page = BufferGetPage(buffer);
uint8 info = XLOG_HEAP_INSERT;
xlrec.target.node = relation->rd_node;
xlrec.target.tid = tup->t_self;
rdata[0].buffer = InvalidBuffer;
rdata[0].data = (char*)&xlrec;
rdata[0].data = (char *) &xlrec;
rdata[0].len = SizeOfHeapInsert;
rdata[0].next = &(rdata[1]);
@@ -1383,12 +1384,12 @@ heap_insert(Relation relation, HeapTuple tup)
xlhdr.t_hoff = tup->t_data->t_hoff;
xlhdr.mask = tup->t_data->t_infomask;
rdata[1].buffer = buffer;
rdata[1].data = (char*)&xlhdr;
rdata[1].data = (char *) &xlhdr;
rdata[1].len = SizeOfHeapHeader;
rdata[1].next = &(rdata[2]);
rdata[2].buffer = buffer;
rdata[2].data = (char*) tup->t_data + offsetof(HeapTupleHeaderData, t_bits);
rdata[2].data = (char *) tup->t_data + offsetof(HeapTupleHeaderData, t_bits);
rdata[2].len = tup->t_len - offsetof(HeapTupleHeaderData, t_bits);
rdata[2].next = NULL;
@@ -1411,10 +1412,10 @@ heap_insert(Relation relation, HeapTuple tup)
WriteBuffer(buffer);
/*
* If tuple is cachable, mark it for rollback from the caches
* in case we abort. Note it is OK to do this after WriteBuffer
* releases the buffer, because the "tup" data structure is all
* in local memory, not in the shared buffer.
* If tuple is cachable, mark it for rollback from the caches in case
* we abort. Note it is OK to do this after WriteBuffer releases the
* buffer, because the "tup" data structure is all in local memory,
* not in the shared buffer.
*/
RelationMark4RollbackHeapTuple(relation, tup);
@@ -1513,14 +1514,14 @@ l1:
HEAP_XMAX_INVALID | HEAP_MARKED_FOR_UPDATE);
/* XLOG stuff */
{
xl_heap_delete xlrec;
XLogRecPtr recptr;
XLogRecData rdata[2];
xl_heap_delete xlrec;
XLogRecPtr recptr;
XLogRecData rdata[2];
xlrec.target.node = relation->rd_node;
xlrec.target.tid = tp.t_self;
rdata[0].buffer = InvalidBuffer;
rdata[0].data = (char*)&xlrec;
rdata[0].data = (char *) &xlrec;
rdata[0].len = SizeOfHeapDelete;
rdata[0].next = &(rdata[1]);
@@ -1551,9 +1552,10 @@ l1:
#endif
/*
* Mark tuple for invalidation from system caches at next command boundary.
* We have to do this before WriteBuffer because we need to look at the
* contents of the tuple, so we need to hold our refcount on the buffer.
* Mark tuple for invalidation from system caches at next command
* boundary. We have to do this before WriteBuffer because we need to
* look at the contents of the tuple, so we need to hold our refcount
* on the buffer.
*/
RelationInvalidateHeapTuple(relation, &tp);
@@ -1567,7 +1569,7 @@ l1:
*
* This routine may be used to delete a tuple when concurrent updates of
* the target tuple are not expected (for example, because we have a lock
* on the relation associated with the tuple). Any failure is reported
* on the relation associated with the tuple). Any failure is reported
* via elog().
*/
void
@@ -1636,6 +1638,7 @@ heap_update(Relation relation, ItemPointer otid, HeapTuple newtup,
oldtup.t_data = (HeapTupleHeader) PageGetItem(dp, lp);
oldtup.t_len = ItemIdGetLength(lp);
oldtup.t_self = *otid;
/*
* Note: beyond this point, use oldtup not otid to refer to old tuple.
* otid may very well point at newtup->t_self, which we will overwrite
@@ -1701,23 +1704,24 @@ l2:
/*
* If the toaster needs to be activated, OR if the new tuple will not
* fit on the same page as the old, then we need to release the context
* lock (but not the pin!) on the old tuple's buffer while we are off
* doing TOAST and/or table-file-extension work. We must mark the old
* tuple to show that it's already being updated, else other processes
* may try to update it themselves. To avoid second XLOG log record,
* we use xact mgr hook to unlock old tuple without reading log if xact
* will abort before update is logged. In the event of crash prio logging,
* TQUAL routines will see HEAP_XMAX_UNLOGGED flag...
* fit on the same page as the old, then we need to release the
* context lock (but not the pin!) on the old tuple's buffer while we
* are off doing TOAST and/or table-file-extension work. We must mark
* the old tuple to show that it's already being updated, else other
* processes may try to update it themselves. To avoid second XLOG log
* record, we use xact mgr hook to unlock old tuple without reading
* log if xact will abort before update is logged. In the event of
* crash prio logging, TQUAL routines will see HEAP_XMAX_UNLOGGED
* flag...
*
* NOTE: this trick is useless currently but saved for future
* when we'll implement UNDO and will re-use transaction IDs
* after postmaster startup.
* NOTE: this trick is useless currently but saved for future when we'll
* implement UNDO and will re-use transaction IDs after postmaster
* startup.
*
* We need to invoke the toaster if there are already any toasted values
* present, or if the new tuple is over-threshold.
*/
need_toast = (HeapTupleHasExtended(&oldtup) ||
need_toast = (HeapTupleHasExtended(&oldtup) ||
HeapTupleHasExtended(newtup) ||
(MAXALIGN(newtup->t_len) > TOAST_TUPLE_THRESHOLD));
@@ -1726,7 +1730,7 @@ l2:
{
_locked_tuple_.node = relation->rd_node;
_locked_tuple_.tid = oldtup.t_self;
XactPushRollback(_heap_unlock_tuple, (void*) &_locked_tuple_);
XactPushRollback(_heap_unlock_tuple, (void *) &_locked_tuple_);
TransactionIdStore(GetCurrentTransactionId(),
&(oldtup.t_data->t_xmax));
@@ -1762,7 +1766,7 @@ l2:
/* NO ELOG(ERROR) from here till changes are logged */
START_CRIT_SECTION();
RelationPutHeapTuple(relation, newbuf, newtup); /* insert new tuple */
RelationPutHeapTuple(relation, newbuf, newtup); /* insert new tuple */
if (already_marked)
{
@@ -1784,7 +1788,7 @@ l2:
/* XLOG stuff */
{
XLogRecPtr recptr = log_heap_update(relation, buffer, oldtup.t_self,
XLogRecPtr recptr = log_heap_update(relation, buffer, oldtup.t_self,
newbuf, newtup, false);
if (newbuf != buffer)
@@ -1814,10 +1818,10 @@ l2:
WriteBuffer(buffer);
/*
* If new tuple is cachable, mark it for rollback from the caches
* in case we abort. Note it is OK to do this after WriteBuffer
* releases the buffer, because the "newtup" data structure is all
* in local memory, not in the shared buffer.
* If new tuple is cachable, mark it for rollback from the caches in
* case we abort. Note it is OK to do this after WriteBuffer releases
* the buffer, because the "newtup" data structure is all in local
* memory, not in the shared buffer.
*/
RelationMark4RollbackHeapTuple(relation, newtup);
@@ -1829,7 +1833,7 @@ l2:
*
* This routine may be used to update a tuple when concurrent updates of
* the target tuple are not expected (for example, because we have a lock
* on the relation associated with the tuple). Any failure is reported
* on the relation associated with the tuple). Any failure is reported
* via elog().
*/
void
@@ -2129,14 +2133,14 @@ heap_restrpos(HeapScanDesc scan)
XLogRecPtr
log_heap_clean(Relation reln, Buffer buffer, char *unused, int unlen)
{
xl_heap_clean xlrec;
XLogRecPtr recptr;
XLogRecData rdata[3];
xl_heap_clean xlrec;
XLogRecPtr recptr;
XLogRecData rdata[3];
xlrec.node = reln->rd_node;
xlrec.block = BufferGetBlockNumber(buffer);
rdata[0].buffer = InvalidBuffer;
rdata[0].data = (char*)&xlrec;
rdata[0].data = (char *) &xlrec;
rdata[0].len = SizeOfHeapClean;
rdata[0].next = &(rdata[1]);
@@ -2157,27 +2161,27 @@ log_heap_clean(Relation reln, Buffer buffer, char *unused, int unlen)
recptr = XLogInsert(RM_HEAP_ID, XLOG_HEAP_CLEAN, rdata);
return(recptr);
return (recptr);
}
static XLogRecPtr
log_heap_update(Relation reln, Buffer oldbuf, ItemPointerData from,
log_heap_update(Relation reln, Buffer oldbuf, ItemPointerData from,
Buffer newbuf, HeapTuple newtup, bool move)
{
char tbuf[MAXALIGN(sizeof(xl_heap_header)) + 2 * sizeof(TransactionId)];
xl_heap_update xlrec;
xl_heap_header *xlhdr = (xl_heap_header*) tbuf;
int hsize = SizeOfHeapHeader;
XLogRecPtr recptr;
XLogRecData rdata[4];
Page page = BufferGetPage(newbuf);
uint8 info = (move) ? XLOG_HEAP_MOVE : XLOG_HEAP_UPDATE;
char tbuf[MAXALIGN(sizeof(xl_heap_header)) + 2 * sizeof(TransactionId)];
xl_heap_update xlrec;
xl_heap_header *xlhdr = (xl_heap_header *) tbuf;
int hsize = SizeOfHeapHeader;
XLogRecPtr recptr;
XLogRecData rdata[4];
Page page = BufferGetPage(newbuf);
uint8 info = (move) ? XLOG_HEAP_MOVE : XLOG_HEAP_UPDATE;
xlrec.target.node = reln->rd_node;
xlrec.target.tid = from;
xlrec.newtid = newtup->t_self;
rdata[0].buffer = InvalidBuffer;
rdata[0].data = (char*)&xlrec;
rdata[0].data = (char *) &xlrec;
rdata[0].len = SizeOfHeapUpdate;
rdata[0].next = &(rdata[1]);
@@ -2190,9 +2194,9 @@ log_heap_update(Relation reln, Buffer oldbuf, ItemPointerData from,
xlhdr->t_natts = newtup->t_data->t_natts;
xlhdr->t_hoff = newtup->t_data->t_hoff;
xlhdr->mask = newtup->t_data->t_infomask;
if (move) /* remember xmin & xmax */
if (move) /* remember xmin & xmax */
{
TransactionId xmax;
TransactionId xmax;
if (newtup->t_data->t_infomask & HEAP_XMAX_INVALID ||
newtup->t_data->t_infomask & HEAP_MARKED_FOR_UPDATE)
@@ -2200,17 +2204,17 @@ log_heap_update(Relation reln, Buffer oldbuf, ItemPointerData from,
else
xmax = newtup->t_data->t_xmax;
memcpy(tbuf + hsize, &xmax, sizeof(TransactionId));
memcpy(tbuf + hsize + sizeof(TransactionId),
&(newtup->t_data->t_xmin), sizeof(TransactionId));
memcpy(tbuf + hsize + sizeof(TransactionId),
&(newtup->t_data->t_xmin), sizeof(TransactionId));
hsize += (2 * sizeof(TransactionId));
}
rdata[2].buffer = newbuf;
rdata[2].data = (char*)xlhdr;
rdata[2].data = (char *) xlhdr;
rdata[2].len = hsize;
rdata[2].next = &(rdata[3]);
rdata[3].buffer = newbuf;
rdata[3].data = (char*) newtup->t_data + offsetof(HeapTupleHeaderData, t_bits);
rdata[3].data = (char *) newtup->t_data + offsetof(HeapTupleHeaderData, t_bits);
rdata[3].len = newtup->t_len - offsetof(HeapTupleHeaderData, t_bits);
rdata[3].next = NULL;
@@ -2224,23 +2228,23 @@ log_heap_update(Relation reln, Buffer oldbuf, ItemPointerData from,
recptr = XLogInsert(RM_HEAP_ID, info, rdata);
return(recptr);
return (recptr);
}
XLogRecPtr
log_heap_move(Relation reln, Buffer oldbuf, ItemPointerData from,
Buffer newbuf, HeapTuple newtup)
log_heap_move(Relation reln, Buffer oldbuf, ItemPointerData from,
Buffer newbuf, HeapTuple newtup)
{
return(log_heap_update(reln, oldbuf, from, newbuf, newtup, true));
return (log_heap_update(reln, oldbuf, from, newbuf, newtup, true));
}
static void
heap_xlog_clean(bool redo, XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_clean *xlrec = (xl_heap_clean*) XLogRecGetData(record);
Relation reln;
Buffer buffer;
Page page;
xl_heap_clean *xlrec = (xl_heap_clean *) XLogRecGetData(record);
Relation reln;
Buffer buffer;
Page page;
if (!redo || (record->xl_info & XLR_BKP_BLOCK_1))
return;
@@ -2266,15 +2270,15 @@ heap_xlog_clean(bool redo, XLogRecPtr lsn, XLogRecord *record)
if (record->xl_len > SizeOfHeapClean)
{
char unbuf[BLCKSZ];
OffsetNumber *unused = (OffsetNumber*)unbuf;
char *unend;
ItemId lp;
char unbuf[BLCKSZ];
OffsetNumber *unused = (OffsetNumber *) unbuf;
char *unend;
ItemId lp;
memcpy(unbuf, (char*)xlrec + SizeOfHeapClean, record->xl_len - SizeOfHeapClean);
memcpy(unbuf, (char *) xlrec + SizeOfHeapClean, record->xl_len - SizeOfHeapClean);
unend = unbuf + (record->xl_len - SizeOfHeapClean);
while((char*)unused < unend)
while ((char *) unused < unend)
{
lp = ((PageHeader) page)->pd_linp + *unused;
lp->lp_flags &= ~LP_USED;
@@ -2289,13 +2293,13 @@ heap_xlog_clean(bool redo, XLogRecPtr lsn, XLogRecord *record)
static void
heap_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_delete *xlrec = (xl_heap_delete*) XLogRecGetData(record);
Relation reln = XLogOpenRelation(redo, RM_HEAP_ID, xlrec->target.node);
Buffer buffer;
Page page;
OffsetNumber offnum;
ItemId lp = NULL;
HeapTupleHeader htup;
xl_heap_delete *xlrec = (xl_heap_delete *) XLogRecGetData(record);
Relation reln = XLogOpenRelation(redo, RM_HEAP_ID, xlrec->target.node);
Buffer buffer;
Page page;
OffsetNumber offnum;
ItemId lp = NULL;
HeapTupleHeader htup;
if (redo && (record->xl_info & XLR_BKP_BLOCK_1))
return;
@@ -2303,7 +2307,7 @@ heap_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
if (!RelationIsValid(reln))
return;
buffer = XLogReadBuffer(false, reln,
buffer = XLogReadBuffer(false, reln,
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
if (!BufferIsValid(buffer))
elog(STOP, "heap_delete_%sdo: no block", (redo) ? "re" : "un");
@@ -2320,7 +2324,8 @@ heap_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
return;
}
}
else if (XLByteLT(PageGetLSN(page), lsn)) /* changes are not applied ?! */
else if (XLByteLT(PageGetLSN(page), lsn)) /* changes are not applied
* ?! */
elog(STOP, "heap_delete_undo: bad page LSN");
offnum = ItemPointerGetOffsetNumber(&(xlrec->target.tid));
@@ -2337,7 +2342,7 @@ heap_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
htup->t_xmax = record->xl_xid;
htup->t_cmax = FirstCommandId;
htup->t_infomask &= ~(HEAP_XMAX_COMMITTED |
HEAP_XMAX_INVALID | HEAP_MARKED_FOR_UPDATE);
HEAP_XMAX_INVALID | HEAP_MARKED_FOR_UPDATE);
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID);
UnlockAndWriteBuffer(buffer);
@@ -2350,12 +2355,12 @@ heap_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
static void
heap_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_insert *xlrec = (xl_heap_insert*) XLogRecGetData(record);
Relation reln = XLogOpenRelation(redo, RM_HEAP_ID, xlrec->target.node);
Buffer buffer;
Page page;
OffsetNumber offnum;
HeapTupleHeader htup;
xl_heap_insert *xlrec = (xl_heap_insert *) XLogRecGetData(record);
Relation reln = XLogOpenRelation(redo, RM_HEAP_ID, xlrec->target.node);
Buffer buffer;
Page page;
OffsetNumber offnum;
HeapTupleHeader htup;
if (redo && (record->xl_info & XLR_BKP_BLOCK_1))
return;
@@ -2363,7 +2368,7 @@ heap_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
if (!RelationIsValid(reln))
return;
buffer = XLogReadBuffer((redo) ? true : false, reln,
buffer = XLogReadBuffer((redo) ? true : false, reln,
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
if (!BufferIsValid(buffer))
return;
@@ -2375,9 +2380,9 @@ heap_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
if (redo)
{
char tbuf[MaxTupleSize];
xl_heap_header xlhdr;
uint32 newlen;
char tbuf[MaxTupleSize];
xl_heap_header xlhdr;
uint32 newlen;
if (record->xl_info & XLOG_HEAP_INIT_PAGE)
{
@@ -2396,9 +2401,9 @@ heap_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
elog(STOP, "heap_insert_redo: invalid max offset number");
newlen = record->xl_len - SizeOfHeapInsert - SizeOfHeapHeader;
memcpy((char*)&xlhdr, (char*)xlrec + SizeOfHeapInsert, SizeOfHeapHeader);
memcpy(tbuf + offsetof(HeapTupleHeaderData, t_bits),
(char*)xlrec + SizeOfHeapInsert + SizeOfHeapHeader, newlen);
memcpy((char *) &xlhdr, (char *) xlrec + SizeOfHeapInsert, SizeOfHeapHeader);
memcpy(tbuf + offsetof(HeapTupleHeaderData, t_bits),
(char *) xlrec + SizeOfHeapInsert + SizeOfHeapHeader, newlen);
newlen += offsetof(HeapTupleHeaderData, t_bits);
htup = (HeapTupleHeader) tbuf;
htup->t_oid = xlhdr.t_oid;
@@ -2408,19 +2413,20 @@ heap_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
htup->t_cmin = FirstCommandId;
htup->t_xmax = htup->t_cmax = 0;
htup->t_infomask = HEAP_XMAX_INVALID | xlhdr.mask;
offnum = PageAddItem(page, (Item)htup, newlen, offnum,
LP_USED | OverwritePageMode);
offnum = PageAddItem(page, (Item) htup, newlen, offnum,
LP_USED | OverwritePageMode);
if (offnum == InvalidOffsetNumber)
elog(STOP, "heap_insert_redo: failed to add tuple");
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID); /* prev sui */
PageSetSUI(page, ThisStartUpID); /* prev sui */
UnlockAndWriteBuffer(buffer);
return;
}
/* undo insert */
if (XLByteLT(PageGetLSN(page), lsn)) /* changes are not applied ?! */
if (XLByteLT(PageGetLSN(page), lsn)) /* changes are not applied
* ?! */
elog(STOP, "heap_insert_undo: bad page LSN");
elog(STOP, "heap_insert_undo: unimplemented");
@@ -2432,16 +2438,16 @@ heap_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
static void
heap_xlog_update(bool redo, XLogRecPtr lsn, XLogRecord *record, bool move)
{
xl_heap_update *xlrec = (xl_heap_update*) XLogRecGetData(record);
Relation reln = XLogOpenRelation(redo, RM_HEAP_ID, xlrec->target.node);
Buffer buffer;
bool samepage =
(ItemPointerGetBlockNumber(&(xlrec->newtid)) ==
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
Page page;
OffsetNumber offnum;
ItemId lp = NULL;
HeapTupleHeader htup;
xl_heap_update *xlrec = (xl_heap_update *) XLogRecGetData(record);
Relation reln = XLogOpenRelation(redo, RM_HEAP_ID, xlrec->target.node);
Buffer buffer;
bool samepage =
(ItemPointerGetBlockNumber(&(xlrec->newtid)) ==
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
Page page;
OffsetNumber offnum;
ItemId lp = NULL;
HeapTupleHeader htup;
if (!RelationIsValid(reln))
return;
@@ -2451,7 +2457,7 @@ heap_xlog_update(bool redo, XLogRecPtr lsn, XLogRecord *record, bool move)
/* Deal with old tuple version */
buffer = XLogReadBuffer(false, reln,
buffer = XLogReadBuffer(false, reln,
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
if (!BufferIsValid(buffer))
elog(STOP, "heap_update_%sdo: no block", (redo) ? "re" : "un");
@@ -2470,7 +2476,8 @@ heap_xlog_update(bool redo, XLogRecPtr lsn, XLogRecord *record, bool move)
goto newt;
}
}
else if (XLByteLT(PageGetLSN(page), lsn)) /* changes are not applied ?! */
else if (XLByteLT(PageGetLSN(page), lsn)) /* changes are not applied
* ?! */
elog(STOP, "heap_update_undo: bad old tuple page LSN");
offnum = ItemPointerGetOffsetNumber(&(xlrec->target.tid));
@@ -2487,7 +2494,7 @@ heap_xlog_update(bool redo, XLogRecPtr lsn, XLogRecord *record, bool move)
if (move)
{
TransactionIdStore(record->xl_xid, (TransactionId *) &(htup->t_cmin));
htup->t_infomask &=
htup->t_infomask &=
~(HEAP_XMIN_COMMITTED | HEAP_XMIN_INVALID | HEAP_MOVED_IN);
htup->t_infomask |= HEAP_MOVED_OFF;
}
@@ -2496,7 +2503,7 @@ heap_xlog_update(bool redo, XLogRecPtr lsn, XLogRecord *record, bool move)
htup->t_xmax = record->xl_xid;
htup->t_cmax = FirstCommandId;
htup->t_infomask &= ~(HEAP_XMAX_COMMITTED |
HEAP_XMAX_INVALID | HEAP_MARKED_FOR_UPDATE);
HEAP_XMAX_INVALID | HEAP_MARKED_FOR_UPDATE);
}
if (samepage)
goto newsame;
@@ -2514,11 +2521,11 @@ newt:;
if (redo &&
((record->xl_info & XLR_BKP_BLOCK_2) ||
((record->xl_info & XLR_BKP_BLOCK_1) && samepage)))
((record->xl_info & XLR_BKP_BLOCK_1) && samepage)))
return;
buffer = XLogReadBuffer((redo) ? true : false, reln,
ItemPointerGetBlockNumber(&(xlrec->newtid)));
buffer = XLogReadBuffer((redo) ? true : false, reln,
ItemPointerGetBlockNumber(&(xlrec->newtid)));
if (!BufferIsValid(buffer))
return;
@@ -2531,10 +2538,10 @@ newsame:;
if (redo)
{
char tbuf[MaxTupleSize];
xl_heap_header xlhdr;
int hsize;
uint32 newlen;
char tbuf[MaxTupleSize];
xl_heap_header xlhdr;
int hsize;
uint32 newlen;
if (record->xl_info & XLOG_HEAP_INIT_PAGE)
{
@@ -2557,9 +2564,9 @@ newsame:;
hsize += (2 * sizeof(TransactionId));
newlen = record->xl_len - hsize;
memcpy((char*)&xlhdr, (char*)xlrec + SizeOfHeapUpdate, SizeOfHeapHeader);
memcpy(tbuf + offsetof(HeapTupleHeaderData, t_bits),
(char*)xlrec + hsize, newlen);
memcpy((char *) &xlhdr, (char *) xlrec + SizeOfHeapUpdate, SizeOfHeapHeader);
memcpy(tbuf + offsetof(HeapTupleHeaderData, t_bits),
(char *) xlrec + hsize, newlen);
newlen += offsetof(HeapTupleHeaderData, t_bits);
htup = (HeapTupleHeader) tbuf;
htup->t_oid = xlhdr.t_oid;
@@ -2568,13 +2575,13 @@ newsame:;
if (move)
{
hsize = SizeOfHeapUpdate + SizeOfHeapHeader;
memcpy(&(htup->t_xmax), (char*)xlrec + hsize, sizeof(TransactionId));
memcpy(&(htup->t_xmin),
(char*)xlrec + hsize + sizeof(TransactionId), sizeof(TransactionId));
memcpy(&(htup->t_xmax), (char *) xlrec + hsize, sizeof(TransactionId));
memcpy(&(htup->t_xmin),
(char *) xlrec + hsize + sizeof(TransactionId), sizeof(TransactionId));
TransactionIdStore(record->xl_xid, (TransactionId *) &(htup->t_cmin));
htup->t_infomask = xlhdr.mask;
htup->t_infomask &= ~(HEAP_XMIN_COMMITTED |
HEAP_XMIN_INVALID | HEAP_MOVED_OFF);
htup->t_infomask &= ~(HEAP_XMIN_COMMITTED |
HEAP_XMIN_INVALID | HEAP_MOVED_OFF);
htup->t_infomask |= HEAP_MOVED_IN;
}
else
@@ -2584,19 +2591,20 @@ newsame:;
htup->t_xmax = htup->t_cmax = 0;
htup->t_infomask = HEAP_XMAX_INVALID | xlhdr.mask;
}
offnum = PageAddItem(page, (Item)htup, newlen, offnum,
LP_USED | OverwritePageMode);
offnum = PageAddItem(page, (Item) htup, newlen, offnum,
LP_USED | OverwritePageMode);
if (offnum == InvalidOffsetNumber)
elog(STOP, "heap_update_redo: failed to add tuple");
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID); /* prev sui */
PageSetSUI(page, ThisStartUpID); /* prev sui */
UnlockAndWriteBuffer(buffer);
return;
}
/* undo */
if (XLByteLT(PageGetLSN(page), lsn)) /* changes are not applied ?! */
if (XLByteLT(PageGetLSN(page), lsn)) /* changes are not applied
* ?! */
elog(STOP, "heap_update_undo: bad new tuple page LSN");
elog(STOP, "heap_update_undo: unimplemented");
@@ -2606,19 +2614,19 @@ newsame:;
static void
_heap_unlock_tuple(void *data)
{
xl_heaptid *xltid = (xl_heaptid*) data;
Relation reln = XLogOpenRelation(false, RM_HEAP_ID, xltid->node);
Buffer buffer;
Page page;
OffsetNumber offnum;
ItemId lp;
HeapTupleHeader htup;
xl_heaptid *xltid = (xl_heaptid *) data;
Relation reln = XLogOpenRelation(false, RM_HEAP_ID, xltid->node);
Buffer buffer;
Page page;
OffsetNumber offnum;
ItemId lp;
HeapTupleHeader htup;
if (!RelationIsValid(reln))
elog(STOP, "_heap_unlock_tuple: can't open relation");
buffer = XLogReadBuffer(false, reln,
ItemPointerGetBlockNumber(&(xltid->tid)));
buffer = XLogReadBuffer(false, reln,
ItemPointerGetBlockNumber(&(xltid->tid)));
if (!BufferIsValid(buffer))
elog(STOP, "_heap_unlock_tuple: can't read buffer");
@@ -2636,8 +2644,8 @@ _heap_unlock_tuple(void *data)
htup = (HeapTupleHeader) PageGetItem(page, lp);
if (htup->t_xmax != GetCurrentTransactionId() ||
htup->t_cmax != GetCurrentCommandId())
if (htup->t_xmax != GetCurrentTransactionId() ||
htup->t_cmax != GetCurrentCommandId())
elog(STOP, "_heap_unlock_tuple: invalid xmax/cmax in rollback");
htup->t_infomask &= ~HEAP_XMAX_UNLOGGED;
htup->t_infomask |= HEAP_XMAX_INVALID;
@@ -2645,9 +2653,10 @@ _heap_unlock_tuple(void *data)
return;
}
void heap_redo(XLogRecPtr lsn, XLogRecord *record)
void
heap_redo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
uint8 info = record->xl_info & ~XLR_INFO_MASK;
info &= XLOG_HEAP_OPMASK;
if (info == XLOG_HEAP_INSERT)
@@ -2664,9 +2673,10 @@ void heap_redo(XLogRecPtr lsn, XLogRecord *record)
elog(STOP, "heap_redo: unknown op code %u", info);
}
void heap_undo(XLogRecPtr lsn, XLogRecord *record)
void
heap_undo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
uint8 info = record->xl_info & ~XLR_INFO_MASK;
info &= XLOG_HEAP_OPMASK;
if (info == XLOG_HEAP_INSERT)
@@ -2687,46 +2697,50 @@ static void
out_target(char *buf, xl_heaptid *target)
{
sprintf(buf + strlen(buf), "node %u/%u; tid %u/%u",
target->node.tblNode, target->node.relNode,
ItemPointerGetBlockNumber(&(target->tid)),
ItemPointerGetOffsetNumber(&(target->tid)));
target->node.tblNode, target->node.relNode,
ItemPointerGetBlockNumber(&(target->tid)),
ItemPointerGetOffsetNumber(&(target->tid)));
}
void
heap_desc(char *buf, uint8 xl_info, char* rec)
heap_desc(char *buf, uint8 xl_info, char *rec)
{
uint8 info = xl_info & ~XLR_INFO_MASK;
uint8 info = xl_info & ~XLR_INFO_MASK;
info &= XLOG_HEAP_OPMASK;
if (info == XLOG_HEAP_INSERT)
{
xl_heap_insert *xlrec = (xl_heap_insert*) rec;
xl_heap_insert *xlrec = (xl_heap_insert *) rec;
strcat(buf, "insert: ");
out_target(buf, &(xlrec->target));
}
else if (info == XLOG_HEAP_DELETE)
{
xl_heap_delete *xlrec = (xl_heap_delete*) rec;
xl_heap_delete *xlrec = (xl_heap_delete *) rec;
strcat(buf, "delete: ");
out_target(buf, &(xlrec->target));
}
else if (info == XLOG_HEAP_UPDATE || info == XLOG_HEAP_MOVE)
{
xl_heap_update *xlrec = (xl_heap_update*) rec;
xl_heap_update *xlrec = (xl_heap_update *) rec;
if (info == XLOG_HEAP_UPDATE)
strcat(buf, "update: ");
else
strcat(buf, "move: ");
out_target(buf, &(xlrec->target));
sprintf(buf + strlen(buf), "; new %u/%u",
ItemPointerGetBlockNumber(&(xlrec->newtid)),
ItemPointerGetOffsetNumber(&(xlrec->newtid)));
ItemPointerGetBlockNumber(&(xlrec->newtid)),
ItemPointerGetOffsetNumber(&(xlrec->newtid)));
}
else if (info == XLOG_HEAP_CLEAN)
{
xl_heap_clean *xlrec = (xl_heap_clean*) rec;
xl_heap_clean *xlrec = (xl_heap_clean *) rec;
sprintf(buf + strlen(buf), "clean: node %u/%u; blk %u",
xlrec->node.tblNode, xlrec->node.relNode, xlrec->block);
xlrec->node.tblNode, xlrec->node.relNode, xlrec->block);
}
else
strcat(buf, "UNKNOWN");

12
src/backend/access/heap/hio.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Id: hio.c,v 1.35 2001/01/24 19:42:48 momjian Exp $
* $Id: hio.c,v 1.36 2001/03/22 03:59:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -19,7 +19,7 @@
#include "access/hio.h"
/*
* RelationPutHeapTuple - place tuple at specified page
* RelationPutHeapTuple - place tuple at specified page
*
* !!! ELOG(ERROR) IS DISALLOWED HERE !!!
*
@@ -69,7 +69,7 @@ RelationPutHeapTuple(Relation relation,
*
* Returns (locked) buffer with free space >= given len.
*
* Note that we use LockPage to lock relation for extension. We can
* Note that we use LockPage to lock relation for extension. We can
* do this as long as in all other places we use page-level locking
* for indices only. Alternatively, we could define pseudo-table as
* we do for transactions with XactLockTable.
@@ -92,7 +92,7 @@ RelationGetBufferForTuple(Relation relation, Size len)
*/
if (len > MaxTupleSize)
elog(ERROR, "Tuple is too big: size %lu, max size %ld",
(unsigned long)len, MaxTupleSize);
(unsigned long) len, MaxTupleSize);
if (!relation->rd_myxactonly)
LockPage(relation, 0, ExclusiveLock);
@@ -140,13 +140,13 @@ RelationGetBufferForTuple(Relation relation, Size len)
{
/* We should not get here given the test at the top */
elog(STOP, "Tuple is too big: size %lu",
(unsigned long)len);
(unsigned long) len);
}
}
if (!relation->rd_myxactonly)
UnlockPage(relation, 0, ExclusiveLock);
return(buffer);
return (buffer);
}

462
src/backend/access/heap/tuptoaster.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/heap/tuptoaster.c,v 1.17 2001/02/15 20:57:01 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/heap/tuptoaster.c,v 1.18 2001/03/22 03:59:13 momjian Exp $
*
*
* INTERFACE ROUTINES
@@ -41,12 +41,12 @@
#undef TOAST_DEBUG
static void toast_delete(Relation rel, HeapTuple oldtup);
static void toast_delete_datum(Relation rel, Datum value);
static void toast_insert_or_update(Relation rel, HeapTuple newtup,
HeapTuple oldtup);
static Datum toast_save_datum(Relation rel, Oid mainoid, int16 attno, Datum value);
static varattrib *toast_fetch_datum(varattrib *attr);
static void toast_delete(Relation rel, HeapTuple oldtup);
static void toast_delete_datum(Relation rel, Datum value);
static void toast_insert_or_update(Relation rel, HeapTuple newtup,
HeapTuple oldtup);
static Datum toast_save_datum(Relation rel, Oid mainoid, int16 attno, Datum value);
static varattrib *toast_fetch_datum(varattrib *attr);
/* ----------
@@ -70,14 +70,14 @@ heap_tuple_toast_attrs(Relation rel, HeapTuple newtup, HeapTuple oldtup)
/* ----------
* heap_tuple_fetch_attr -
*
* Public entry point to get back a toasted value
* Public entry point to get back a toasted value
* external storage (possibly still in compressed format).
* ----------
*/
varattrib *
varattrib *
heap_tuple_fetch_attr(varattrib *attr)
{
varattrib *result;
varattrib *result;
if (VARATT_IS_EXTERNAL(attr))
{
@@ -94,7 +94,7 @@ heap_tuple_fetch_attr(varattrib *attr)
* ----------
*/
result = attr;
}
}
return result;
}
@@ -107,10 +107,10 @@ heap_tuple_fetch_attr(varattrib *attr)
* or external storage.
* ----------
*/
varattrib *
varattrib *
heap_tuple_untoast_attr(varattrib *attr)
{
varattrib *result;
varattrib *result;
if (VARATT_IS_EXTERNAL(attr))
{
@@ -121,14 +121,14 @@ heap_tuple_untoast_attr(varattrib *attr)
* Fetch it from the toast heap and decompress.
* ----------
*/
varattrib *tmp;
varattrib *tmp;
tmp = toast_fetch_datum(attr);
result = (varattrib *)palloc(attr->va_content.va_external.va_rawsize
+ VARHDRSZ);
result = (varattrib *) palloc(attr->va_content.va_external.va_rawsize
+ VARHDRSZ);
VARATT_SIZEP(result) = attr->va_content.va_external.va_rawsize
+ VARHDRSZ;
pglz_decompress((PGLZ_Header *)tmp, VARATT_DATA(result));
+ VARHDRSZ;
pglz_decompress((PGLZ_Header *) tmp, VARATT_DATA(result));
pfree(tmp);
}
@@ -147,11 +147,11 @@ heap_tuple_untoast_attr(varattrib *attr)
* This is a compressed value inside of the main tuple
* ----------
*/
result = (varattrib *)palloc(attr->va_content.va_compressed.va_rawsize
+ VARHDRSZ);
result = (varattrib *) palloc(attr->va_content.va_compressed.va_rawsize
+ VARHDRSZ);
VARATT_SIZEP(result) = attr->va_content.va_compressed.va_rawsize
+ VARHDRSZ;
pglz_decompress((PGLZ_Header *)attr, VARATT_DATA(result));
+ VARHDRSZ;
pglz_decompress((PGLZ_Header *) attr, VARATT_DATA(result));
}
else
/* ----------
@@ -173,21 +173,21 @@ heap_tuple_untoast_attr(varattrib *attr)
static void
toast_delete(Relation rel, HeapTuple oldtup)
{
TupleDesc tupleDesc;
Form_pg_attribute *att;
int numAttrs;
int i;
Datum value;
bool isnull;
TupleDesc tupleDesc;
Form_pg_attribute *att;
int numAttrs;
int i;
Datum value;
bool isnull;
/* ----------
* Get the tuple descriptor, the number of and attribute
* descriptors.
* ----------
*/
tupleDesc = rel->rd_att;
numAttrs = tupleDesc->natts;
att = tupleDesc->attrs;
tupleDesc = rel->rd_att;
numAttrs = tupleDesc->natts;
att = tupleDesc->attrs;
/* ----------
* Check for external stored attributes and delete them
@@ -216,35 +216,35 @@ toast_delete(Relation rel, HeapTuple oldtup)
static void
toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
{
TupleDesc tupleDesc;
Form_pg_attribute *att;
int numAttrs;
int i;
bool old_isnull;
bool new_isnull;
TupleDesc tupleDesc;
Form_pg_attribute *att;
int numAttrs;
int i;
bool old_isnull;
bool new_isnull;
bool need_change = false;
bool need_free = false;
bool need_delold = false;
bool has_nulls = false;
bool need_change = false;
bool need_free = false;
bool need_delold = false;
bool has_nulls = false;
Size maxDataLen;
Size maxDataLen;
char toast_action[MaxHeapAttributeNumber];
char toast_nulls[MaxHeapAttributeNumber];
Datum toast_values[MaxHeapAttributeNumber];
int32 toast_sizes[MaxHeapAttributeNumber];
bool toast_free[MaxHeapAttributeNumber];
bool toast_delold[MaxHeapAttributeNumber];
char toast_action[MaxHeapAttributeNumber];
char toast_nulls[MaxHeapAttributeNumber];
Datum toast_values[MaxHeapAttributeNumber];
int32 toast_sizes[MaxHeapAttributeNumber];
bool toast_free[MaxHeapAttributeNumber];
bool toast_delold[MaxHeapAttributeNumber];
/* ----------
* Get the tuple descriptor, the number of and attribute
* descriptors and the location of the tuple values.
* ----------
*/
tupleDesc = rel->rd_att;
numAttrs = tupleDesc->natts;
att = tupleDesc->attrs;
tupleDesc = rel->rd_att;
numAttrs = tupleDesc->natts;
att = tupleDesc->attrs;
/* ----------
* Then collect information about the values given
@@ -255,14 +255,14 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* 'x' incompressible, but OK to move off
* ----------
*/
memset(toast_action, ' ', numAttrs * sizeof(char));
memset(toast_nulls, ' ', numAttrs * sizeof(char));
memset(toast_free, 0, numAttrs * sizeof(bool));
memset(toast_delold, 0, numAttrs * sizeof(bool));
memset(toast_action, ' ', numAttrs * sizeof(char));
memset(toast_nulls, ' ', numAttrs * sizeof(char));
memset(toast_free, 0, numAttrs * sizeof(bool));
memset(toast_delold, 0, numAttrs * sizeof(bool));
for (i = 0; i < numAttrs; i++)
{
varattrib *old_value;
varattrib *new_value;
varattrib *old_value;
varattrib *new_value;
if (oldtup != NULL)
{
@@ -270,25 +270,25 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* For UPDATE get the old and new values of this attribute
* ----------
*/
old_value = (varattrib *)DatumGetPointer(
heap_getattr(oldtup, i + 1, tupleDesc, &old_isnull));
toast_values[i] =
heap_getattr(newtup, i + 1, tupleDesc, &new_isnull);
new_value = (varattrib *)DatumGetPointer(toast_values[i]);
old_value = (varattrib *) DatumGetPointer(
heap_getattr(oldtup, i + 1, tupleDesc, &old_isnull));
toast_values[i] =
heap_getattr(newtup, i + 1, tupleDesc, &new_isnull);
new_value = (varattrib *) DatumGetPointer(toast_values[i]);
/* ----------
* If the old value is an external stored one, check if it
* has changed so we have to delete it later.
* ----------
*/
if (!old_isnull && att[i]->attlen == -1 &&
VARATT_IS_EXTERNAL(old_value))
if (!old_isnull && att[i]->attlen == -1 &&
VARATT_IS_EXTERNAL(old_value))
{
if (new_isnull || !VARATT_IS_EXTERNAL(new_value) ||
old_value->va_content.va_external.va_rowid !=
new_value->va_content.va_external.va_rowid ||
old_value->va_content.va_external.va_attno !=
new_value->va_content.va_external.va_attno)
old_value->va_content.va_external.va_rowid !=
new_value->va_content.va_external.va_rowid ||
old_value->va_content.va_external.va_attno !=
new_value->va_content.va_external.va_attno)
{
/* ----------
* The old external store value isn't needed any
@@ -318,8 +318,8 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* For INSERT simply get the new value
* ----------
*/
toast_values[i] =
heap_getattr(newtup, i + 1, tupleDesc, &new_isnull);
toast_values[i] =
heap_getattr(newtup, i + 1, tupleDesc, &new_isnull);
}
/* ----------
@@ -356,7 +356,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
if (VARATT_IS_EXTERNAL(DatumGetPointer(toast_values[i])))
{
toast_values[i] = PointerGetDatum(heap_tuple_untoast_attr(
(varattrib *)DatumGetPointer(toast_values[i])));
(varattrib *) DatumGetPointer(toast_values[i])));
toast_free[i] = true;
need_change = true;
need_free = true;
@@ -366,7 +366,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* Remember the size of this attribute
* ----------
*/
toast_sizes[i] = VARATT_SIZE(DatumGetPointer(toast_values[i]));
toast_sizes[i] = VARATT_SIZE(DatumGetPointer(toast_values[i]));
}
else
{
@@ -375,7 +375,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* ----------
*/
toast_action[i] = 'p';
toast_sizes[i] = att[i]->attlen;
toast_sizes[i] = att[i]->attlen;
}
}
@@ -384,7 +384,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
*
* 1: Inline compress attributes with attstorage 'x'
* 2: Store attributes with attstorage 'x' or 'e' external
* 3: Inline compress attributes with attstorage 'm'
* 3: Inline compress attributes with attstorage 'm'
* 4: Store attributes with attstorage 'm' external
* ----------
*/
@@ -398,12 +398,12 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* ----------
*/
while (MAXALIGN(ComputeDataSize(tupleDesc, toast_values, toast_nulls)) >
maxDataLen)
maxDataLen)
{
int biggest_attno = -1;
int32 biggest_size = MAXALIGN(sizeof(varattrib));
Datum old_value;
Datum new_value;
int biggest_attno = -1;
int32 biggest_size = MAXALIGN(sizeof(varattrib));
Datum old_value;
Datum new_value;
/* ----------
* Search for the biggest yet uncompressed internal attribute
@@ -420,7 +420,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
if (toast_sizes[i] > biggest_size)
{
biggest_attno = i;
biggest_size = toast_sizes[i];
biggest_size = toast_sizes[i];
}
}
@@ -431,24 +431,28 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* Attempt to compress it inline
* ----------
*/
i = biggest_attno;
old_value = toast_values[i];
new_value = toast_compress_datum(old_value);
i = biggest_attno;
old_value = toast_values[i];
new_value = toast_compress_datum(old_value);
if (DatumGetPointer(new_value) != NULL)
{
/* successful compression */
if (toast_free[i])
pfree(DatumGetPointer(old_value));
toast_values[i] = new_value;
toast_free[i] = true;
toast_sizes[i] = VARATT_SIZE(toast_values[i]);
need_change = true;
need_free = true;
toast_values[i] = new_value;
toast_free[i] = true;
toast_sizes[i] = VARATT_SIZE(toast_values[i]);
need_change = true;
need_free = true;
}
else
{
/* incompressible data, ignore on subsequent compression passes */
/*
* incompressible data, ignore on subsequent compression
* passes
*/
toast_action[i] = 'x';
}
}
@@ -459,11 +463,11 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* ----------
*/
while (MAXALIGN(ComputeDataSize(tupleDesc, toast_values, toast_nulls)) >
maxDataLen && rel->rd_rel->reltoastrelid != InvalidOid)
maxDataLen && rel->rd_rel->reltoastrelid != InvalidOid)
{
int biggest_attno = -1;
int32 biggest_size = MAXALIGN(sizeof(varattrib));
Datum old_value;
int biggest_attno = -1;
int32 biggest_size = MAXALIGN(sizeof(varattrib));
Datum old_value;
/* ----------
* Search for the biggest yet inlined attribute with
@@ -481,7 +485,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
if (toast_sizes[i] > biggest_size)
{
biggest_attno = i;
biggest_size = toast_sizes[i];
biggest_size = toast_sizes[i];
}
}
@@ -492,21 +496,21 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* Store this external
* ----------
*/
i = biggest_attno;
old_value = toast_values[i];
toast_action[i] = 'p';
toast_values[i] = toast_save_datum(rel,
newtup->t_data->t_oid,
i + 1,
toast_values[i]);
i = biggest_attno;
old_value = toast_values[i];
toast_action[i] = 'p';
toast_values[i] = toast_save_datum(rel,
newtup->t_data->t_oid,
i + 1,
toast_values[i]);
if (toast_free[i])
pfree(DatumGetPointer(old_value));
toast_free[i] = true;
toast_sizes[i] = VARATT_SIZE(toast_values[i]);
toast_free[i] = true;
toast_sizes[i] = VARATT_SIZE(toast_values[i]);
need_change = true;
need_free = true;
need_free = true;
}
/* ----------
@@ -515,12 +519,12 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* ----------
*/
while (MAXALIGN(ComputeDataSize(tupleDesc, toast_values, toast_nulls)) >
maxDataLen)
maxDataLen)
{
int biggest_attno = -1;
int32 biggest_size = MAXALIGN(sizeof(varattrib));
Datum old_value;
Datum new_value;
int biggest_attno = -1;
int32 biggest_size = MAXALIGN(sizeof(varattrib));
Datum old_value;
Datum new_value;
/* ----------
* Search for the biggest yet uncompressed internal attribute
@@ -537,7 +541,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
if (toast_sizes[i] > biggest_size)
{
biggest_attno = i;
biggest_size = toast_sizes[i];
biggest_size = toast_sizes[i];
}
}
@@ -548,24 +552,28 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* Attempt to compress it inline
* ----------
*/
i = biggest_attno;
old_value = toast_values[i];
new_value = toast_compress_datum(old_value);
i = biggest_attno;
old_value = toast_values[i];
new_value = toast_compress_datum(old_value);
if (DatumGetPointer(new_value) != NULL)
{
/* successful compression */
if (toast_free[i])
pfree(DatumGetPointer(old_value));
toast_values[i] = new_value;
toast_free[i] = true;
toast_sizes[i] = VARATT_SIZE(toast_values[i]);
need_change = true;
need_free = true;
toast_values[i] = new_value;
toast_free[i] = true;
toast_sizes[i] = VARATT_SIZE(toast_values[i]);
need_change = true;
need_free = true;
}
else
{
/* incompressible data, ignore on subsequent compression passes */
/*
* incompressible data, ignore on subsequent compression
* passes
*/
toast_action[i] = 'x';
}
}
@@ -575,11 +583,11 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* ----------
*/
while (MAXALIGN(ComputeDataSize(tupleDesc, toast_values, toast_nulls)) >
maxDataLen && rel->rd_rel->reltoastrelid != InvalidOid)
maxDataLen && rel->rd_rel->reltoastrelid != InvalidOid)
{
int biggest_attno = -1;
int32 biggest_size = MAXALIGN(sizeof(varattrib));
Datum old_value;
int biggest_attno = -1;
int32 biggest_size = MAXALIGN(sizeof(varattrib));
Datum old_value;
/* ----------
* Search for the biggest yet inlined attribute with
@@ -597,7 +605,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
if (toast_sizes[i] > biggest_size)
{
biggest_attno = i;
biggest_size = toast_sizes[i];
biggest_size = toast_sizes[i];
}
}
@@ -608,21 +616,21 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* Store this external
* ----------
*/
i = biggest_attno;
old_value = toast_values[i];
toast_action[i] = 'p';
toast_values[i] = toast_save_datum(rel,
newtup->t_data->t_oid,
i + 1,
toast_values[i]);
i = biggest_attno;
old_value = toast_values[i];
toast_action[i] = 'p';
toast_values[i] = toast_save_datum(rel,
newtup->t_data->t_oid,
i + 1,
toast_values[i]);
if (toast_free[i])
pfree(DatumGetPointer(old_value));
toast_free[i] = true;
toast_sizes[i] = VARATT_SIZE(toast_values[i]);
toast_free[i] = true;
toast_sizes[i] = VARATT_SIZE(toast_values[i]);
need_change = true;
need_free = true;
need_free = true;
}
/* ----------
@@ -632,10 +640,10 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
*/
if (need_change)
{
char *new_data;
int32 new_len;
MemoryContext oldcxt;
HeapTupleHeader olddata;
char *new_data;
int32 new_len;
MemoryContext oldcxt;
HeapTupleHeader olddata;
/* ----------
* Calculate the new size of the tuple
@@ -662,24 +670,24 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
* ----------
*/
memcpy(new_data, newtup->t_data, newtup->t_data->t_hoff);
newtup->t_data = (HeapTupleHeader)new_data;
newtup->t_data = (HeapTupleHeader) new_data;
newtup->t_len = new_len;
DataFill((char *)(MAXALIGN((long)new_data +
offsetof(HeapTupleHeaderData, t_bits) +
((has_nulls) ? BITMAPLEN(numAttrs) : 0))),
tupleDesc,
toast_values,
toast_nulls,
&(newtup->t_data->t_infomask),
has_nulls ? newtup->t_data->t_bits : NULL);
DataFill((char *) (MAXALIGN((long) new_data +
offsetof(HeapTupleHeaderData, t_bits) +
((has_nulls) ? BITMAPLEN(numAttrs) : 0))),
tupleDesc,
toast_values,
toast_nulls,
&(newtup->t_data->t_infomask),
has_nulls ? newtup->t_data->t_bits : NULL);
/* ----------
* In the case we modified a previously modified tuple again,
* free the memory from the previous run
* ----------
*/
if ((char *)olddata != ((char *)newtup + HEAPTUPLESIZE))
if ((char *) olddata != ((char *) newtup + HEAPTUPLESIZE))
pfree(olddata);
/* ----------
@@ -723,7 +731,7 @@ toast_insert_or_update(Relation rel, HeapTuple newtup, HeapTuple oldtup)
Datum
toast_compress_datum(Datum value)
{
varattrib *tmp;
varattrib *tmp;
tmp = (varattrib *) palloc(sizeof(PGLZ_Header) + VARATT_SIZE(value));
pglz_compress(VARATT_DATA(value), VARATT_SIZE(value) - VARHDRSZ,
@@ -754,45 +762,45 @@ toast_compress_datum(Datum value)
static Datum
toast_save_datum(Relation rel, Oid mainoid, int16 attno, Datum value)
{
Relation toastrel;
Relation toastidx;
HeapTuple toasttup;
InsertIndexResult idxres;
TupleDesc toasttupDesc;
Datum t_values[3];
char t_nulls[3];
varattrib *result;
char chunk_data[VARHDRSZ + TOAST_MAX_CHUNK_SIZE];
int32 chunk_size;
int32 chunk_seq = 0;
char *data_p;
int32 data_todo;
Relation toastrel;
Relation toastidx;
HeapTuple toasttup;
InsertIndexResult idxres;
TupleDesc toasttupDesc;
Datum t_values[3];
char t_nulls[3];
varattrib *result;
char chunk_data[VARHDRSZ + TOAST_MAX_CHUNK_SIZE];
int32 chunk_size;
int32 chunk_seq = 0;
char *data_p;
int32 data_todo;
/* ----------
* Create the varattrib reference
* ----------
*/
result = (varattrib *)palloc(sizeof(varattrib));
result = (varattrib *) palloc(sizeof(varattrib));
result->va_header = sizeof(varattrib) | VARATT_FLAG_EXTERNAL;
result->va_header = sizeof(varattrib) | VARATT_FLAG_EXTERNAL;
if (VARATT_IS_COMPRESSED(value))
{
result->va_header |= VARATT_FLAG_COMPRESSED;
result->va_content.va_external.va_rawsize =
((varattrib *)value)->va_content.va_compressed.va_rawsize;
result->va_content.va_external.va_rawsize =
((varattrib *) value)->va_content.va_compressed.va_rawsize;
}
else
result->va_content.va_external.va_rawsize = VARATT_SIZE(value);
result->va_content.va_external.va_extsize =
VARATT_SIZE(value) - VARHDRSZ;
result->va_content.va_external.va_valueid = newoid();
result->va_content.va_external.va_toastrelid =
rel->rd_rel->reltoastrelid;
result->va_content.va_external.va_toastidxid =
rel->rd_rel->reltoastidxid;
result->va_content.va_external.va_rowid = mainoid;
result->va_content.va_external.va_attno = attno;
result->va_content.va_external.va_extsize =
VARATT_SIZE(value) - VARHDRSZ;
result->va_content.va_external.va_valueid = newoid();
result->va_content.va_external.va_toastrelid =
rel->rd_rel->reltoastrelid;
result->va_content.va_external.va_toastidxid =
rel->rd_rel->reltoastidxid;
result->va_content.va_external.va_rowid = mainoid;
result->va_content.va_external.va_attno = attno;
/* ----------
* Initialize constant parts of the tuple data
@@ -808,8 +816,8 @@ toast_save_datum(Relation rel, Oid mainoid, int16 attno, Datum value)
* Get the data to process
* ----------
*/
data_p = VARATT_DATA(value);
data_todo = VARATT_SIZE(value) - VARHDRSZ;
data_p = VARATT_DATA(value);
data_todo = VARATT_SIZE(value) - VARHDRSZ;
/* ----------
* Open the toast relation
@@ -818,9 +826,9 @@ toast_save_datum(Relation rel, Oid mainoid, int16 attno, Datum value)
toastrel = heap_open(rel->rd_rel->reltoastrelid, RowExclusiveLock);
toasttupDesc = toastrel->rd_att;
toastidx = index_open(rel->rd_rel->reltoastidxid);
/* ----------
* Split up the item into chunks
* Split up the item into chunks
* ----------
*/
while (data_todo > 0)
@@ -848,8 +856,8 @@ toast_save_datum(Relation rel, Oid mainoid, int16 attno, Datum value)
*/
heap_insert(toastrel, toasttup);
idxres = index_insert(toastidx, t_values, t_nulls,
&(toasttup->t_self),
toastrel);
&(toasttup->t_self),
toastrel);
if (idxres == NULL)
elog(ERROR, "Failed to insert index entry for TOAST tuple");
@@ -888,14 +896,14 @@ toast_save_datum(Relation rel, Oid mainoid, int16 attno, Datum value)
static void
toast_delete_datum(Relation rel, Datum value)
{
register varattrib *attr = (varattrib *)value;
Relation toastrel;
Relation toastidx;
ScanKeyData toastkey;
IndexScanDesc toastscan;
HeapTupleData toasttup;
RetrieveIndexResult indexRes;
Buffer buffer;
register varattrib *attr = (varattrib *) value;
Relation toastrel;
Relation toastidx;
ScanKeyData toastkey;
IndexScanDesc toastscan;
HeapTupleData toasttup;
RetrieveIndexResult indexRes;
Buffer buffer;
if (!VARATT_IS_EXTERNAL(attr))
return;
@@ -904,8 +912,8 @@ toast_delete_datum(Relation rel, Datum value)
* Open the toast relation and it's index
* ----------
*/
toastrel = heap_open(attr->va_content.va_external.va_toastrelid,
RowExclusiveLock);
toastrel = heap_open(attr->va_content.va_external.va_toastrelid,
RowExclusiveLock);
toastidx = index_open(attr->va_content.va_external.va_toastidxid);
/* ----------
@@ -913,10 +921,10 @@ toast_delete_datum(Relation rel, Datum value)
* ----------
*/
ScanKeyEntryInitialize(&toastkey,
(bits16) 0,
(AttrNumber) 1,
(RegProcedure) F_OIDEQ,
ObjectIdGetDatum(attr->va_content.va_external.va_valueid));
(bits16) 0,
(AttrNumber) 1,
(RegProcedure) F_OIDEQ,
ObjectIdGetDatum(attr->va_content.va_external.va_valueid));
/* ----------
* Read the chunks by index
@@ -961,36 +969,36 @@ toast_delete_datum(Relation rel, Datum value)
static varattrib *
toast_fetch_datum(varattrib *attr)
{
Relation toastrel;
Relation toastidx;
ScanKeyData toastkey;
IndexScanDesc toastscan;
HeapTupleData toasttup;
HeapTuple ttup;
TupleDesc toasttupDesc;
RetrieveIndexResult indexRes;
Buffer buffer;
Relation toastrel;
Relation toastidx;
ScanKeyData toastkey;
IndexScanDesc toastscan;
HeapTupleData toasttup;
HeapTuple ttup;
TupleDesc toasttupDesc;
RetrieveIndexResult indexRes;
Buffer buffer;
varattrib *result;
int32 ressize;
int32 residx;
int numchunks;
Pointer chunk;
bool isnull;
int32 chunksize;
varattrib *result;
int32 ressize;
int32 residx;
int numchunks;
Pointer chunk;
bool isnull;
int32 chunksize;
char *chunks_found;
char *chunks_expected;
char *chunks_found;
char *chunks_expected;
ressize = attr->va_content.va_external.va_extsize;
numchunks = ((ressize - 1) / TOAST_MAX_CHUNK_SIZE) + 1;
numchunks = ((ressize - 1) / TOAST_MAX_CHUNK_SIZE) + 1;
chunks_found = palloc(numchunks);
chunks_found = palloc(numchunks);
chunks_expected = palloc(numchunks);
memset(chunks_found, 0, numchunks);
memset(chunks_found, 0, numchunks);
memset(chunks_expected, 1, numchunks);
result = (varattrib *)palloc(ressize + VARHDRSZ);
result = (varattrib *) palloc(ressize + VARHDRSZ);
VARATT_SIZEP(result) = ressize + VARHDRSZ;
if (VARATT_IS_COMPRESSED(attr))
VARATT_SIZEP(result) |= VARATT_FLAG_COMPRESSED;
@@ -999,8 +1007,8 @@ toast_fetch_datum(varattrib *attr)
* Open the toast relation and it's index
* ----------
*/
toastrel = heap_open(attr->va_content.va_external.va_toastrelid,
AccessShareLock);
toastrel = heap_open(attr->va_content.va_external.va_toastrelid,
AccessShareLock);
toasttupDesc = toastrel->rd_att;
toastidx = index_open(attr->va_content.va_external.va_toastidxid);
@@ -1009,10 +1017,10 @@ toast_fetch_datum(varattrib *attr)
* ----------
*/
ScanKeyEntryInitialize(&toastkey,
(bits16) 0,
(AttrNumber) 1,
(RegProcedure) F_OIDEQ,
ObjectIdGetDatum(attr->va_content.va_external.va_valueid));
(bits16) 0,
(AttrNumber) 1,
(RegProcedure) F_OIDEQ,
ObjectIdGetDatum(attr->va_content.va_external.va_valueid));
/* ----------
* Read the chunks by index
@@ -1049,7 +1057,7 @@ toast_fetch_datum(varattrib *attr)
elog(ERROR, "unexpected chunk number %d for toast value %d",
residx,
attr->va_content.va_external.va_valueid);
if (residx < numchunks-1)
if (residx < numchunks - 1)
{
if (chunksize != TOAST_MAX_CHUNK_SIZE)
elog(ERROR, "unexpected chunk size %d in chunk %d for toast value %d",
@@ -1072,7 +1080,7 @@ toast_fetch_datum(varattrib *attr)
* Copy the data into proper place in our result
* ----------
*/
memcpy(((char *)VARATT_DATA(result)) + residx * TOAST_MAX_CHUNK_SIZE,
memcpy(((char *) VARATT_DATA(result)) + residx * TOAST_MAX_CHUNK_SIZE,
VARATT_DATA(chunk),
chunksize);
@@ -1085,7 +1093,7 @@ toast_fetch_datum(varattrib *attr)
*/
if (memcmp(chunks_found, chunks_expected, numchunks) != 0)
elog(ERROR, "not all toast chunks found for value %d",
attr->va_content.va_external.va_valueid);
attr->va_content.va_external.va_valueid);
pfree(chunks_expected);
pfree(chunks_found);

16
src/backend/access/index/istrat.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/index/Attic/istrat.c,v 1.48 2001/01/24 19:42:48 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/index/Attic/istrat.c,v 1.49 2001/03/22 03:59:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -239,8 +239,8 @@ StrategyTermEvaluate(StrategyTerm term,
break;
case SK_NEGATE:
result = ! DatumGetBool(FunctionCall2(&entry->sk_func,
left, right));
result = !DatumGetBool(FunctionCall2(&entry->sk_func,
left, right));
break;
case SK_COMMUTE:
@@ -249,8 +249,8 @@ StrategyTermEvaluate(StrategyTerm term,
break;
case SK_NEGATE | SK_COMMUTE:
result = ! DatumGetBool(FunctionCall2(&entry->sk_func,
right, left));
result = !DatumGetBool(FunctionCall2(&entry->sk_func,
right, left));
break;
default:
@@ -263,6 +263,7 @@ StrategyTermEvaluate(StrategyTerm term,
return result;
}
#endif
/* ----------------
@@ -465,6 +466,7 @@ RelationInvokeStrategy(Relation relation,
}
#endif
/* ----------------
@@ -519,7 +521,7 @@ OperatorRelationFillScanKeyEntry(Relation operatorRelation,
if (!RegProcedureIsValid(entry->sk_procedure))
elog(ERROR,
"OperatorRelationFillScanKeyEntry: no procedure for operator %u",
"OperatorRelationFillScanKeyEntry: no procedure for operator %u",
operatorObjectId);
fmgr_info(entry->sk_procedure, &entry->sk_func);
@@ -597,9 +599,7 @@ IndexSupportInitialize(IndexStrategy indexStrategy,
}
if (cachesearch)
{
ReleaseSysCache(tuple);
}
else
{
heap_endscan(scan);

11
src/backend/access/nbtree/nbtcompare.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtcompare.c,v 1.40 2001/01/24 19:42:48 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtcompare.c,v 1.41 2001/03/22 03:59:14 momjian Exp $
*
* NOTES
*
@@ -150,8 +150,8 @@ btoidvectorcmp(PG_FUNCTION_ARGS)
Datum
btabstimecmp(PG_FUNCTION_ARGS)
{
AbsoluteTime a = PG_GETARG_ABSOLUTETIME(0);
AbsoluteTime b = PG_GETARG_ABSOLUTETIME(1);
AbsoluteTime a = PG_GETARG_ABSOLUTETIME(0);
AbsoluteTime b = PG_GETARG_ABSOLUTETIME(1);
if (AbsoluteTimeIsBefore(a, b))
PG_RETURN_INT32(-1);
@@ -236,9 +236,10 @@ bttextcmp(PG_FUNCTION_ARGS)
if (res == 0 && VARSIZE(a) != VARSIZE(b))
{
/*
* The two strings are the same in the first len bytes,
* and they are of different lengths.
* The two strings are the same in the first len bytes, and they
* are of different lengths.
*/
if (VARSIZE(a) < VARSIZE(b))
res = -1;

602
src/backend/access/nbtree/nbtinsert.c
View File

File diff suppressed because it is too large Load Diff

60
src/backend/access/nbtree/nbtpage.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtpage.c,v 1.50 2001/02/07 23:35:33 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtpage.c,v 1.51 2001/03/22 03:59:14 momjian Exp $
*
* NOTES
* Postgres btree pages look like ordinary relation pages. The opaque
@@ -28,7 +28,7 @@
#include "miscadmin.h"
#include "storage/lmgr.h"
extern bool FixBTree; /* comments in nbtree.c */
extern bool FixBTree; /* comments in nbtree.c */
extern Buffer _bt_fixroot(Relation rel, Buffer oldrootbuf, bool release);
/*
@@ -100,7 +100,7 @@ _bt_metapinit(Relation rel)
*
* The access type parameter (BT_READ or BT_WRITE) controls whether
* a new root page will be created or not. If access = BT_READ,
* and no root page exists, we just return InvalidBuffer. For
* and no root page exists, we just return InvalidBuffer. For
* BT_WRITE, we try to create the root page if it doesn't exist.
* NOTE that the returned root page will have only a read lock set
* on it even if access = BT_WRITE!
@@ -178,20 +178,20 @@ _bt_getroot(Relation rel, int access)
/* XLOG stuff */
{
xl_btree_newroot xlrec;
XLogRecPtr recptr;
XLogRecData rdata;
xl_btree_newroot xlrec;
XLogRecPtr recptr;
XLogRecData rdata;
xlrec.node = rel->rd_node;
xlrec.level = 1;
BlockIdSet(&(xlrec.rootblk), rootblkno);
rdata.buffer = InvalidBuffer;
rdata.data = (char*)&xlrec;
rdata.data = (char *) &xlrec;
rdata.len = SizeOfBtreeNewroot;
rdata.next = NULL;
recptr = XLogInsert(RM_BTREE_ID,
XLOG_BTREE_NEWROOT|XLOG_BTREE_LEAF, &rdata);
XLOG_BTREE_NEWROOT | XLOG_BTREE_LEAF, &rdata);
PageSetLSN(rootpage, recptr);
PageSetSUI(rootpage, ThisStartUpID);
@@ -212,6 +212,7 @@ _bt_getroot(Relation rel, int access)
}
else
{
/*
* Metadata initialized by someone else. In order to
* guarantee no deadlocks, we have to release the metadata
@@ -232,30 +233,31 @@ _bt_getroot(Relation rel, int access)
/*
* Race condition: If the root page split between the time we looked
* at the metadata page and got the root buffer, then we got the wrong
* buffer. Release it and try again.
* buffer. Release it and try again.
*/
rootpage = BufferGetPage(rootbuf);
rootopaque = (BTPageOpaque) PageGetSpecialPointer(rootpage);
if (! P_ISROOT(rootopaque))
if (!P_ISROOT(rootopaque))
{
/*
* It happened, but if root page splitter failed to create
* new root page then we'll go in loop trying to call
* _bt_getroot again and again.
* It happened, but if root page splitter failed to create new
* root page then we'll go in loop trying to call _bt_getroot
* again and again.
*/
if (FixBTree)
{
Buffer newrootbuf;
Buffer newrootbuf;
check_parent:;
if (BTreeInvalidParent(rootopaque)) /* unupdated! */
check_parent:;
if (BTreeInvalidParent(rootopaque)) /* unupdated! */
{
LockBuffer(rootbuf, BUFFER_LOCK_UNLOCK);
LockBuffer(rootbuf, BT_WRITE);
/* handle concurrent fix of root page */
if (BTreeInvalidParent(rootopaque)) /* unupdated! */
if (BTreeInvalidParent(rootopaque)) /* unupdated! */
{
elog(NOTICE, "bt_getroot[%s]: fixing root page", RelationGetRelationName(rel));
newrootbuf = _bt_fixroot(rel, rootbuf, true);
@@ -266,20 +268,22 @@ check_parent:;
rootopaque = (BTPageOpaque) PageGetSpecialPointer(rootpage);
/* New root might be splitted while changing lock */
if (P_ISROOT(rootopaque))
return(rootbuf);
return (rootbuf);
/* rootbuf is read locked */
goto check_parent;
}
else /* someone else already fixed root */
else
/* someone else already fixed root */
{
LockBuffer(rootbuf, BUFFER_LOCK_UNLOCK);
LockBuffer(rootbuf, BT_READ);
}
}
/*
* Ok, here we have old root page with btpo_parent pointing
* to upper level - check parent page because of there is
* good chance that parent is root page.
* Ok, here we have old root page with btpo_parent pointing to
* upper level - check parent page because of there is good
* chance that parent is root page.
*/
newrootbuf = _bt_getbuf(rel, rootopaque->btpo_parent, BT_READ);
_bt_relbuf(rel, rootbuf, BT_READ);
@@ -287,7 +291,7 @@ check_parent:;
rootpage = BufferGetPage(rootbuf);
rootopaque = (BTPageOpaque) PageGetSpecialPointer(rootpage);
if (P_ISROOT(rootopaque))
return(rootbuf);
return (rootbuf);
/* no luck -:( */
}
@@ -366,7 +370,7 @@ _bt_relbuf(Relation rel, Buffer buf, int access)
* and a pin on the buffer.
*
* NOTE: actually, the buffer manager just marks the shared buffer page
* dirty here, the real I/O happens later. Since we can't persuade the
* dirty here, the real I/O happens later. Since we can't persuade the
* Unix kernel to schedule disk writes in a particular order, there's not
* much point in worrying about this. The most we can say is that all the
* writes will occur before commit.
@@ -468,14 +472,14 @@ _bt_pagedel(Relation rel, ItemPointer tid)
PageIndexTupleDelete(page, offno);
/* XLOG stuff */
{
xl_btree_delete xlrec;
XLogRecPtr recptr;
XLogRecData rdata[2];
xl_btree_delete xlrec;
XLogRecPtr recptr;
XLogRecData rdata[2];
xlrec.target.node = rel->rd_node;
xlrec.target.tid = *tid;
rdata[0].buffer = InvalidBuffer;
rdata[0].data = (char*)&xlrec;
rdata[0].data = (char *) &xlrec;
rdata[0].len = SizeOfBtreeDelete;
rdata[0].next = &(rdata[1]);

271
src/backend/access/nbtree/nbtree.c
View File

@@ -12,7 +12,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.78 2001/02/07 23:35:33 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.79 2001/03/22 03:59:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -30,7 +30,8 @@
bool BuildingBtree = false; /* see comment in btbuild() */
bool FastBuild = true; /* use sort/build instead */
/* of insertion build */
/* of insertion build */
/*
@@ -52,12 +53,14 @@ static void _bt_restscan(IndexScanDesc scan);
Datum
btbuild(PG_FUNCTION_ARGS)
{
Relation heap = (Relation) PG_GETARG_POINTER(0);
Relation index = (Relation) PG_GETARG_POINTER(1);
IndexInfo *indexInfo = (IndexInfo *) PG_GETARG_POINTER(2);
Node *oldPred = (Node *) PG_GETARG_POINTER(3);
Relation heap = (Relation) PG_GETARG_POINTER(0);
Relation index = (Relation) PG_GETARG_POINTER(1);
IndexInfo *indexInfo = (IndexInfo *) PG_GETARG_POINTER(2);
Node *oldPred = (Node *) PG_GETARG_POINTER(3);
#ifdef NOT_USED
IndexStrategy istrat = (IndexStrategy) PG_GETARG_POINTER(4);
IndexStrategy istrat = (IndexStrategy) PG_GETARG_POINTER(4);
#endif
HeapScanDesc hscan;
HeapTuple htup;
@@ -69,9 +72,11 @@ btbuild(PG_FUNCTION_ARGS)
int nhtups,
nitups;
Node *pred = indexInfo->ii_Predicate;
#ifndef OMIT_PARTIAL_INDEX
TupleTable tupleTable;
TupleTableSlot *slot;
#endif
ExprContext *econtext;
InsertIndexResult res = NULL;
@@ -79,15 +84,16 @@ btbuild(PG_FUNCTION_ARGS)
BTItem btitem;
bool usefast;
Snapshot snapshot;
TransactionId XmaxRecent;
TransactionId XmaxRecent;
/*
* spool2 is needed only when the index is an unique index.
* Dead tuples are put into spool2 instead of spool in
* order to avoid uniqueness check.
* spool2 is needed only when the index is an unique index. Dead
* tuples are put into spool2 instead of spool in order to avoid
* uniqueness check.
*/
BTSpool *spool2 = NULL;
BTSpool *spool2 = NULL;
bool tupleIsAlive;
int dead_count;
int dead_count;
/* note that this is a new btree */
BuildingBtree = true;
@@ -103,7 +109,7 @@ btbuild(PG_FUNCTION_ARGS)
#ifdef BTREE_BUILD_STATS
if (Show_btree_build_stats)
ResetUsage();
#endif /* BTREE_BUILD_STATS */
#endif /* BTREE_BUILD_STATS */
/* initialize the btree index metadata page (if this is a new index) */
if (oldPred == NULL)
@@ -155,10 +161,10 @@ btbuild(PG_FUNCTION_ARGS)
if (usefast)
{
spool = _bt_spoolinit(index, indexInfo->ii_Unique);
/*
* Different from spool,the uniqueness isn't checked
* for spool2.
*/
* Different from spool,the uniqueness isn't checked for spool2.
*/
if (indexInfo->ii_Unique)
spool2 = _bt_spoolinit(index, false);
}
@@ -187,12 +193,13 @@ btbuild(PG_FUNCTION_ARGS)
}
else
tupleIsAlive = true;
MemoryContextReset(econtext->ecxt_per_tuple_memory);
nhtups++;
#ifndef OMIT_PARTIAL_INDEX
/*
* If oldPred != NULL, this is an EXTEND INDEX command, so skip
* this tuple if it was already in the existing partial index
@@ -253,8 +260,7 @@ btbuild(PG_FUNCTION_ARGS)
* btree pages - NULLs greater NOT_NULLs and NULL = NULL is TRUE.
* Sure, it's just rule for placing/finding items and no more -
* keytest'll return FALSE for a = 5 for items having 'a' isNULL.
* Look at _bt_compare for how it works.
* - vadim 03/23/97
* Look at _bt_compare for how it works. - vadim 03/23/97
*
* if (itup->t_info & INDEX_NULL_MASK) { pfree(itup); continue; }
*/
@@ -271,7 +277,8 @@ btbuild(PG_FUNCTION_ARGS)
{
if (tupleIsAlive || !spool2)
_bt_spool(btitem, spool);
else /* dead tuples are put into spool2 */
else
/* dead tuples are put into spool2 */
{
dead_count++;
_bt_spool(btitem, spool2);
@@ -288,7 +295,7 @@ btbuild(PG_FUNCTION_ARGS)
/* okay, all heap tuples are indexed */
heap_endscan(hscan);
if (spool2 && !dead_count) /* spool2 was found to be unnecessary */
if (spool2 && !dead_count) /* spool2 was found to be unnecessary */
{
_bt_spooldestroy(spool2);
spool2 = NULL;
@@ -296,9 +303,7 @@ btbuild(PG_FUNCTION_ARGS)
#ifndef OMIT_PARTIAL_INDEX
if (pred != NULL || oldPred != NULL)
{
ExecDropTupleTable(tupleTable, true);
}
#endif /* OMIT_PARTIAL_INDEX */
FreeExprContext(econtext);
@@ -322,7 +327,7 @@ btbuild(PG_FUNCTION_ARGS)
ShowUsage();
ResetUsage();
}
#endif /* BTREE_BUILD_STATS */
#endif /* BTREE_BUILD_STATS */
/*
* Since we just counted the tuples in the heap, we update its stats
@@ -368,11 +373,11 @@ btbuild(PG_FUNCTION_ARGS)
Datum
btinsert(PG_FUNCTION_ARGS)
{
Relation rel = (Relation) PG_GETARG_POINTER(0);
Datum *datum = (Datum *) PG_GETARG_POINTER(1);
char *nulls = (char *) PG_GETARG_POINTER(2);
ItemPointer ht_ctid = (ItemPointer) PG_GETARG_POINTER(3);
Relation heapRel = (Relation) PG_GETARG_POINTER(4);
Relation rel = (Relation) PG_GETARG_POINTER(0);
Datum *datum = (Datum *) PG_GETARG_POINTER(1);
char *nulls = (char *) PG_GETARG_POINTER(2);
ItemPointer ht_ctid = (ItemPointer) PG_GETARG_POINTER(3);
Relation heapRel = (Relation) PG_GETARG_POINTER(4);
InsertIndexResult res;
BTItem btitem;
IndexTuple itup;
@@ -396,8 +401,8 @@ btinsert(PG_FUNCTION_ARGS)
Datum
btgettuple(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ScanDirection dir = (ScanDirection) PG_GETARG_INT32(1);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ScanDirection dir = (ScanDirection) PG_GETARG_INT32(1);
RetrieveIndexResult res;
/*
@@ -408,10 +413,11 @@ btgettuple(PG_FUNCTION_ARGS)
if (ItemPointerIsValid(&(scan->currentItemData)))
{
/*
* Restore scan position using heap TID returned by previous call
* to btgettuple(). _bt_restscan() re-grabs the read lock on
* the buffer, too.
* to btgettuple(). _bt_restscan() re-grabs the read lock on the
* buffer, too.
*/
_bt_restscan(scan);
res = _bt_next(scan, dir);
@@ -421,8 +427,8 @@ btgettuple(PG_FUNCTION_ARGS)
/*
* Save heap TID to use it in _bt_restscan. Then release the read
* lock on the buffer so that we aren't blocking other backends.
* NOTE: we do keep the pin on the buffer!
* lock on the buffer so that we aren't blocking other backends. NOTE:
* we do keep the pin on the buffer!
*/
if (res)
{
@@ -461,11 +467,13 @@ btbeginscan(PG_FUNCTION_ARGS)
Datum
btrescan(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
#ifdef NOT_USED /* XXX surely it's wrong to ignore this? */
bool fromEnd = PG_GETARG_BOOL(1);
bool fromEnd = PG_GETARG_BOOL(1);
#endif
ScanKey scankey = (ScanKey) PG_GETARG_POINTER(2);
ScanKey scankey = (ScanKey) PG_GETARG_POINTER(2);
ItemPointer iptr;
BTScanOpaque so;
@@ -540,7 +548,7 @@ btmovescan(IndexScanDesc scan, Datum v)
Datum
btendscan(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ItemPointer iptr;
BTScanOpaque so;
@@ -578,7 +586,7 @@ btendscan(PG_FUNCTION_ARGS)
Datum
btmarkpos(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ItemPointer iptr;
BTScanOpaque so;
@@ -610,7 +618,7 @@ btmarkpos(PG_FUNCTION_ARGS)
Datum
btrestrpos(PG_FUNCTION_ARGS)
{
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
ItemPointer iptr;
BTScanOpaque so;
@@ -640,8 +648,8 @@ btrestrpos(PG_FUNCTION_ARGS)
Datum
btdelete(PG_FUNCTION_ARGS)
{
Relation rel = (Relation) PG_GETARG_POINTER(0);
ItemPointer tid = (ItemPointer) PG_GETARG_POINTER(1);
Relation rel = (Relation) PG_GETARG_POINTER(0);
ItemPointer tid = (ItemPointer) PG_GETARG_POINTER(1);
/* adjust any active scans that will be affected by this deletion */
_bt_adjscans(rel, tid);
@@ -671,8 +679,8 @@ _bt_restscan(IndexScanDesc scan)
BlockNumber blkno;
/*
* Get back the read lock we were holding on the buffer.
* (We still have a reference-count pin on it, though.)
* Get back the read lock we were holding on the buffer. (We still
* have a reference-count pin on it, though.)
*/
LockBuffer(buf, BT_READ);
@@ -689,13 +697,13 @@ _bt_restscan(IndexScanDesc scan)
if (!ItemPointerIsValid(&target))
{
ItemPointerSetOffsetNumber(current,
OffsetNumberPrev(P_FIRSTDATAKEY(opaque)));
OffsetNumberPrev(P_FIRSTDATAKEY(opaque)));
return;
}
/*
* The item we were on may have moved right due to insertions.
* Find it again.
* The item we were on may have moved right due to insertions. Find it
* again.
*/
for (;;)
{
@@ -717,7 +725,8 @@ _bt_restscan(IndexScanDesc scan)
}
/*
* By here, the item we're looking for moved right at least one page
* By here, the item we're looking for moved right at least one
* page
*/
if (P_RIGHTMOST(opaque))
elog(FATAL, "_bt_restscan: my bits moved right off the end of the world!"
@@ -742,14 +751,14 @@ _bt_restore_page(Page page, char *from, int len)
Size itemsz;
char *end = from + len;
for ( ; from < end; )
for (; from < end;)
{
memcpy(&btdata, from, sizeof(BTItemData));
itemsz = IndexTupleDSize(btdata.bti_itup) +
(sizeof(BTItemData) - sizeof(IndexTupleData));
(sizeof(BTItemData) - sizeof(IndexTupleData));
itemsz = MAXALIGN(itemsz);
if (PageAddItem(page, (Item) from, itemsz,
FirstOffsetNumber, LP_USED) == InvalidOffsetNumber)
FirstOffsetNumber, LP_USED) == InvalidOffsetNumber)
elog(STOP, "_bt_restore_page: can't add item to page");
from += itemsz;
}
@@ -758,20 +767,20 @@ _bt_restore_page(Page page, char *from, int len)
static void
btree_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_delete *xlrec;
Relation reln;
Buffer buffer;
Page page;
xl_btree_delete *xlrec;
Relation reln;
Buffer buffer;
Page page;
if (!redo || (record->xl_info & XLR_BKP_BLOCK_1))
return;
xlrec = (xl_btree_delete*) XLogRecGetData(record);
xlrec = (xl_btree_delete *) XLogRecGetData(record);
reln = XLogOpenRelation(redo, RM_BTREE_ID, xlrec->target.node);
if (!RelationIsValid(reln))
return;
buffer = XLogReadBuffer(false, reln,
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
buffer = XLogReadBuffer(false, reln,
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
if (!BufferIsValid(buffer))
elog(STOP, "btree_delete_redo: block unfound");
page = (Page) BufferGetPage(buffer);
@@ -796,21 +805,21 @@ btree_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
static void
btree_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_insert *xlrec;
Relation reln;
Buffer buffer;
Page page;
BTPageOpaque pageop;
xl_btree_insert *xlrec;
Relation reln;
Buffer buffer;
Page page;
BTPageOpaque pageop;
if (redo && (record->xl_info & XLR_BKP_BLOCK_1))
return;
xlrec = (xl_btree_insert*) XLogRecGetData(record);
xlrec = (xl_btree_insert *) XLogRecGetData(record);
reln = XLogOpenRelation(redo, RM_BTREE_ID, xlrec->target.node);
if (!RelationIsValid(reln))
return;
buffer = XLogReadBuffer(false, reln,
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
buffer = XLogReadBuffer(false, reln,
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
if (!BufferIsValid(buffer))
elog(STOP, "btree_insert_%sdo: block unfound", (redo) ? "re" : "un");
page = (Page) BufferGetPage(buffer);
@@ -825,11 +834,11 @@ btree_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
UnlockAndReleaseBuffer(buffer);
return;
}
if (PageAddItem(page, (Item)((char*)xlrec + SizeOfBtreeInsert),
record->xl_len - SizeOfBtreeInsert,
ItemPointerGetOffsetNumber(&(xlrec->target.tid)),
LP_USED) == InvalidOffsetNumber)
elog(STOP, "btree_insert_redo: failed to add item");
if (PageAddItem(page, (Item) ((char *) xlrec + SizeOfBtreeInsert),
record->xl_len - SizeOfBtreeInsert,
ItemPointerGetOffsetNumber(&(xlrec->target.tid)),
LP_USED) == InvalidOffsetNumber)
elog(STOP, "btree_insert_redo: failed to add item");
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID);
@@ -840,7 +849,7 @@ btree_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
if (XLByteLT(PageGetLSN(page), lsn))
elog(STOP, "btree_insert_undo: bad page LSN");
if (! P_ISLEAF(pageop))
if (!P_ISLEAF(pageop))
{
UnlockAndReleaseBuffer(buffer);
return;
@@ -855,14 +864,14 @@ btree_xlog_insert(bool redo, XLogRecPtr lsn, XLogRecord *record)
static void
btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_split *xlrec = (xl_btree_split*) XLogRecGetData(record);
Relation reln;
BlockNumber blkno;
Buffer buffer;
Page page;
BTPageOpaque pageop;
char *op = (redo) ? "redo" : "undo";
bool isleaf = (record->xl_info & XLOG_BTREE_LEAF);
xl_btree_split *xlrec = (xl_btree_split *) XLogRecGetData(record);
Relation reln;
BlockNumber blkno;
Buffer buffer;
Page page;
BTPageOpaque pageop;
char *op = (redo) ? "redo" : "undo";
bool isleaf = (record->xl_info & XLOG_BTREE_LEAF);
reln = XLogOpenRelation(redo, RM_BTREE_ID, xlrec->target.node);
if (!RelationIsValid(reln))
@@ -870,7 +879,7 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
/* Left (original) sibling */
blkno = (onleft) ? ItemPointerGetBlockNumber(&(xlrec->target.tid)) :
BlockIdGetBlockNumber(&(xlrec->otherblk));
BlockIdGetBlockNumber(&(xlrec->otherblk));
buffer = XLogReadBuffer(false, reln, blkno);
if (!BufferIsValid(buffer))
elog(STOP, "btree_split_%s: lost left sibling", op);
@@ -892,13 +901,14 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
pageop->btpo_next = ItemPointerGetBlockNumber(&(xlrec->target.tid));
pageop->btpo_flags = (isleaf) ? BTP_LEAF : 0;
_bt_restore_page(page, (char*)xlrec + SizeOfBtreeSplit, xlrec->leftlen);
_bt_restore_page(page, (char *) xlrec + SizeOfBtreeSplit, xlrec->leftlen);
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID);
UnlockAndWriteBuffer(buffer);
}
else /* undo */
else
/* undo */
{
if (XLByteLT(PageGetLSN(page), lsn))
elog(STOP, "btree_split_undo: bad left sibling LSN");
@@ -906,8 +916,8 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
}
/* Right (new) sibling */
blkno = (onleft) ? BlockIdGetBlockNumber(&(xlrec->otherblk)) :
ItemPointerGetBlockNumber(&(xlrec->target.tid));
blkno = (onleft) ? BlockIdGetBlockNumber(&(xlrec->otherblk)) :
ItemPointerGetBlockNumber(&(xlrec->target.tid));
buffer = XLogReadBuffer((redo) ? true : false, reln, blkno);
if (!BufferIsValid(buffer))
elog(STOP, "btree_split_%s: lost right sibling", op);
@@ -922,21 +932,22 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
if (redo)
{
pageop->btpo_parent = BlockIdGetBlockNumber(&(xlrec->parentblk));
pageop->btpo_prev = (onleft) ?
ItemPointerGetBlockNumber(&(xlrec->target.tid)) :
BlockIdGetBlockNumber(&(xlrec->otherblk));
pageop->btpo_prev = (onleft) ?
ItemPointerGetBlockNumber(&(xlrec->target.tid)) :
BlockIdGetBlockNumber(&(xlrec->otherblk));
pageop->btpo_next = BlockIdGetBlockNumber(&(xlrec->rightblk));
pageop->btpo_flags = (isleaf) ? BTP_LEAF : 0;
_bt_restore_page(page,
(char*)xlrec + SizeOfBtreeSplit + xlrec->leftlen,
record->xl_len - SizeOfBtreeSplit - xlrec->leftlen);
(char *) xlrec + SizeOfBtreeSplit + xlrec->leftlen,
record->xl_len - SizeOfBtreeSplit - xlrec->leftlen);
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID);
UnlockAndWriteBuffer(buffer);
}
else /* undo */
else
/* undo */
{
if (XLByteLT(PageGetLSN(page), lsn))
elog(STOP, "btree_split_undo: bad right sibling LSN");
@@ -965,9 +976,9 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
return;
}
pageop = (BTPageOpaque) PageGetSpecialPointer(page);
pageop->btpo_prev = (onleft) ?
BlockIdGetBlockNumber(&(xlrec->otherblk)) :
ItemPointerGetBlockNumber(&(xlrec->target.tid));
pageop->btpo_prev = (onleft) ?
BlockIdGetBlockNumber(&(xlrec->otherblk)) :
ItemPointerGetBlockNumber(&(xlrec->target.tid));
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID);
@@ -977,14 +988,14 @@ btree_xlog_split(bool redo, bool onleft, XLogRecPtr lsn, XLogRecord *record)
static void
btree_xlog_newroot(bool redo, XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_newroot *xlrec = (xl_btree_newroot*) XLogRecGetData(record);
Relation reln;
Buffer buffer;
Page page;
BTPageOpaque pageop;
Buffer metabuf;
Page metapg;
BTMetaPageData md;
xl_btree_newroot *xlrec = (xl_btree_newroot *) XLogRecGetData(record);
Relation reln;
Buffer buffer;
Page page;
BTPageOpaque pageop;
Buffer metabuf;
Page metapg;
BTMetaPageData md;
if (!redo)
return;
@@ -1011,8 +1022,8 @@ btree_xlog_newroot(bool redo, XLogRecPtr lsn, XLogRecord *record)
if (record->xl_len > SizeOfBtreeNewroot)
_bt_restore_page(page,
(char*)xlrec + SizeOfBtreeNewroot,
record->xl_len - SizeOfBtreeNewroot);
(char *) xlrec + SizeOfBtreeNewroot,
record->xl_len - SizeOfBtreeNewroot);
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID);
@@ -1037,7 +1048,7 @@ btree_xlog_newroot(bool redo, XLogRecPtr lsn, XLogRecord *record)
void
btree_redo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
uint8 info = record->xl_info & ~XLR_INFO_MASK;
info &= ~XLOG_BTREE_LEAF;
if (info == XLOG_BTREE_DELETE)
@@ -1045,9 +1056,9 @@ btree_redo(XLogRecPtr lsn, XLogRecord *record)
else if (info == XLOG_BTREE_INSERT)
btree_xlog_insert(true, lsn, record);
else if (info == XLOG_BTREE_SPLIT)
btree_xlog_split(true, false, lsn, record); /* new item on the right */
btree_xlog_split(true, false, lsn, record); /* new item on the right */
else if (info == XLOG_BTREE_SPLEFT)
btree_xlog_split(true, true, lsn, record); /* new item on the left */
btree_xlog_split(true, true, lsn, record); /* new item on the left */
else if (info == XLOG_BTREE_NEWROOT)
btree_xlog_newroot(true, lsn, record);
else
@@ -1057,7 +1068,7 @@ btree_redo(XLogRecPtr lsn, XLogRecord *record)
void
btree_undo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
uint8 info = record->xl_info & ~XLR_INFO_MASK;
info &= ~XLOG_BTREE_LEAF;
if (info == XLOG_BTREE_DELETE)
@@ -1065,9 +1076,9 @@ btree_undo(XLogRecPtr lsn, XLogRecord *record)
else if (info == XLOG_BTREE_INSERT)
btree_xlog_insert(false, lsn, record);
else if (info == XLOG_BTREE_SPLIT)
btree_xlog_split(false, false, lsn, record);/* new item on the right */
btree_xlog_split(false, false, lsn, record); /* new item on the right */
else if (info == XLOG_BTREE_SPLEFT)
btree_xlog_split(false, true, lsn, record); /* new item on the left */
btree_xlog_split(false, true, lsn, record); /* new item on the left */
else if (info == XLOG_BTREE_NEWROOT)
btree_xlog_newroot(false, lsn, record);
else
@@ -1078,45 +1089,49 @@ static void
out_target(char *buf, xl_btreetid *target)
{
sprintf(buf + strlen(buf), "node %u/%u; tid %u/%u",
target->node.tblNode, target->node.relNode,
ItemPointerGetBlockNumber(&(target->tid)),
ItemPointerGetOffsetNumber(&(target->tid)));
target->node.tblNode, target->node.relNode,
ItemPointerGetBlockNumber(&(target->tid)),
ItemPointerGetOffsetNumber(&(target->tid)));
}
void
btree_desc(char *buf, uint8 xl_info, char* rec)
btree_desc(char *buf, uint8 xl_info, char *rec)
{
uint8 info = xl_info & ~XLR_INFO_MASK;
uint8 info = xl_info & ~XLR_INFO_MASK;
info &= ~XLOG_BTREE_LEAF;
if (info == XLOG_BTREE_INSERT)
{
xl_btree_insert *xlrec = (xl_btree_insert*) rec;
xl_btree_insert *xlrec = (xl_btree_insert *) rec;
strcat(buf, "insert: ");
out_target(buf, &(xlrec->target));
}
else if (info == XLOG_BTREE_DELETE)
{
xl_btree_delete *xlrec = (xl_btree_delete*) rec;
xl_btree_delete *xlrec = (xl_btree_delete *) rec;
strcat(buf, "delete: ");
out_target(buf, &(xlrec->target));
}
else if (info == XLOG_BTREE_SPLIT || info == XLOG_BTREE_SPLEFT)
{
xl_btree_split *xlrec = (xl_btree_split*) rec;
sprintf(buf + strlen(buf), "split(%s): ",
(info == XLOG_BTREE_SPLIT) ? "right" : "left");
xl_btree_split *xlrec = (xl_btree_split *) rec;
sprintf(buf + strlen(buf), "split(%s): ",
(info == XLOG_BTREE_SPLIT) ? "right" : "left");
out_target(buf, &(xlrec->target));
sprintf(buf + strlen(buf), "; oth %u; rgh %u",
BlockIdGetBlockNumber(&xlrec->otherblk),
BlockIdGetBlockNumber(&xlrec->rightblk));
BlockIdGetBlockNumber(&xlrec->otherblk),
BlockIdGetBlockNumber(&xlrec->rightblk));
}
else if (info == XLOG_BTREE_NEWROOT)
{
xl_btree_newroot *xlrec = (xl_btree_newroot*) rec;
xl_btree_newroot *xlrec = (xl_btree_newroot *) rec;
sprintf(buf + strlen(buf), "root: node %u/%u; blk %u",
xlrec->node.tblNode, xlrec->node.relNode,
BlockIdGetBlockNumber(&xlrec->rootblk));
xlrec->node.tblNode, xlrec->node.relNode,
BlockIdGetBlockNumber(&xlrec->rootblk));
}
else
strcat(buf, "UNKNOWN");

93
src/backend/access/nbtree/nbtsearch.c
View File

@@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsearch.c,v 1.63 2001/01/24 19:42:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsearch.c,v 1.64 2001/03/22 03:59:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -32,20 +32,20 @@ static RetrieveIndexResult _bt_endpoint(IndexScanDesc scan, ScanDirection dir);
*
* NOTE that the returned buffer is read-locked regardless of the access
* parameter. However, access = BT_WRITE will allow an empty root page
* to be created and returned. When access = BT_READ, an empty index
* to be created and returned. When access = BT_READ, an empty index
* will result in *bufP being set to InvalidBuffer.
*/
BTStack
_bt_search(Relation rel, int keysz, ScanKey scankey,
Buffer *bufP, int access)
{
BTStack stack_in = NULL;
BTStack stack_in = NULL;
/* Get the root page to start with */
*bufP = _bt_getroot(rel, access);
/* If index is empty and access = BT_READ, no root page is created. */
if (! BufferIsValid(*bufP))
if (!BufferIsValid(*bufP))
return (BTStack) NULL;
/* Loop iterates once per level descended in the tree */
@@ -79,13 +79,13 @@ _bt_search(Relation rel, int keysz, ScanKey scankey,
par_blkno = BufferGetBlockNumber(*bufP);
/*
* We need to save the bit image of the index entry we chose in the
* parent page on a stack. In case we split the tree, we'll use this
* bit image to figure out what our real parent page is, in case the
* parent splits while we're working lower in the tree. See the paper
* by Lehman and Yao for how this is detected and handled. (We use the
* child link to disambiguate duplicate keys in the index -- Lehman
* and Yao disallow duplicate keys.)
* We need to save the bit image of the index entry we chose in
* the parent page on a stack. In case we split the tree, we'll
* use this bit image to figure out what our real parent page is,
* in case the parent splits while we're working lower in the
* tree. See the paper by Lehman and Yao for how this is detected
* and handled. (We use the child link to disambiguate duplicate
* keys in the index -- Lehman and Yao disallow duplicate keys.)
*/
new_stack = (BTStack) palloc(sizeof(BTStackData));
new_stack->bts_blkno = par_blkno;
@@ -98,9 +98,9 @@ _bt_search(Relation rel, int keysz, ScanKey scankey,
*bufP = _bt_getbuf(rel, blkno, BT_READ);
/*
* Race -- the page we just grabbed may have split since we read its
* pointer in the parent. If it has, we may need to move right to its
* new sibling. Do that.
* Race -- the page we just grabbed may have split since we read
* its pointer in the parent. If it has, we may need to move
* right to its new sibling. Do that.
*/
*bufP = _bt_moveright(rel, *bufP, keysz, scankey, BT_READ);
@@ -127,7 +127,7 @@ _bt_search(Relation rel, int keysz, ScanKey scankey,
*
* On entry, we have the buffer pinned and a lock of the proper type.
* If we move right, we release the buffer and lock and acquire the
* same on the right sibling. Return value is the buffer we stop at.
* same on the right sibling. Return value is the buffer we stop at.
*/
Buffer
_bt_moveright(Relation rel,
@@ -153,7 +153,7 @@ _bt_moveright(Relation rel,
_bt_compare(rel, keysz, scankey, page, P_HIKEY) > 0)
{
/* step right one page */
BlockNumber rblkno = opaque->btpo_next;
BlockNumber rblkno = opaque->btpo_next;
_bt_relbuf(rel, buf, access);
buf = _bt_getbuf(rel, rblkno, access);
@@ -184,7 +184,7 @@ _bt_moveright(Relation rel,
* find all leaf keys >= given scankey.
*
* This procedure is not responsible for walking right, it just examines
* the given page. _bt_binsrch() has no lock or refcount side effects
* the given page. _bt_binsrch() has no lock or refcount side effects
* on the buffer.
*/
OffsetNumber
@@ -299,7 +299,7 @@ _bt_compare(Relation rel,
* Force result ">" if target item is first data item on an internal
* page --- see NOTE above.
*/
if (! P_ISLEAF(opaque) && offnum == P_FIRSTDATAKEY(opaque))
if (!P_ISLEAF(opaque) && offnum == P_FIRSTDATAKEY(opaque))
return 1;
btitem = (BTItem) PageGetItem(page, PageGetItemId(page, offnum));
@@ -327,7 +327,7 @@ _bt_compare(Relation rel,
datum = index_getattr(itup, entry->sk_attno, itupdesc, &isNull);
/* see comments about NULLs handling in btbuild */
if (entry->sk_flags & SK_ISNULL) /* key is NULL */
if (entry->sk_flags & SK_ISNULL) /* key is NULL */
{
if (isNull)
result = 0; /* NULL "=" NULL */
@@ -458,10 +458,10 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
_bt_orderkeys(rel, so);
/*
* Quit now if _bt_orderkeys() discovered that the scan keys can
* never be satisfied (eg, x == 1 AND x > 2).
* Quit now if _bt_orderkeys() discovered that the scan keys can never
* be satisfied (eg, x == 1 AND x > 2).
*/
if (! so->qual_ok)
if (!so->qual_ok)
return (RetrieveIndexResult) NULL;
/*
@@ -484,17 +484,16 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
break;
strat = _bt_getstrat(rel, attno,
so->keyData[i].sk_procedure);
/*
* Can we use this key as a starting boundary for this attr?
*
* We can use multiple keys if they look like, say, = >= =
* but we have to stop after accepting a > or < boundary.
* We can use multiple keys if they look like, say, = >= = but we
* have to stop after accepting a > or < boundary.
*/
if (strat == strat_total ||
strat == BTEqualStrategyNumber)
{
nKeyIs[keysCount++] = i;
}
else if (ScanDirectionIsBackward(dir) &&
(strat == BTLessStrategyNumber ||
strat == BTLessEqualStrategyNumber))
@@ -536,7 +535,11 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
for (i = 0; i < keysCount; i++)
{
j = nKeyIs[i];
/* _bt_orderkeys disallows it, but it's place to add some code later */
/*
* _bt_orderkeys disallows it, but it's place to add some code
* later
*/
if (so->keyData[j].sk_flags & SK_ISNULL)
{
pfree(nKeyIs);
@@ -562,7 +565,7 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
/* don't need to keep the stack around... */
_bt_freestack(stack);
if (! BufferIsValid(buf))
if (!BufferIsValid(buf))
{
/* Only get here if index is completely empty */
ItemPointerSetInvalid(current);
@@ -601,6 +604,7 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
switch (strat_total)
{
case BTLessStrategyNumber:
/*
* Back up one to arrive at last item < scankey
*/
@@ -612,6 +616,7 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
break;
case BTLessEqualStrategyNumber:
/*
* We need to find the last item <= scankey, so step forward
* till we find one > scankey, then step back one.
@@ -645,9 +650,10 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
break;
case BTEqualStrategyNumber:
/*
* Make sure we are on the first equal item; might have to step
* forward if currently at end of page.
* Make sure we are on the first equal item; might have to
* step forward if currently at end of page.
*/
if (offnum > PageGetMaxOffsetNumber(page))
{
@@ -661,7 +667,8 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
}
result = _bt_compare(rel, keysCount, scankeys, page, offnum);
if (result != 0)
goto nomatches; /* no equal items! */
goto nomatches; /* no equal items! */
/*
* If a backward scan was specified, need to start with last
* equal item not first one.
@@ -685,6 +692,7 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
break;
case BTGreaterEqualStrategyNumber:
/*
* We want the first item >= scankey, which is where we are...
* unless we're not anywhere at all...
@@ -700,9 +708,10 @@ _bt_first(IndexScanDesc scan, ScanDirection dir)
break;
case BTGreaterStrategyNumber:
/*
* We want the first item > scankey, so make sure we are on
* an item and then step over any equal items.
* We want the first item > scankey, so make sure we are on an
* item and then step over any equal items.
*/
if (offnum > PageGetMaxOffsetNumber(page))
{
@@ -850,11 +859,12 @@ _bt_step(IndexScanDesc scan, Buffer *bufP, ScanDirection dir)
*bufP = _bt_getbuf(rel, blkno, BT_READ);
page = BufferGetPage(*bufP);
opaque = (BTPageOpaque) PageGetSpecialPointer(page);
/*
* If the adjacent page just split, then we have to walk
* right to find the block that's now adjacent to where
* we were. Because pages only split right, we don't have
* to worry about this failing to terminate.
* right to find the block that's now adjacent to where we
* were. Because pages only split right, we don't have to
* worry about this failing to terminate.
*/
while (opaque->btpo_next != obknum)
{
@@ -912,12 +922,12 @@ _bt_endpoint(IndexScanDesc scan, ScanDirection dir)
/*
* Scan down to the leftmost or rightmost leaf page. This is a
* simplified version of _bt_search(). We don't maintain a stack
* simplified version of _bt_search(). We don't maintain a stack
* since we know we won't need it.
*/
buf = _bt_getroot(rel, BT_READ);
if (! BufferIsValid(buf))
if (!BufferIsValid(buf))
{
/* empty index... */
ItemPointerSetInvalid(current);
@@ -981,7 +991,8 @@ _bt_endpoint(IndexScanDesc scan, ScanDirection dir)
Assert(P_RIGHTMOST(opaque));
start = PageGetMaxOffsetNumber(page);
if (start < P_FIRSTDATAKEY(opaque)) /* watch out for empty page */
if (start < P_FIRSTDATAKEY(opaque)) /* watch out for empty
* page */
start = P_FIRSTDATAKEY(opaque);
}
else
@@ -995,8 +1006,8 @@ _bt_endpoint(IndexScanDesc scan, ScanDirection dir)
so->btso_curbuf = buf;
/*
* Left/rightmost page could be empty due to deletions,
* if so step till we find a nonempty page.
* Left/rightmost page could be empty due to deletions, if so step
* till we find a nonempty page.
*/
if (start > maxoff)
{

103
src/backend/access/nbtree/nbtsort.c
View File

@@ -6,7 +6,7 @@
*
* We use tuplesort.c to sort the given index tuples into order.
* Then we scan the index tuples in order and build the btree pages
* for each level. We load source tuples into leaf-level pages.
* for each level. We load source tuples into leaf-level pages.
* Whenever we fill a page at one level, we add a link to it to its
* parent level (starting a new parent level if necessary). When
* done, we write out each final page on each level, adding it to
@@ -35,7 +35,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsort.c,v 1.59 2001/01/24 19:42:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsort.c,v 1.60 2001/03/22 03:59:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -57,7 +57,7 @@ struct BTSpool
};
/*
* Status record for a btree page being built. We have one of these
* Status record for a btree page being built. We have one of these
* for each active tree level.
*
* The reason we need to store a copy of the minimum key is that we'll
@@ -73,11 +73,13 @@ typedef struct BTPageState
{
Buffer btps_buf; /* current buffer & page */
Page btps_page;
BTItem btps_minkey; /* copy of minimum key (first item) on page */
BTItem btps_minkey; /* copy of minimum key (first item) on
* page */
OffsetNumber btps_lastoff; /* last item offset loaded */
int btps_level; /* tree level (0 = leaf) */
Size btps_full; /* "full" if less than this much free space */
struct BTPageState *btps_next; /* link to parent level, if any */
Size btps_full; /* "full" if less than this much free
* space */
struct BTPageState *btps_next; /* link to parent level, if any */
} BTPageState;
@@ -92,7 +94,7 @@ static void _bt_blnewpage(Relation index, Buffer *buf, Page *page, int flags);
static BTPageState *_bt_pagestate(Relation index, int flags, int level);
static void _bt_slideleft(Relation index, Buffer buf, Page page);
static void _bt_sortaddtup(Page page, Size itemsize,
BTItem btitem, OffsetNumber itup_off);
BTItem btitem, OffsetNumber itup_off);
static void _bt_buildadd(Relation index, BTPageState *state, BTItem bti);
static void _bt_uppershutdown(Relation index, BTPageState *state);
static void _bt_load(Relation index, BTSpool *btspool, BTSpool *btspool2);
@@ -162,7 +164,7 @@ _bt_leafbuild(BTSpool *btspool, BTSpool *btspool2)
ShowUsage();
ResetUsage();
}
#endif /* BTREE_BUILD_STATS */
#endif /* BTREE_BUILD_STATS */
tuplesort_performsort(btspool->sortstate);
if (btspool2)
@@ -269,9 +271,9 @@ _bt_sortaddtup(Page page,
OffsetNumber itup_off)
{
BTPageOpaque opaque = (BTPageOpaque) PageGetSpecialPointer(page);
BTItemData truncitem;
BTItemData truncitem;
if (! P_ISLEAF(opaque) && itup_off == P_FIRSTKEY)
if (!P_ISLEAF(opaque) && itup_off == P_FIRSTKEY)
{
memcpy(&truncitem, btitem, sizeof(BTItemData));
truncitem.bti_itup.t_info = sizeof(BTItemData);
@@ -290,7 +292,7 @@ _bt_sortaddtup(Page page,
* We must be careful to observe the page layout conventions of nbtsearch.c:
* - rightmost pages start data items at P_HIKEY instead of at P_FIRSTKEY.
* - on non-leaf pages, the key portion of the first item need not be
* stored, we should store only the link.
* stored, we should store only the link.
*
* A leaf page being built looks like:
*
@@ -347,11 +349,12 @@ _bt_buildadd(Relation index, BTPageState *state, BTItem bti)
*/
if (btisz > (PageGetPageSize(npage) - sizeof(PageHeaderData) - MAXALIGN(sizeof(BTPageOpaqueData))) / 3 - sizeof(ItemIdData))
elog(ERROR, "btree: index item size %lu exceeds maximum %ld",
(unsigned long)btisz,
(PageGetPageSize(npage) - sizeof(PageHeaderData) - MAXALIGN(sizeof(BTPageOpaqueData))) /3 - sizeof(ItemIdData));
(unsigned long) btisz,
(PageGetPageSize(npage) - sizeof(PageHeaderData) - MAXALIGN(sizeof(BTPageOpaqueData))) / 3 - sizeof(ItemIdData));
if (pgspc < btisz || pgspc < state->btps_full)
{
/*
* Item won't fit on this page, or we feel the page is full enough
* already. Finish off the page and write it out.
@@ -388,9 +391,9 @@ _bt_buildadd(Relation index, BTPageState *state, BTItem bti)
((PageHeader) opage)->pd_lower -= sizeof(ItemIdData);
/*
* Link the old buffer into its parent, using its minimum key.
* If we don't have a parent, we have to create one;
* this adds a new btree level.
* Link the old buffer into its parent, using its minimum key. If
* we don't have a parent, we have to create one; this adds a new
* btree level.
*/
if (state->btps_next == (BTPageState *) NULL)
{
@@ -405,8 +408,8 @@ _bt_buildadd(Relation index, BTPageState *state, BTItem bti)
/*
* Save a copy of the minimum key for the new page. We have to
* copy it off the old page, not the new one, in case we are
* not at leaf level.
* copy it off the old page, not the new one, in case we are not
* at leaf level.
*/
state->btps_minkey = _bt_formitem(&(obti->bti_itup));
@@ -414,13 +417,13 @@ _bt_buildadd(Relation index, BTPageState *state, BTItem bti)
* Set the sibling links for both pages, and parent links too.
*
* It's not necessary to set the parent link at all, because it's
* only used for handling concurrent root splits, but we may as well
* do it as a debugging aid. Note we set new page's link as well
* as old's, because if the new page turns out to be the last of
* the level, _bt_uppershutdown won't change it. The links may be
* out of date by the time the build finishes, but that's OK; they
* need only point to a left-sibling of the true parent. See the
* README file for more info.
* only used for handling concurrent root splits, but we may as
* well do it as a debugging aid. Note we set new page's link as
* well as old's, because if the new page turns out to be the last
* of the level, _bt_uppershutdown won't change it. The links may
* be out of date by the time the build finishes, but that's OK;
* they need only point to a left-sibling of the true parent. See
* the README file for more info.
*/
{
BTPageOpaque oopaque = (BTPageOpaque) PageGetSpecialPointer(opage);
@@ -434,7 +437,7 @@ _bt_buildadd(Relation index, BTPageState *state, BTItem bti)
}
/*
* Write out the old page. We never want to see it again, so we
* Write out the old page. We never want to see it again, so we
* can give up our lock (if we had one; most likely BuildingBtree
* is set, so we aren't locking).
*/
@@ -449,8 +452,8 @@ _bt_buildadd(Relation index, BTPageState *state, BTItem bti)
/*
* If the new item is the first for its page, stash a copy for later.
* Note this will only happen for the first item on a level; on later
* pages, the first item for a page is copied from the prior page
* in the code above.
* pages, the first item for a page is copied from the prior page in
* the code above.
*/
if (last_off == P_HIKEY)
{
@@ -493,8 +496,8 @@ _bt_uppershutdown(Relation index, BTPageState *state)
*
* If we're at the top, it's the root, so attach it to the metapage.
* Otherwise, add an entry for it to its parent using its minimum
* key. This may cause the last page of the parent level to split,
* but that's not a problem -- we haven't gotten to it yet.
* key. This may cause the last page of the parent level to
* split, but that's not a problem -- we haven't gotten to it yet.
*/
if (s->btps_next == (BTPageState *) NULL)
{
@@ -513,7 +516,7 @@ _bt_uppershutdown(Relation index, BTPageState *state)
/*
* This is the rightmost page, so the ItemId array needs to be
* slid back one slot. Then we can dump out the page.
* slid back one slot. Then we can dump out the page.
*/
_bt_slideleft(index, s->btps_buf, s->btps_page);
_bt_wrtbuf(index, s->btps_buf);
@@ -529,22 +532,29 @@ _bt_load(Relation index, BTSpool *btspool, BTSpool *btspool2)
{
BTPageState *state = NULL;
bool merge = (btspool2 != NULL);
BTItem bti, bti2 = NULL;
bool should_free, should_free2, load1;
BTItem bti,
bti2 = NULL;
bool should_free,
should_free2,
load1;
TupleDesc tupdes = RelationGetDescr(index);
int i, keysz = RelationGetNumberOfAttributes(index);
int i,
keysz = RelationGetNumberOfAttributes(index);
ScanKey indexScanKey = NULL;
if (merge)
{
/*
* Another BTSpool for dead tuples exists.
* Now we have to merge btspool and btspool2.
*/
ScanKey entry;
Datum attrDatum1, attrDatum2;
bool isFirstNull, isSecondNull;
int32 compare;
* Another BTSpool for dead tuples exists. Now we have to merge
* btspool and btspool2.
*/
ScanKey entry;
Datum attrDatum1,
attrDatum2;
bool isFirstNull,
isSecondNull;
int32 compare;
/* the preparation of merge */
bti = (BTItem) tuplesort_getindextuple(btspool->sortstate, true, &should_free);
@@ -552,7 +562,7 @@ _bt_load(Relation index, BTSpool *btspool, BTSpool *btspool2)
indexScanKey = _bt_mkscankey_nodata(index);
for (;;)
{
load1 = true; /* load BTSpool next ? */
load1 = true; /* load BTSpool next ? */
if (NULL == bti2)
{
if (NULL == bti)
@@ -564,8 +574,8 @@ _bt_load(Relation index, BTSpool *btspool, BTSpool *btspool2)
for (i = 1; i <= keysz; i++)
{
entry = indexScanKey + i - 1;
attrDatum1 = index_getattr((IndexTuple)bti, i, tupdes, &isFirstNull);
attrDatum2 = index_getattr((IndexTuple)bti2, i, tupdes, &isSecondNull);
attrDatum1 = index_getattr((IndexTuple) bti, i, tupdes, &isFirstNull);
attrDatum2 = index_getattr((IndexTuple) bti2, i, tupdes, &isSecondNull);
if (isFirstNull)
{
if (!isSecondNull)
@@ -586,7 +596,7 @@ _bt_load(Relation index, BTSpool *btspool, BTSpool *btspool2)
}
else if (compare < 0)
break;
}
}
}
}
else
@@ -613,7 +623,8 @@ _bt_load(Relation index, BTSpool *btspool, BTSpool *btspool2)
}
_bt_freeskey(indexScanKey);
}
else /* merge is unnecessary */
else
/* merge is unnecessary */
{
while (bti = (BTItem) tuplesort_getindextuple(btspool->sortstate, true, &should_free), bti != (BTItem) NULL)
{

49
src/backend/access/nbtree/nbtutils.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtutils.c,v 1.42 2001/01/24 19:42:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtutils.c,v 1.43 2001/03/22 03:59:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -124,7 +124,7 @@ _bt_freestack(BTStack stack)
* Construct a BTItem from a plain IndexTuple.
*
* This is now useless code, since a BTItem *is* an index tuple with
* no extra stuff. We hang onto it for the moment to preserve the
* no extra stuff. We hang onto it for the moment to preserve the
* notational distinction, in case we want to add some extra stuff
* again someday.
*/
@@ -165,7 +165,7 @@ _bt_formitem(IndexTuple itup)
* are "x = 1 AND y < 4 AND z < 5", then _bt_checkkeys will reject a tuple
* (1,2,7), but we must continue the scan in case there are tuples (1,3,z).
* But once we reach tuples like (1,4,z) we can stop scanning because no
* later tuples could match. This is reflected by setting
* later tuples could match. This is reflected by setting
* so->numberOfRequiredKeys to the number of leading keys that must be
* matched to continue the scan. numberOfRequiredKeys is equal to the
* number of leading "=" keys plus the key(s) for the first non "="
@@ -178,7 +178,7 @@ _bt_formitem(IndexTuple itup)
*
* XXX this routine is one of many places that fail to handle SK_COMMUTE
* scankeys properly. Currently, the planner is careful never to generate
* any indexquals that would require SK_COMMUTE to be set. Someday we ought
* any indexquals that would require SK_COMMUTE to be set. Someday we ought
* to try to fix this, though it's not real critical as long as indexable
* operators all have commutators...
*
@@ -191,7 +191,7 @@ _bt_formitem(IndexTuple itup)
void
_bt_orderkeys(Relation relation, BTScanOpaque so)
{
ScanKeyData xform[BTMaxStrategyNumber];
ScanKeyData xform[BTMaxStrategyNumber];
bool init[BTMaxStrategyNumber];
uint16 numberOfKeys = so->numberOfKeys;
ScanKey key;
@@ -240,14 +240,14 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
/*
* Initialize for processing of keys for attr 1.
*
* xform[i] holds a copy of the current scan key of strategy type i+1,
* if any; init[i] is TRUE if we have found such a key for this attr.
* xform[i] holds a copy of the current scan key of strategy type i+1, if
* any; init[i] is TRUE if we have found such a key for this attr.
*/
attno = 1;
map = IndexStrategyGetStrategyMap(RelationGetIndexStrategy(relation),
BTMaxStrategyNumber,
attno);
MemSet(xform, 0, sizeof(xform)); /* not really necessary */
MemSet(xform, 0, sizeof(xform)); /* not really necessary */
MemSet(init, 0, sizeof(init));
/*
@@ -255,7 +255,7 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
* pass to handle after-last-key processing. Actual exit from the
* loop is at the "break" statement below.
*/
for (i = 0; ; cur++, i++)
for (i = 0;; cur++, i++)
{
if (i < numberOfKeys)
{
@@ -263,7 +263,9 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
if (cur->sk_flags & SK_ISNULL)
{
so->qual_ok = false;
/* Quit processing so we don't try to invoke comparison
/*
* Quit processing so we don't try to invoke comparison
* routines on NULLs.
*/
return;
@@ -271,8 +273,8 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
}
/*
* If we are at the end of the keys for a particular attr,
* finish up processing and emit the cleaned-up keys.
* If we are at the end of the keys for a particular attr, finish
* up processing and emit the cleaned-up keys.
*/
if (i == numberOfKeys || cur->sk_attno != attno)
{
@@ -296,7 +298,7 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
eq = &xform[BTEqualStrategyNumber - 1];
for (j = BTMaxStrategyNumber; --j >= 0;)
{
if (! init[j] ||
if (!init[j] ||
j == (BTEqualStrategyNumber - 1))
continue;
chk = &xform[j];
@@ -313,6 +315,7 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
}
else
{
/*
* No "=" for this key, so we're done with required keys
*/
@@ -355,8 +358,8 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
* Emit the cleaned-up keys back into the key[] array in the
* correct order. Note we are overwriting our input here!
* It's OK because (a) xform[] is a physical copy of the keys
* we want, (b) we cannot emit more keys than we input, so
* we won't overwrite as-yet-unprocessed keys.
* we want, (b) we cannot emit more keys than we input, so we
* won't overwrite as-yet-unprocessed keys.
*/
for (j = BTMaxStrategyNumber; --j >= 0;)
{
@@ -383,7 +386,7 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
map = IndexStrategyGetStrategyMap(RelationGetIndexStrategy(relation),
BTMaxStrategyNumber,
attno);
MemSet(xform, 0, sizeof(xform)); /* not really necessary */
MemSet(xform, 0, sizeof(xform)); /* not really necessary */
MemSet(init, 0, sizeof(init));
}
@@ -409,7 +412,8 @@ _bt_orderkeys(Relation relation, BTScanOpaque so)
if (DatumGetBool(test))
xform[j].sk_argument = cur->sk_argument;
else if (j == (BTEqualStrategyNumber - 1))
so->qual_ok = false; /* key == a && key == b, but a != b */
so->qual_ok = false; /* key == a && key == b, but a !=
* b */
}
else
{
@@ -473,16 +477,18 @@ _bt_checkkeys(IndexScanDesc scan, IndexTuple tuple,
if (isNull)
{
/*
* Since NULLs are sorted after non-NULLs, we know we have
* reached the upper limit of the range of values for this
* index attr. On a forward scan, we can stop if this qual
* is one of the "must match" subset. On a backward scan,
* index attr. On a forward scan, we can stop if this qual is
* one of the "must match" subset. On a backward scan,
* however, we should keep going.
*/
if (keysok < so->numberOfRequiredKeys &&
ScanDirectionIsForward(dir))
*continuescan = false;
/*
* In any case, this indextuple doesn't match the qual.
*/
@@ -498,9 +504,10 @@ _bt_checkkeys(IndexScanDesc scan, IndexTuple tuple,
if (DatumGetBool(test) == !!(key->sk_flags & SK_NEGATE))
{
/*
* Tuple fails this qual. If it's a required qual, then
* we can conclude no further tuples will pass, either.
* Tuple fails this qual. If it's a required qual, then we
* can conclude no further tuples will pass, either.
*/
if (keysok < so->numberOfRequiredKeys)
*continuescan = false;

6
src/backend/access/rtree/rtget.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtget.c,v 1.24 2001/01/24 19:42:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtget.c,v 1.25 2001/03/22 03:59:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -30,8 +30,8 @@ static ItemPointer rtheapptr(Relation r, ItemPointer itemp);
Datum
rtgettuple(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
ScanDirection dir = (ScanDirection) PG_GETARG_INT32(1);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
ScanDirection dir = (ScanDirection) PG_GETARG_INT32(1);
RetrieveIndexResult res;
/* if we have it cached in the scan desc, just return the value */

19
src/backend/access/rtree/rtproc.c
View File

@@ -6,7 +6,7 @@
* NOTE: for largely-historical reasons, the intersection functions should
* return a NULL pointer (*not* an SQL null value) to indicate "no
* intersection". The size functions must be prepared to accept such
* a pointer and return 0. This convention means that only pass-by-reference
* a pointer and return 0. This convention means that only pass-by-reference
* data types can be used as the output of the union and intersection
* routines, but that's not a big problem.
*
@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtproc.c,v 1.31 2001/01/24 19:42:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtproc.c,v 1.32 2001/03/22 03:59:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -70,6 +70,7 @@ Datum
rt_box_size(PG_FUNCTION_ARGS)
{
BOX *a = PG_GETARG_BOX_P(0);
/* NB: size is an output argument */
float *size = (float *) PG_GETARG_POINTER(1);
@@ -98,8 +99,8 @@ rt_bigbox_size(PG_FUNCTION_ARGS)
Datum
rt_poly_union(PG_FUNCTION_ARGS)
{
POLYGON *a = PG_GETARG_POLYGON_P(0);
POLYGON *b = PG_GETARG_POLYGON_P(1);
POLYGON *a = PG_GETARG_POLYGON_P(0);
POLYGON *b = PG_GETARG_POLYGON_P(1);
POLYGON *p;
p = (POLYGON *) palloc(sizeof(POLYGON));
@@ -122,8 +123,8 @@ rt_poly_union(PG_FUNCTION_ARGS)
Datum
rt_poly_inter(PG_FUNCTION_ARGS)
{
POLYGON *a = PG_GETARG_POLYGON_P(0);
POLYGON *b = PG_GETARG_POLYGON_P(1);
POLYGON *a = PG_GETARG_POLYGON_P(0);
POLYGON *b = PG_GETARG_POLYGON_P(1);
POLYGON *p;
p = (POLYGON *) palloc(sizeof(POLYGON));
@@ -155,13 +156,15 @@ Datum
rt_poly_size(PG_FUNCTION_ARGS)
{
Pointer aptr = PG_GETARG_POINTER(0);
/* NB: size is an output argument */
float *size = (float *) PG_GETARG_POINTER(1);
POLYGON *a;
POLYGON *a;
double xdim,
ydim;
/* Can't just use GETARG because of possibility that input is NULL;
/*
* Can't just use GETARG because of possibility that input is NULL;
* since POLYGON is toastable, GETARG will try to inspect its value
*/
if (aptr == NULL)

111
src/backend/access/rtree/rtree.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtree.c,v 1.60 2001/03/07 21:20:26 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtree.c,v 1.61 2001/03/22 03:59:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -68,12 +68,12 @@ static InsertIndexResult rtdoinsert(Relation r, IndexTuple itup,
static void rttighten(Relation r, RTSTACK *stk, Datum datum, int att_size,
RTSTATE *rtstate);
static InsertIndexResult rtdosplit(Relation r, Buffer buffer, RTSTACK *stack,
IndexTuple itup, RTSTATE *rtstate);
IndexTuple itup, RTSTATE *rtstate);
static void rtintinsert(Relation r, RTSTACK *stk, IndexTuple ltup,
IndexTuple rtup, RTSTATE *rtstate);
static void rtnewroot(Relation r, IndexTuple lt, IndexTuple rt);
static void rtpicksplit(Relation r, Page page, SPLITVEC *v, IndexTuple itup,
RTSTATE *rtstate);
RTSTATE *rtstate);
static void RTInitBuffer(Buffer b, uint32 f);
static OffsetNumber choose(Relation r, Page p, IndexTuple it,
RTSTATE *rtstate);
@@ -84,12 +84,14 @@ static void initRtstate(RTSTATE *rtstate, Relation index);
Datum
rtbuild(PG_FUNCTION_ARGS)
{
Relation heap = (Relation) PG_GETARG_POINTER(0);
Relation index = (Relation) PG_GETARG_POINTER(1);
IndexInfo *indexInfo = (IndexInfo *) PG_GETARG_POINTER(2);
Node *oldPred = (Node *) PG_GETARG_POINTER(3);
Relation heap = (Relation) PG_GETARG_POINTER(0);
Relation index = (Relation) PG_GETARG_POINTER(1);
IndexInfo *indexInfo = (IndexInfo *) PG_GETARG_POINTER(2);
Node *oldPred = (Node *) PG_GETARG_POINTER(3);
#ifdef NOT_USED
IndexStrategy istrat = (IndexStrategy) PG_GETARG_POINTER(4);
IndexStrategy istrat = (IndexStrategy) PG_GETARG_POINTER(4);
#endif
HeapScanDesc hscan;
HeapTuple htup;
@@ -101,9 +103,11 @@ rtbuild(PG_FUNCTION_ARGS)
int nhtups,
nitups;
Node *pred = indexInfo->ii_Predicate;
#ifndef OMIT_PARTIAL_INDEX
TupleTable tupleTable;
TupleTableSlot *slot;
#endif
ExprContext *econtext;
InsertIndexResult res = NULL;
@@ -171,6 +175,7 @@ rtbuild(PG_FUNCTION_ARGS)
nhtups++;
#ifndef OMIT_PARTIAL_INDEX
/*
* If oldPred != NULL, this is an EXTEND INDEX command, so skip
* this tuple if it was already in the existing partial index
@@ -232,9 +237,7 @@ rtbuild(PG_FUNCTION_ARGS)
#ifndef OMIT_PARTIAL_INDEX
if (pred != NULL || oldPred != NULL)
{
ExecDropTupleTable(tupleTable, true);
}
#endif /* OMIT_PARTIAL_INDEX */
FreeExprContext(econtext);
@@ -278,12 +281,14 @@ rtbuild(PG_FUNCTION_ARGS)
Datum
rtinsert(PG_FUNCTION_ARGS)
{
Relation r = (Relation) PG_GETARG_POINTER(0);
Datum *datum = (Datum *) PG_GETARG_POINTER(1);
char *nulls = (char *) PG_GETARG_POINTER(2);
ItemPointer ht_ctid = (ItemPointer) PG_GETARG_POINTER(3);
Relation r = (Relation) PG_GETARG_POINTER(0);
Datum *datum = (Datum *) PG_GETARG_POINTER(1);
char *nulls = (char *) PG_GETARG_POINTER(2);
ItemPointer ht_ctid = (ItemPointer) PG_GETARG_POINTER(3);
#ifdef NOT_USED
Relation heapRel = (Relation) PG_GETARG_POINTER(4);
Relation heapRel = (Relation) PG_GETARG_POINTER(4);
#endif
InsertIndexResult res;
IndexTuple itup;
@@ -412,7 +417,7 @@ rttighten(Relation r,
p = BufferGetPage(b);
oldud = IndexTupleGetDatum(PageGetItem(p,
PageGetItemId(p, stk->rts_child)));
PageGetItemId(p, stk->rts_child)));
FunctionCall2(&rtstate->sizeFn, oldud,
PointerGetDatum(&old_size));
@@ -564,7 +569,7 @@ rtdosplit(Relation r,
res = (InsertIndexResult) palloc(sizeof(InsertIndexResultData));
/* now insert the new index tuple */
if (*spl_left == maxoff+1)
if (*spl_left == maxoff + 1)
{
if (PageAddItem(left, (Item) itup, IndexTupleSize(itup),
leftoff, LP_USED) == InvalidOffsetNumber)
@@ -576,7 +581,7 @@ rtdosplit(Relation r,
}
else
{
Assert(*spl_right == maxoff+1);
Assert(*spl_right == maxoff + 1);
if (PageAddItem(right, (Item) itup, IndexTupleSize(itup),
rightoff, LP_USED) == InvalidOffsetNumber)
elog(ERROR, "rtdosplit: failed to add index item to %s",
@@ -665,10 +670,10 @@ rtintinsert(Relation r,
old = (IndexTuple) PageGetItem(p, PageGetItemId(p, stk->rts_child));
/*
* This is a hack. Right now, we force rtree internal keys to be constant
* size. To fix this, need delete the old key and add both left and
* right for the two new pages. The insertion of left may force a
* split if the new left key is bigger than the old key.
* This is a hack. Right now, we force rtree internal keys to be
* constant size. To fix this, need delete the old key and add both
* left and right for the two new pages. The insertion of left may
* force a split if the new left key is bigger than the old key.
*/
if (IndexTupleSize(old) != IndexTupleSize(ltup))
@@ -734,7 +739,7 @@ rtnewroot(Relation r, IndexTuple lt, IndexTuple rt)
* We return two vectors of index item numbers, one for the items to be
* put on the left page, one for the items to be put on the right page.
* In addition, the item to be added (itup) is listed in the appropriate
* vector. It is represented by item number N+1 (N = # of items on page).
* vector. It is represented by item number N+1 (N = # of items on page).
*
* Both vectors appear in sequence order with a terminating sentinel value
* of InvalidOffsetNumber.
@@ -747,9 +752,9 @@ rtnewroot(Relation r, IndexTuple lt, IndexTuple rt)
*
* We must also deal with a consideration not found in Guttman's algorithm:
* variable-length data. In particular, the incoming item might be
* large enough that not just any split will work. In the worst case,
* large enough that not just any split will work. In the worst case,
* our "split" may have to be the new item on one page and all the existing
* items on the other. Short of that, we have to take care that we do not
* items on the other. Short of that, we have to take care that we do not
* make a split that leaves both pages too full for the new item.
*/
static void
@@ -794,9 +799,10 @@ rtpicksplit(Relation r,
right_avail_space;
/*
* First, make sure the new item is not so large that we can't possibly
* fit it on a page, even by itself. (It's sufficient to make this test
* here, since any oversize tuple must lead to a page split attempt.)
* First, make sure the new item is not so large that we can't
* possibly fit it on a page, even by itself. (It's sufficient to
* make this test here, since any oversize tuple must lead to a page
* split attempt.)
*/
newitemsz = IndexTupleTotalSize(itup);
if (newitemsz > RTPageAvailSpace)
@@ -804,7 +810,8 @@ rtpicksplit(Relation r,
(unsigned long) newitemsz, (unsigned long) RTPageAvailSpace);
maxoff = PageGetMaxOffsetNumber(page);
newitemoff = OffsetNumberNext(maxoff); /* phony index for new item */
newitemoff = OffsetNumberNext(maxoff); /* phony index for new
* item */
/* Make arrays big enough for worst case, including sentinel */
nbytes = (maxoff + 2) * sizeof(OffsetNumber);
@@ -827,8 +834,8 @@ rtpicksplit(Relation r,
item_2_sz = IndexTupleTotalSize(item_2);
/*
* Ignore seed pairs that don't leave room for the new item
* on either split page.
* Ignore seed pairs that don't leave room for the new item on
* either split page.
*/
if (newitemsz + item_1_sz > RTPageAvailSpace &&
newitemsz + item_2_sz > RTPageAvailSpace)
@@ -841,8 +848,10 @@ rtpicksplit(Relation r,
PointerGetDatum(&size_union));
inter_d = FunctionCall2(&rtstate->interFn,
datum_alpha, datum_beta);
/* The interFn may return a NULL pointer (not an SQL null!)
* to indicate no intersection. sizeFn must cope with this.
/*
* The interFn may return a NULL pointer (not an SQL null!) to
* indicate no intersection. sizeFn must cope with this.
*/
FunctionCall2(&rtstate->sizeFn, inter_d,
PointerGetDatum(&size_inter));
@@ -869,6 +878,7 @@ rtpicksplit(Relation r,
if (firsttime)
{
/*
* There is no possible split except to put the new item on its
* own page. Since we still have to compute the union rectangles,
@@ -916,14 +926,14 @@ rtpicksplit(Relation r,
for (i = FirstOffsetNumber; i <= newitemoff; i = OffsetNumberNext(i))
{
bool left_feasible,
right_feasible,
choose_left;
bool left_feasible,
right_feasible,
choose_left;
/*
* If we've already decided where to place this item, just put it
* on the correct list. Otherwise, we need to figure out which page
* needs the least enlargement in order to store the item.
* on the correct list. Otherwise, we need to figure out which
* page needs the least enlargement in order to store the item.
*/
if (i == seed_1)
@@ -961,12 +971,13 @@ rtpicksplit(Relation r,
PointerGetDatum(&size_beta));
/*
* We prefer the page that shows smaller enlargement of its union area
* (Guttman's algorithm), but we must take care that at least one page
* will still have room for the new item after this one is added.
* We prefer the page that shows smaller enlargement of its union
* area (Guttman's algorithm), but we must take care that at least
* one page will still have room for the new item after this one
* is added.
*
* (We know that all the old items together can fit on one page,
* so we need not worry about any other problem than failing to fit
* (We know that all the old items together can fit on one page, so
* we need not worry about any other problem than failing to fit
* the new item.)
*/
left_feasible = (left_avail_space >= item_1_sz &&
@@ -987,7 +998,7 @@ rtpicksplit(Relation r,
else
{
elog(ERROR, "rtpicksplit: failed to find a workable page split");
choose_left = false; /* keep compiler quiet */
choose_left = false;/* keep compiler quiet */
}
if (choose_left)
@@ -1012,7 +1023,7 @@ rtpicksplit(Relation r,
}
}
*left = *right = InvalidOffsetNumber; /* add ending sentinels */
*left = *right = InvalidOffsetNumber; /* add ending sentinels */
v->spl_ldatum = datum_l;
v->spl_rdatum = datum_r;
@@ -1096,8 +1107,8 @@ freestack(RTSTACK *s)
Datum
rtdelete(PG_FUNCTION_ARGS)
{
Relation r = (Relation) PG_GETARG_POINTER(0);
ItemPointer tid = (ItemPointer) PG_GETARG_POINTER(1);
Relation r = (Relation) PG_GETARG_POINTER(0);
ItemPointer tid = (ItemPointer) PG_GETARG_POINTER(1);
BlockNumber blkno;
OffsetNumber offnum;
Buffer buf;
@@ -1203,14 +1214,14 @@ rtree_redo(XLogRecPtr lsn, XLogRecord *record)
{
elog(STOP, "rtree_redo: unimplemented");
}
void
rtree_undo(XLogRecPtr lsn, XLogRecord *record)
{
elog(STOP, "rtree_undo: unimplemented");
}
void
rtree_desc(char *buf, uint8 xl_info, char* rec)
rtree_desc(char *buf, uint8 xl_info, char *rec)
{
}

14
src/backend/access/rtree/rtscan.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtscan.c,v 1.35 2001/01/24 19:42:50 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtscan.c,v 1.36 2001/03/22 03:59:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -75,9 +75,9 @@ rtbeginscan(PG_FUNCTION_ARGS)
Datum
rtrescan(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
bool fromEnd = PG_GETARG_BOOL(1);
ScanKey key = (ScanKey) PG_GETARG_POINTER(2);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
bool fromEnd = PG_GETARG_BOOL(1);
ScanKey key = (ScanKey) PG_GETARG_POINTER(2);
RTreeScanOpaque p;
RegProcedure internal_proc;
int i;
@@ -162,7 +162,7 @@ rtrescan(PG_FUNCTION_ARGS)
Datum
rtmarkpos(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
RTreeScanOpaque p;
RTSTACK *o,
*n,
@@ -198,7 +198,7 @@ rtmarkpos(PG_FUNCTION_ARGS)
Datum
rtrestrpos(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
RTreeScanOpaque p;
RTSTACK *o,
*n,
@@ -234,7 +234,7 @@ rtrestrpos(PG_FUNCTION_ARGS)
Datum
rtendscan(PG_FUNCTION_ARGS)
{
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
IndexScanDesc s = (IndexScanDesc) PG_GETARG_POINTER(0);
RTreeScanOpaque p;
p = (RTreeScanOpaque) s->opaque;

34
src/backend/access/transam/rmgr.c
View File

@@ -9,21 +9,21 @@
#include "storage/smgr.h"
#include "commands/sequence.h"
RmgrData RmgrTable[] = {
{"XLOG", xlog_redo, xlog_undo, xlog_desc},
{"Transaction", xact_redo, xact_undo, xact_desc},
{"Storage", smgr_redo, smgr_undo, smgr_desc},
{"Reserved 3", NULL, NULL, NULL},
{"Reserved 4", NULL, NULL, NULL},
{"Reserved 5", NULL, NULL, NULL},
{"Reserved 6", NULL, NULL, NULL},
{"Reserved 7", NULL, NULL, NULL},
{"Reserved 8", NULL, NULL, NULL},
{"Reserved 9", NULL, NULL, NULL},
{"Heap", heap_redo, heap_undo, heap_desc},
{"Btree", btree_redo, btree_undo, btree_desc},
{"Hash", hash_redo, hash_undo, hash_desc},
{"Rtree", rtree_redo, rtree_undo, rtree_desc},
{"Gist", gist_redo, gist_undo, gist_desc},
{"Sequence", seq_redo, seq_undo, seq_desc}
RmgrData RmgrTable[] = {
{"XLOG", xlog_redo, xlog_undo, xlog_desc},
{"Transaction", xact_redo, xact_undo, xact_desc},
{"Storage", smgr_redo, smgr_undo, smgr_desc},
{"Reserved 3", NULL, NULL, NULL},
{"Reserved 4", NULL, NULL, NULL},
{"Reserved 5", NULL, NULL, NULL},
{"Reserved 6", NULL, NULL, NULL},
{"Reserved 7", NULL, NULL, NULL},
{"Reserved 8", NULL, NULL, NULL},
{"Reserved 9", NULL, NULL, NULL},
{"Heap", heap_redo, heap_undo, heap_desc},
{"Btree", btree_redo, btree_undo, btree_desc},
{"Hash", hash_redo, hash_undo, hash_desc},
{"Rtree", rtree_redo, rtree_undo, rtree_desc},
{"Gist", gist_redo, gist_undo, gist_desc},
{"Sequence", seq_redo, seq_undo, seq_desc}
};

6
src/backend/access/transam/transam.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/transam.c,v 1.41 2001/03/18 20:18:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/transam.c,v 1.42 2001/03/22 03:59:17 momjian Exp $
*
* NOTES
* This file contains the high level access-method interface to the
@@ -427,8 +427,8 @@ InitializeTransactionLog(void)
TransactionLogUpdate(AmiTransactionId, XID_COMMIT);
TransactionIdStore(AmiTransactionId, &cachedTestXid);
cachedTestXidStatus = XID_COMMIT;
Assert(!IsUnderPostmaster &&
ShmemVariableCache->nextXid <= FirstTransactionId);
Assert(!IsUnderPostmaster &&
ShmemVariableCache->nextXid <= FirstTransactionId);
ShmemVariableCache->nextXid = FirstTransactionId;
}
else if (RecoveryCheckingEnabled())

6
src/backend/access/transam/transsup.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/Attic/transsup.c,v 1.28 2001/01/24 19:42:51 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/Attic/transsup.c,v 1.29 2001/03/22 03:59:17 momjian Exp $
*
* NOTES
* This file contains support functions for the high
@@ -186,7 +186,7 @@ TransBlockGetXidStatus(Block tblock,
bits8 bit2;
BitIndex offset;
tblock = (Block) ((char*) tblock + sizeof(XLogRecPtr));
tblock = (Block) ((char *) tblock + sizeof(XLogRecPtr));
/* ----------------
* calculate the index into the transaction data where
@@ -229,7 +229,7 @@ TransBlockSetXidStatus(Block tblock,
Index index;
BitIndex offset;
tblock = (Block) ((char*) tblock + sizeof(XLogRecPtr));
tblock = (Block) ((char *) tblock + sizeof(XLogRecPtr));
/* ----------------
* calculate the index into the transaction data where

31
src/backend/access/transam/varsup.c
View File

@@ -6,7 +6,7 @@
* Copyright (c) 2000, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.37 2001/03/18 20:18:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.38 2001/03/22 03:59:17 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -23,8 +23,8 @@
#define VAR_OID_PREFETCH 8192
/* Spinlocks for serializing generation of XIDs and OIDs, respectively */
SPINLOCK XidGenLockId;
SPINLOCK OidGenLockId;
SPINLOCK XidGenLockId;
SPINLOCK OidGenLockId;
/* pointer to "variable cache" in shared memory (set up by shmem.c) */
VariableCache ShmemVariableCache = NULL;
@@ -32,9 +32,10 @@ VariableCache ShmemVariableCache = NULL;
void
GetNewTransactionId(TransactionId *xid)
{
/*
* During bootstrap initialization, we return the special
* bootstrap transaction id.
* During bootstrap initialization, we return the special bootstrap
* transaction id.
*/
if (AMI_OVERRIDE)
{
@@ -60,9 +61,10 @@ GetNewTransactionId(TransactionId *xid)
void
ReadNewTransactionId(TransactionId *xid)
{
/*
* During bootstrap initialization, we return the special
* bootstrap transaction id.
* During bootstrap initialization, we return the special bootstrap
* transaction id.
*/
if (AMI_OVERRIDE)
{
@@ -80,7 +82,7 @@ ReadNewTransactionId(TransactionId *xid)
* ----------------------------------------------------------------
*/
static Oid lastSeenOid = InvalidOid;
static Oid lastSeenOid = InvalidOid;
void
GetNewObjectId(Oid *oid_return)
@@ -119,10 +121,10 @@ CheckMaxObjectId(Oid assigned_oid)
}
/* If we are in the logged oid range, just bump nextOid up */
if (assigned_oid <= ShmemVariableCache->nextOid +
ShmemVariableCache->oidCount - 1)
if (assigned_oid <= ShmemVariableCache->nextOid +
ShmemVariableCache->oidCount - 1)
{
ShmemVariableCache->oidCount -=
ShmemVariableCache->oidCount -=
assigned_oid - ShmemVariableCache->nextOid + 1;
ShmemVariableCache->nextOid = assigned_oid + 1;
SpinRelease(OidGenLockId);
@@ -130,10 +132,9 @@ CheckMaxObjectId(Oid assigned_oid)
}
/*
* We have exceeded the logged oid range.
* We should lock the database and kill all other backends
* but we are loading oid's that we can not guarantee are unique
* anyway, so we must rely on the user.
* We have exceeded the logged oid range. We should lock the database
* and kill all other backends but we are loading oid's that we can
* not guarantee are unique anyway, so we must rely on the user.
*/
XLogPutNextOid(assigned_oid + VAR_OID_PREFETCH);

98
src/backend/access/transam/xact.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.99 2001/03/13 01:17:05 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.100 2001/03/22 03:59:18 momjian Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
@@ -222,9 +222,10 @@ int DefaultXactIsoLevel = XACT_READ_COMMITTED;
int XactIsoLevel;
int CommitDelay = 0; /* precommit delay in microseconds */
int CommitSiblings = 5; /* number of concurrent xacts needed to sleep */
int CommitSiblings = 5; /* number of concurrent xacts needed to
* sleep */
static void (*_RollbackFunc)(void*) = NULL;
static void (*_RollbackFunc) (void *) = NULL;
static void *_RollbackData = NULL;
/* ----------------
@@ -666,39 +667,40 @@ RecordTransactionCommit()
if (MyLastRecPtr.xrecoff != 0)
{
XLogRecData rdata;
xl_xact_commit xlrec;
XLogRecPtr recptr;
XLogRecData rdata;
xl_xact_commit xlrec;
XLogRecPtr recptr;
BufmgrCommit();
xlrec.xtime = time(NULL);
rdata.buffer = InvalidBuffer;
rdata.data = (char *)(&xlrec);
rdata.data = (char *) (&xlrec);
rdata.len = SizeOfXactCommit;
rdata.next = NULL;
START_CRIT_SECTION();
/*
* SHOULD SAVE ARRAY OF RELFILENODE-s TO DROP
*/
recptr = XLogInsert(RM_XACT_ID, XLOG_XACT_COMMIT, &rdata);
/*
* Sleep before commit! So we can flush more than one
* commit records per single fsync. (The idea is some other
* backend may do the XLogFlush while we're sleeping. This
* needs work still, because on most Unixen, the minimum
* select() delay is 10msec or more, which is way too long.)
/*
* Sleep before commit! So we can flush more than one commit
* records per single fsync. (The idea is some other backend may
* do the XLogFlush while we're sleeping. This needs work still,
* because on most Unixen, the minimum select() delay is 10msec or
* more, which is way too long.)
*
* We do not sleep if enableFsync is not turned on, nor if there
* are fewer than CommitSiblings other backends with active
* We do not sleep if enableFsync is not turned on, nor if there are
* fewer than CommitSiblings other backends with active
* transactions.
*/
if (CommitDelay > 0 && enableFsync &&
CountActiveBackends() >= CommitSiblings)
{
struct timeval delay;
struct timeval delay;
delay.tv_sec = 0;
delay.tv_usec = CommitDelay;
@@ -812,13 +814,13 @@ RecordTransactionAbort(void)
*/
if (MyLastRecPtr.xrecoff != 0 && !TransactionIdDidCommit(xid))
{
XLogRecData rdata;
xl_xact_abort xlrec;
XLogRecPtr recptr;
XLogRecData rdata;
xl_xact_abort xlrec;
XLogRecPtr recptr;
xlrec.xtime = time(NULL);
rdata.buffer = InvalidBuffer;
rdata.data = (char *)(&xlrec);
rdata.data = (char *) (&xlrec);
rdata.len = SizeOfXactAbort;
rdata.next = NULL;
@@ -879,7 +881,7 @@ AtAbort_Memory(void)
{
/* ----------------
* Make sure we are in a valid context (not a child of
* TransactionCommandContext...). Note that it is possible
* TransactionCommandContext...). Note that it is possible
* for this code to be called when we aren't in a transaction
* at all; go directly to TopMemoryContext in that case.
* ----------------
@@ -896,9 +898,7 @@ AtAbort_Memory(void)
MemoryContextResetAndDeleteChildren(TransactionCommandContext);
}
else
{
MemoryContextSwitchTo(TopMemoryContext);
}
}
@@ -1021,6 +1021,7 @@ CurrentXactInProgress(void)
{
return CurrentTransactionState->state == TRANS_INPROGRESS;
}
#endif
/* --------------------------------
@@ -1106,7 +1107,7 @@ CommitTransaction(void)
AtCommit_Memory();
AtEOXact_Files();
SharedBufferChanged = false; /* safest place to do it */
SharedBufferChanged = false;/* safest place to do it */
/* ----------------
* done with commit processing, set current transaction
@@ -1143,15 +1144,16 @@ AbortTransaction(void)
/*
* Release any spinlocks or buffer context locks we might be holding
* as quickly as possible. (Real locks, however, must be held till
* we finish aborting.) Releasing spinlocks is critical since we
* might try to grab them again while cleaning up!
* as quickly as possible. (Real locks, however, must be held till we
* finish aborting.) Releasing spinlocks is critical since we might
* try to grab them again while cleaning up!
*/
ProcReleaseSpins(NULL);
UnlockBuffers();
/*
* Also clean up any open wait for lock, since the lock manager
* will choke if we try to wait for another lock before doing this.
* Also clean up any open wait for lock, since the lock manager will
* choke if we try to wait for another lock before doing this.
*/
LockWaitCancel();
@@ -1203,7 +1205,7 @@ AbortTransaction(void)
AtEOXact_Files();
AtAbort_Locks();
SharedBufferChanged = false; /* safest place to do it */
SharedBufferChanged = false;/* safest place to do it */
/* ----------------
* State remains TRANS_ABORT until CleanupTransaction().
@@ -1327,8 +1329,8 @@ StartTransactionCommand(void)
}
/*
* We must switch to TransactionCommandContext before returning.
* This is already done if we called StartTransaction, otherwise not.
* We must switch to TransactionCommandContext before returning. This
* is already done if we called StartTransaction, otherwise not.
*/
Assert(TransactionCommandContext != NULL);
MemoryContextSwitchTo(TransactionCommandContext);
@@ -1757,7 +1759,7 @@ IsTransactionBlock(void)
void
xact_redo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
uint8 info = record->xl_info & ~XLR_INFO_MASK;
if (info == XLOG_XACT_COMMIT)
{
@@ -1765,9 +1767,7 @@ xact_redo(XLogRecPtr lsn, XLogRecord *record)
/* SHOULD REMOVE FILES OF ALL DROPPED RELATIONS */
}
else if (info == XLOG_XACT_ABORT)
{
TransactionIdAbort(record->xl_xid);
}
else
elog(STOP, "xact_redo: unknown op code %u", info);
}
@@ -1775,43 +1775,43 @@ xact_redo(XLogRecPtr lsn, XLogRecord *record)
void
xact_undo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
uint8 info = record->xl_info & ~XLR_INFO_MASK;
if (info == XLOG_XACT_COMMIT) /* shouldn't be called by XLOG */
if (info == XLOG_XACT_COMMIT) /* shouldn't be called by XLOG */
elog(STOP, "xact_undo: can't undo committed xaction");
else if (info != XLOG_XACT_ABORT)
elog(STOP, "xact_redo: unknown op code %u", info);
}
void
xact_desc(char *buf, uint8 xl_info, char* rec)
xact_desc(char *buf, uint8 xl_info, char *rec)
{
uint8 info = xl_info & ~XLR_INFO_MASK;
uint8 info = xl_info & ~XLR_INFO_MASK;
if (info == XLOG_XACT_COMMIT)
{
xl_xact_commit *xlrec = (xl_xact_commit*) rec;
struct tm *tm = localtime(&xlrec->xtime);
xl_xact_commit *xlrec = (xl_xact_commit *) rec;
struct tm *tm = localtime(&xlrec->xtime);
sprintf(buf + strlen(buf), "commit: %04u-%02u-%02u %02u:%02u:%02u",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
}
else if (info == XLOG_XACT_ABORT)
{
xl_xact_abort *xlrec = (xl_xact_abort*) rec;
struct tm *tm = localtime(&xlrec->xtime);
xl_xact_abort *xlrec = (xl_xact_abort *) rec;
struct tm *tm = localtime(&xlrec->xtime);
sprintf(buf + strlen(buf), "abort: %04u-%02u-%02u %02u:%02u:%02u",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
}
else
strcat(buf, "UNKNOWN");
}
void
XactPushRollback(void (*func) (void *), void* data)
XactPushRollback(void (*func) (void *), void *data)
{
#ifdef XLOG_II
if (_RollbackFunc != NULL)

7
src/backend/access/transam/xid.c
View File

@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: xid.c,v 1.29 2001/01/24 19:42:51 momjian Exp $
* $Id: xid.c,v 1.30 2001/03/22 03:59:18 momjian Exp $
*
* OLD COMMENTS
* XXX WARNING
@@ -26,8 +26,8 @@
/*
* TransactionId is typedef'd as uint32, so...
*/
#define PG_GETARG_TRANSACTIONID(n) PG_GETARG_UINT32(n)
#define PG_RETURN_TRANSACTIONID(x) PG_RETURN_UINT32(x)
#define PG_GETARG_TRANSACTIONID(n) PG_GETARG_UINT32(n)
#define PG_RETURN_TRANSACTIONID(x) PG_RETURN_UINT32(x)
extern TransactionId NullTransactionId;
@@ -49,6 +49,7 @@ Datum
xidout(PG_FUNCTION_ARGS)
{
TransactionId transactionId = PG_GETARG_TRANSACTIONID(0);
/* maximum 32 bit unsigned integer representation takes 10 chars */
char *representation = palloc(11);

643
src/backend/access/transam/xlog.c
View File

File diff suppressed because it is too large Load Diff

143
src/backend/access/transam/xlogutils.c
View File

@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlogutils.c,v 1.14 2001/03/13 01:17:05 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlogutils.c,v 1.15 2001/03/22 03:59:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -37,26 +37,26 @@
* xaction/command and return
*
* - -1 if not
* - 0 if there is no tuple at all
* - 1 if yes
* - 0 if there is no tuple at all
* - 1 if yes
*/
int
XLogIsOwnerOfTuple(RelFileNode hnode, ItemPointer iptr,
TransactionId xid, CommandId cid)
XLogIsOwnerOfTuple(RelFileNode hnode, ItemPointer iptr,
TransactionId xid, CommandId cid)
{
Relation reln;
Buffer buffer;
Page page;
ItemId lp;
HeapTupleHeader htup;
Relation reln;
Buffer buffer;
Page page;
ItemId lp;
HeapTupleHeader htup;
reln = XLogOpenRelation(false, RM_HEAP_ID, hnode);
if (!RelationIsValid(reln))
return(0);
return (0);
buffer = ReadBuffer(reln, ItemPointerGetBlockNumber(iptr));
if (!BufferIsValid(buffer))
return(0);
return (0);
LockBuffer(buffer, BUFFER_LOCK_SHARE);
page = (Page) BufferGetPage(buffer);
@@ -64,13 +64,13 @@ XLogIsOwnerOfTuple(RelFileNode hnode, ItemPointer iptr,
ItemPointerGetOffsetNumber(iptr) > PageGetMaxOffsetNumber(page))
{
UnlockAndReleaseBuffer(buffer);
return(0);
return (0);
}
lp = PageGetItemId(page, ItemPointerGetOffsetNumber(iptr));
if (!ItemIdIsUsed(lp) || ItemIdDeleted(lp))
{
UnlockAndReleaseBuffer(buffer);
return(0);
return (0);
}
htup = (HeapTupleHeader) PageGetItem(page, lp);
@@ -79,11 +79,11 @@ XLogIsOwnerOfTuple(RelFileNode hnode, ItemPointer iptr,
if (htup->t_xmin != xid || htup->t_cmin != cid)
{
UnlockAndReleaseBuffer(buffer);
return(-1);
return (-1);
}
UnlockAndReleaseBuffer(buffer);
return(1);
return (1);
}
/*
@@ -95,19 +95,19 @@ XLogIsOwnerOfTuple(RelFileNode hnode, ItemPointer iptr,
bool
XLogIsValidTuple(RelFileNode hnode, ItemPointer iptr)
{
Relation reln;
Buffer buffer;
Page page;
ItemId lp;
HeapTupleHeader htup;
Relation reln;
Buffer buffer;
Page page;
ItemId lp;
HeapTupleHeader htup;
reln = XLogOpenRelation(false, RM_HEAP_ID, hnode);
if (!RelationIsValid(reln))
return(false);
return (false);
buffer = ReadBuffer(reln, ItemPointerGetBlockNumber(iptr));
if (!BufferIsValid(buffer))
return(false);
return (false);
LockBuffer(buffer, BUFFER_LOCK_SHARE);
page = (Page) BufferGetPage(buffer);
@@ -115,21 +115,21 @@ XLogIsValidTuple(RelFileNode hnode, ItemPointer iptr)
ItemPointerGetOffsetNumber(iptr) > PageGetMaxOffsetNumber(page))
{
UnlockAndReleaseBuffer(buffer);
return(false);
return (false);
}
if (PageGetSUI(page) != ThisStartUpID)
{
Assert(PageGetSUI(page) < ThisStartUpID);
UnlockAndReleaseBuffer(buffer);
return(true);
return (true);
}
lp = PageGetItemId(page, ItemPointerGetOffsetNumber(iptr));
if (!ItemIdIsUsed(lp) || ItemIdDeleted(lp))
{
UnlockAndReleaseBuffer(buffer);
return(false);
return (false);
}
htup = (HeapTupleHeader) PageGetItem(page, lp);
@@ -140,22 +140,22 @@ XLogIsValidTuple(RelFileNode hnode, ItemPointer iptr)
{
if (htup->t_infomask & HEAP_XMIN_INVALID ||
(htup->t_infomask & HEAP_MOVED_IN &&
TransactionIdDidAbort((TransactionId)htup->t_cmin)) ||
TransactionIdDidAbort((TransactionId) htup->t_cmin)) ||
TransactionIdDidAbort(htup->t_xmin))
{
UnlockAndReleaseBuffer(buffer);
return(false);
return (false);
}
}
UnlockAndReleaseBuffer(buffer);
return(true);
return (true);
}
/*
* Open pg_log in recovery
*/
extern Relation LogRelation; /* pg_log relation */
extern Relation LogRelation; /* pg_log relation */
void
XLogOpenLogRelation(void)
@@ -189,32 +189,32 @@ XLogOpenLogRelation(void)
Buffer
XLogReadBuffer(bool extend, Relation reln, BlockNumber blkno)
{
BlockNumber lastblock = RelationGetNumberOfBlocks(reln);
BlockNumber lastblock = RelationGetNumberOfBlocks(reln);
Buffer buffer;
if (blkno >= lastblock)
{
buffer = InvalidBuffer;
if (extend) /* we do this in recovery only - no locks */
if (extend) /* we do this in recovery only - no locks */
{
Assert(InRecovery);
while (lastblock <= blkno)
{
if (buffer != InvalidBuffer)
ReleaseBuffer(buffer); /* must be WriteBuffer()? */
ReleaseBuffer(buffer); /* must be WriteBuffer()? */
buffer = ReadBuffer(reln, P_NEW);
lastblock++;
}
}
if (buffer != InvalidBuffer)
LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE);
return(buffer);
return (buffer);
}
buffer = ReadBuffer(reln, blkno);
if (buffer != InvalidBuffer)
LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE);
return(buffer);
return (buffer);
}
/*
@@ -223,32 +223,33 @@ XLogReadBuffer(bool extend, Relation reln, BlockNumber blkno)
typedef struct XLogRelDesc
{
RelationData reldata;
struct XLogRelDesc *lessRecently;
struct XLogRelDesc *moreRecently;
RelationData reldata;
struct XLogRelDesc *lessRecently;
struct XLogRelDesc *moreRecently;
} XLogRelDesc;
typedef struct XLogRelCacheEntry
{
RelFileNode rnode;
XLogRelDesc *rdesc;
RelFileNode rnode;
XLogRelDesc *rdesc;
} XLogRelCacheEntry;
static HTAB *_xlrelcache;
static XLogRelDesc *_xlrelarr = NULL;
static Form_pg_class _xlpgcarr = NULL;
static int _xlast = 0;
static int _xlcnt = 0;
#define _XLOG_RELCACHESIZE 512
static HTAB *_xlrelcache;
static XLogRelDesc *_xlrelarr = NULL;
static Form_pg_class _xlpgcarr = NULL;
static int _xlast = 0;
static int _xlcnt = 0;
#define _XLOG_RELCACHESIZE 512
static void
_xl_init_rel_cache(void)
{
HASHCTL ctl;
HASHCTL ctl;
_xlcnt = _XLOG_RELCACHESIZE;
_xlast = 0;
_xlrelarr = (XLogRelDesc*) malloc(sizeof(XLogRelDesc) * _xlcnt);
_xlrelarr = (XLogRelDesc *) malloc(sizeof(XLogRelDesc) * _xlcnt);
memset(_xlrelarr, 0, sizeof(XLogRelDesc) * _xlcnt);
_xlpgcarr = (Form_pg_class) malloc(sizeof(FormData_pg_class) * _xlcnt);
memset(_xlpgcarr, 0, sizeof(FormData_pg_class) * _xlcnt);
@@ -258,26 +259,26 @@ _xl_init_rel_cache(void)
memset(&ctl, 0, (int) sizeof(ctl));
ctl.keysize = sizeof(RelFileNode);
ctl.datasize = sizeof(XLogRelDesc*);
ctl.datasize = sizeof(XLogRelDesc *);
ctl.hash = tag_hash;
_xlrelcache = hash_create(_XLOG_RELCACHESIZE, &ctl,
HASH_ELEM | HASH_FUNCTION);
HASH_ELEM | HASH_FUNCTION);
}
static void
_xl_remove_hash_entry(XLogRelDesc **edata, Datum dummy)
{
XLogRelCacheEntry *hentry;
bool found;
XLogRelDesc *rdesc = *edata;
Form_pg_class tpgc = rdesc->reldata.rd_rel;
XLogRelCacheEntry *hentry;
bool found;
XLogRelDesc *rdesc = *edata;
Form_pg_class tpgc = rdesc->reldata.rd_rel;
rdesc->lessRecently->moreRecently = rdesc->moreRecently;
rdesc->moreRecently->lessRecently = rdesc->lessRecently;
hentry = (XLogRelCacheEntry*) hash_search(_xlrelcache,
(char*)&(rdesc->reldata.rd_node), HASH_REMOVE, &found);
hentry = (XLogRelCacheEntry *) hash_search(_xlrelcache,
(char *) &(rdesc->reldata.rd_node), HASH_REMOVE, &found);
if (hentry == NULL)
elog(STOP, "_xl_remove_hash_entry: can't delete from cache");
@@ -294,16 +295,16 @@ _xl_remove_hash_entry(XLogRelDesc **edata, Datum dummy)
return;
}
static XLogRelDesc*
static XLogRelDesc *
_xl_new_reldesc(void)
{
XLogRelDesc *res;
XLogRelDesc *res;
_xlast++;
if (_xlast < _xlcnt)
{
_xlrelarr[_xlast].reldata.rd_rel = &(_xlpgcarr[_xlast]);
return(&(_xlrelarr[_xlast]));
return (&(_xlrelarr[_xlast]));
}
/* reuse */
@@ -312,7 +313,7 @@ _xl_new_reldesc(void)
_xl_remove_hash_entry(&res, 0);
_xlast--;
return(res);
return (res);
}
@@ -344,12 +345,12 @@ XLogCloseRelationCache(void)
Relation
XLogOpenRelation(bool redo, RmgrId rmid, RelFileNode rnode)
{
XLogRelDesc *res;
XLogRelCacheEntry *hentry;
bool found;
XLogRelDesc *res;
XLogRelCacheEntry *hentry;
bool found;
hentry = (XLogRelCacheEntry*)
hash_search(_xlrelcache, (char*)&rnode, HASH_FIND, &found);
hentry = (XLogRelCacheEntry *)
hash_search(_xlrelcache, (char *) &rnode, HASH_FIND, &found);
if (hentry == NULL)
elog(STOP, "XLogOpenRelation: error in cache");
@@ -372,8 +373,8 @@ XLogOpenRelation(bool redo, RmgrId rmid, RelFileNode rnode)
res->reldata.rd_lockInfo.lockRelId.relId = rnode.relNode;
res->reldata.rd_node = rnode;
hentry = (XLogRelCacheEntry*)
hash_search(_xlrelcache, (char*)&rnode, HASH_ENTER, &found);
hentry = (XLogRelCacheEntry *)
hash_search(_xlrelcache, (char *) &rnode, HASH_ENTER, &found);
if (hentry == NULL)
elog(STOP, "XLogOpenRelation: can't insert into cache");
@@ -385,7 +386,7 @@ XLogOpenRelation(bool redo, RmgrId rmid, RelFileNode rnode)
res->reldata.rd_fd = -1;
res->reldata.rd_fd = smgropen(DEFAULT_SMGR, &(res->reldata),
true /* allow failure */);
true /* allow failure */ );
}
res->moreRecently = &(_xlrelarr[0]);
@@ -393,8 +394,8 @@ XLogOpenRelation(bool redo, RmgrId rmid, RelFileNode rnode)
_xlrelarr[0].lessRecently = res;
res->lessRecently->moreRecently = res;
if (res->reldata.rd_fd < 0) /* file doesn't exist */
return(NULL);
if (res->reldata.rd_fd < 0) /* file doesn't exist */
return (NULL);
return(&(res->reldata));
return (&(res->reldata));
}