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New HeapTuple structure/interface.

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This commit is contained in:
Vadim B. Mikheev
1998-11-27 19:52:36 +00:00
parent 2435c7d501
commit 6beba218d7
65 changed files with 834 additions and 850 deletions
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12
src/backend/commands/async.c
View File

@@ -6,7 +6,7 @@
* Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/async.c,v 1.41 1998/10/06 02:39:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/async.c,v 1.42 1998/11/27 19:51:53 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -321,7 +321,7 @@ Async_Unlisten(char *relname, int pid)
{
lRel = heap_openr(ListenerRelationName);
RelationSetLockForWrite(lRel);
heap_delete(lRel, &lTuple->t_ctid);
heap_delete(lRel, &lTuple->t_self);
RelationUnsetLockForWrite(lRel);
heap_close(lRel);
}
@@ -369,7 +369,7 @@ Async_UnlistenAll()
sRel = heap_beginscan(lRel, 0, SnapshotNow, 1, key);
while (HeapTupleIsValid(lTuple = heap_getnext(sRel, 0)))
heap_delete(lRel, &lTuple->t_ctid);
heap_delete(lRel, &lTuple->t_self);
heap_endscan(sRel);
RelationUnsetLockForWrite(lRel);
@@ -516,7 +516,7 @@ AtCommit_Notify()
* but as far as I can see we should just do it for any
* failure (certainly at least for EPERM too...)
*/
heap_delete(lRel, &lTuple->t_ctid);
heap_delete(lRel, &lTuple->t_self);
}
else
#endif
@@ -527,7 +527,7 @@ AtCommit_Notify()
{
rTuple = heap_modifytuple(lTuple, lRel,
value, nulls, repl);
heap_replace(lRel, &lTuple->t_ctid, rTuple);
heap_replace(lRel, &lTuple->t_self, rTuple);
}
}
}
@@ -772,7 +772,7 @@ ProcessIncomingNotify(void)
NotifyMyFrontEnd(relname, sourcePID);
/* Rewrite the tuple with 0 in notification column */
rTuple = heap_modifytuple(lTuple, lRel, value, nulls, repl);
heap_replace(lRel, &lTuple->t_ctid, rTuple);
heap_replace(lRel, &lTuple->t_self, rTuple);
}
}
heap_endscan(sRel);

25
src/backend/commands/cluster.c
View File

@@ -14,7 +14,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/cluster.c,v 1.32 1998/09/23 04:22:01 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/cluster.c,v 1.33 1998/11/27 19:51:54 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -330,15 +330,14 @@ copy_index(Oid OIDOldIndex, Oid OIDNewHeap)
static void
rebuildheap(Oid OIDNewHeap, Oid OIDOldHeap, Oid OIDOldIndex)
{
Relation LocalNewHeap,
LocalOldHeap,
LocalOldIndex;
IndexScanDesc ScanDesc;
RetrieveIndexResult ScanResult;
ItemPointer HeapTid;
HeapTuple LocalHeapTuple;
Buffer LocalBuffer;
Oid OIDNewHeapInsert;
Relation LocalNewHeap,
LocalOldHeap,
LocalOldIndex;
IndexScanDesc ScanDesc;
RetrieveIndexResult ScanResult;
HeapTupleData LocalHeapTuple;
Buffer LocalBuffer;
Oid OIDNewHeapInsert;
/*
* Open the relations I need. Scan through the OldHeap on the OldIndex
@@ -353,10 +352,10 @@ rebuildheap(Oid OIDNewHeap, Oid OIDOldHeap, Oid OIDOldIndex)
while ((ScanResult = index_getnext(ScanDesc, ForwardScanDirection)) != NULL)
{
HeapTid = &ScanResult->heap_iptr;
LocalHeapTuple = heap_fetch(LocalOldHeap, SnapshotNow, HeapTid, &LocalBuffer);
LocalHeapTuple.t_self = ScanResult->heap_iptr;
heap_fetch(LocalOldHeap, SnapshotNow, &LocalHeapTuple, &LocalBuffer);
OIDNewHeapInsert =
heap_insert(LocalNewHeap, LocalHeapTuple);
heap_insert(LocalNewHeap, &LocalHeapTuple);
pfree(ScanResult);
ReleaseBuffer(LocalBuffer);
}

10
src/backend/commands/command.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.32 1998/09/01 04:27:46 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.33 1998/11/27 19:51:54 vadim Exp $
*
* NOTES
* The PortalExecutorHeapMemory crap needs to be eliminated
@@ -405,7 +405,7 @@ PerformAddAttribute(char *relationName,
if (hasindex)
CatalogOpenIndices(Num_pg_attr_indices, Name_pg_attr_indices, idescs);
attributeD.attrelid = reltup->t_oid;
attributeD.attrelid = reltup->t_data->t_oid;
attributeTuple = heap_addheader(Natts_pg_attribute,
sizeof attributeD,
@@ -422,7 +422,7 @@ PerformAddAttribute(char *relationName,
int attnelems;
tup = SearchSysCacheTuple(ATTNAME,
ObjectIdGetDatum(reltup->t_oid),
ObjectIdGetDatum(reltup->t_data->t_oid),
PointerGetDatum(colDef->colname),
0, 0);
@@ -456,7 +456,7 @@ PerformAddAttribute(char *relationName,
if (!HeapTupleIsValid(typeTuple))
elog(ERROR, "Add: type \"%s\" nonexistent", typename);
namestrcpy(&(attribute->attname), colDef->colname);
attribute->atttypid = typeTuple->t_oid;
attribute->atttypid = typeTuple->t_data->t_oid;
attribute->attlen = form->typlen;
attributeD.attdisbursion = 0;
attribute->attcacheoff = -1;
@@ -482,7 +482,7 @@ PerformAddAttribute(char *relationName,
heap_close(attrdesc);
((Form_pg_class) GETSTRUCT(reltup))->relnatts = maxatts;
heap_replace(rel, &reltup->t_ctid, reltup);
heap_replace(rel, &reltup->t_self, reltup);
/* keep catalog indices current */
CatalogOpenIndices(Num_pg_class_indices, Name_pg_class_indices, ridescs);

27
src/backend/commands/copy.c
View File

@@ -6,7 +6,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.63 1998/10/26 00:59:21 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.64 1998/11/27 19:51:54 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -277,7 +277,7 @@ CopyTo(Relation rel, bool binary, bool oids, FILE *fp, char *delim)
if (oids && !binary)
{
fputs(oidout(tuple->t_oid), fp);
fputs(oidout(tuple->t_data->t_oid), fp);
fputc(delim[0], fp);
}
@@ -331,10 +331,10 @@ CopyTo(Relation rel, bool binary, bool oids, FILE *fp, char *delim)
null_ct++;
}
length = tuple->t_len - tuple->t_hoff;
length = tuple->t_len - tuple->t_data->t_hoff;
fwrite(&length, sizeof(int32), 1, fp);
if (oids)
fwrite((char *) &tuple->t_oid, sizeof(int32), 1, fp);
fwrite((char *) &tuple->t_data->t_oid, sizeof(int32), 1, fp);
fwrite(&null_ct, sizeof(int32), 1, fp);
if (null_ct > 0)
@@ -348,7 +348,8 @@ CopyTo(Relation rel, bool binary, bool oids, FILE *fp, char *delim)
}
}
}
fwrite((char *) tuple + tuple->t_hoff, length, 1, fp);
fwrite((char *) tuple->t_data + tuple->t_data->t_hoff,
length, 1, fp);
}
}
@@ -678,7 +679,7 @@ CopyFrom(Relation rel, bool binary, bool oids, FILE *fp, char *delim)
*/
tuple = heap_formtuple(tupDesc, values, nulls);
if (oids)
tuple->t_oid = loaded_oid;
tuple->t_data->t_oid = loaded_oid;
skip_tuple = false;
/* BEFORE ROW INSERT Triggers */
@@ -706,17 +707,7 @@ CopyFrom(Relation rel, bool binary, bool oids, FILE *fp, char *delim)
*/
if (rel->rd_att->constr)
{
HeapTuple newtuple;
newtuple = ExecConstraints("CopyFrom", rel, tuple);
if (newtuple != tuple)
{
pfree(tuple);
tuple = newtuple;
}
}
ExecConstraints("CopyFrom", rel, tuple);
heap_insert(rel, tuple);
@@ -746,7 +737,7 @@ CopyFrom(Relation rel, bool binary, bool oids, FILE *fp, char *delim)
index_nulls,
finfoP[i]);
indexRes = index_insert(index_rels[i], idatum, index_nulls,
&(tuple->t_ctid), rel);
&(tuple->t_self), rel);
if (indexRes)
pfree(indexRes);
}

10
src/backend/commands/creatinh.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/creatinh.c,v 1.35 1998/10/01 22:45:29 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/creatinh.c,v 1.36 1998/11/27 19:51:55 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -409,11 +409,11 @@ StoreCatalogInheritance(Oid relationId, List *supers)
/*
* build idList for use below
*/
idList = lappendi(idList, tuple->t_oid);
idList = lappendi(idList, tuple->t_data->t_oid);
datum[0] = ObjectIdGetDatum(relationId); /* inhrel */
datum[1] = ObjectIdGetDatum(tuple->t_oid); /* inhparent */
datum[2] = Int16GetDatum(seqNumber); /* inhseqno */
datum[0] = ObjectIdGetDatum(relationId); /* inhrel */
datum[1] = ObjectIdGetDatum(tuple->t_data->t_oid); /* inhparent */
datum[2] = Int16GetDatum(seqNumber); /* inhseqno */
nullarr[0] = ' ';
nullarr[1] = ' ';

4
src/backend/commands/dbcommands.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.25 1998/10/05 02:49:36 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.26 1998/11/27 19:51:56 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -251,7 +251,7 @@ check_permissions(char *command,
Anum_pg_database_datdba,
RelationGetDescr(dbrel),
(char *) NULL);
*dbIdP = dbtup->t_oid;
*dbIdP = dbtup->t_data->t_oid;
dbtext = (text *) heap_getattr(dbtup,
Anum_pg_database_datpath,
RelationGetDescr(dbrel),

16
src/backend/commands/defind.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/defind.c,v 1.27 1998/09/23 04:22:03 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/defind.c,v 1.28 1998/11/27 19:51:56 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -105,7 +105,7 @@ DefineIndex(char *heapRelationName,
elog(ERROR, "DefineIndex: %s relation not found",
heapRelationName);
}
relationId = tuple->t_oid;
relationId = tuple->t_data->t_oid;
if (unique && strcmp(accessMethodName, "btree") != 0)
elog(ERROR, "DefineIndex: unique indices are only available with the btree access method");
@@ -124,7 +124,7 @@ DefineIndex(char *heapRelationName,
elog(ERROR, "DefineIndex: %s access method not found",
accessMethodName);
}
accessMethodId = tuple->t_oid;
accessMethodId = tuple->t_data->t_oid;
/*
@@ -250,7 +250,7 @@ ExtendIndex(char *indexRelationName, Expr *predicate, List *rangetable)
elog(ERROR, "ExtendIndex: %s index not found",
indexRelationName);
}
indexId = tuple->t_oid;
indexId = tuple->t_data->t_oid;
accessMethodId = ((Form_pg_class) GETSTRUCT(tuple))->relam;
/*
@@ -336,7 +336,7 @@ ExtendIndex(char *indexRelationName, Expr *predicate, List *rangetable)
namecpy(&(funcInfo->funcName),
&(((Form_pg_proc) GETSTRUCT(tuple))->proname));
FIsetProcOid(funcInfo, tuple->t_oid);
FIsetProcOid(funcInfo, tuple->t_data->t_oid);
}
heapRelation = heap_open(relationId);
@@ -429,7 +429,7 @@ FuncIndexArgs(IndexElem *funcIndex,
elog(ERROR, "DefineIndex: %s class not found",
funcIndex->class);
}
*opOidP = tuple->t_oid;
*opOidP = tuple->t_data->t_oid;
MemSet(argTypes, 0, 8 * sizeof(Oid));
@@ -531,7 +531,7 @@ NormIndexAttrs(List *attList, /* list of IndexElem's */
elog(ERROR, "DefineIndex: %s class not found",
attribute->class);
}
*classOidP++ = tuple->t_oid;
*classOidP++ = tuple->t_data->t_oid;
pfree(atttuple);
}
}
@@ -578,5 +578,5 @@ RemoveIndex(char *name)
((Form_pg_class) GETSTRUCT(tuple))->relkind);
}
index_destroy(tuple->t_oid);
index_destroy(tuple->t_data->t_oid);
}

4
src/backend/commands/proclang.c
View File

@@ -118,7 +118,7 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
values[i++] = PointerGetDatum(languageName);
values[i++] = Int8GetDatum((bool) 1);
values[i++] = Int8GetDatum(stmt->pltrusted);
values[i++] = ObjectIdGetDatum(procTup->t_oid);
values[i++] = ObjectIdGetDatum(procTup->t_data->t_oid);
values[i++] = (Datum) fmgr(F_TEXTIN, stmt->plcompiler);
rel = heap_openr(LanguageRelationName);
@@ -174,7 +174,7 @@ DropProceduralLanguage(DropPLangStmt *stmt)
}
rel = heap_openr(LanguageRelationName);
heap_delete(rel, &langTup->t_ctid);
heap_delete(rel, &langTup->t_self);
pfree(langTup);
heap_close(rel);

22
src/backend/commands/remove.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/remove.c,v 1.29 1998/09/01 04:27:57 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/remove.c,v 1.30 1998/11/27 19:51:57 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -97,12 +97,12 @@ RemoveOperator(char *operatorName, /* operator name */
#ifndef NO_SECURITY
userName = GetPgUserName();
if (!pg_ownercheck(userName,
(char *) ObjectIdGetDatum(tup->t_oid),
(char *) ObjectIdGetDatum(tup->t_data->t_oid),
OPROID))
elog(ERROR, "RemoveOperator: operator '%s': permission denied",
operatorName);
#endif
heap_delete(relation, &tup->t_ctid);
heap_delete(relation, &tup->t_self);
}
else
{
@@ -157,7 +157,7 @@ SingleOpOperatorRemove(Oid typeOid)
key[0].sk_attno = attnums[i];
scan = heap_beginscan(rel, 0, SnapshotNow, 1, key);
while (HeapTupleIsValid(tup = heap_getnext(scan, 0)))
heap_delete(rel, &tup->t_ctid);
heap_delete(rel, &tup->t_self);
heap_endscan(scan);
}
heap_close(rel);
@@ -267,8 +267,8 @@ RemoveType(char *typeName) /* type name to be removed */
}
relation = heap_openr(TypeRelationName);
typeOid = tup->t_oid;
heap_delete(relation, &tup->t_ctid);
typeOid = tup->t_data->t_oid;
heap_delete(relation, &tup->t_self);
/* Now, Delete the "array of" that type */
shadow_type = makeArrayTypeName(typeName);
@@ -281,8 +281,8 @@ RemoveType(char *typeName) /* type name to be removed */
elog(ERROR, "RemoveType: type '%s' does not exist", typeName);
}
typeOid = tup->t_oid;
heap_delete(relation, &tup->t_ctid);
typeOid = tup->t_data->t_oid;
heap_delete(relation, &tup->t_self);
heap_close(relation);
}
@@ -325,7 +325,7 @@ RemoveFunction(char *functionName, /* function name to be removed */
if (!HeapTupleIsValid(tup))
elog(ERROR, "RemoveFunction: type '%s' not found", typename);
argList[i] = tup->t_oid;
argList[i] = tup->t_data->t_oid;
}
}
@@ -357,7 +357,7 @@ RemoveFunction(char *functionName, /* function name to be removed */
elog(ERROR, "RemoveFunction: function \"%s\" is built-in", functionName);
}
heap_delete(relation, &tup->t_ctid);
heap_delete(relation, &tup->t_self);
heap_close(relation);
}
@@ -428,7 +428,7 @@ RemoveAggregate(char *aggName, char *aggType)
aggName);
}
}
heap_delete(relation, &tup->t_ctid);
heap_delete(relation, &tup->t_self);
heap_close(relation);
}

10
src/backend/commands/rename.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/rename.c,v 1.17 1998/09/01 04:27:59 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/rename.c,v 1.18 1998/11/27 19:51:57 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -113,7 +113,7 @@ renameatt(char *relname,
if (!HeapTupleIsValid(reltup))
elog(ERROR, "renameatt: unknown relation: \"%s\"", relname);
myrelid = reltup->t_oid;
myrelid = reltup->t_data->t_oid;
/* this routine is actually in the planner */
children = find_all_inheritors(lconsi(myrelid, NIL), NIL);
@@ -153,7 +153,7 @@ renameatt(char *relname,
if (!HeapTupleIsValid(reltup))
elog(ERROR, "renameatt: relation \"%s\" nonexistent", relname);
relid = reltup->t_oid;
relid = reltup->t_data->t_oid;
oldatttup = SearchSysCacheTupleCopy(ATTNAME,
ObjectIdGetDatum(relid),
@@ -180,7 +180,7 @@ renameatt(char *relname,
newattname, NAMEDATALEN);
attrelation = heap_openr(AttributeRelationName);
heap_replace(attrelation, &oldatttup->t_ctid, oldatttup);
heap_replace(attrelation, &oldatttup->t_self, oldatttup);
/* keep system catalog indices current */
CatalogOpenIndices(Num_pg_attr_indices, Name_pg_attr_indices, irelations);
@@ -248,7 +248,7 @@ renamerel(char *oldrelname, char *newrelname)
/* insert fixed rel tuple */
relrelation = heap_openr(RelationRelationName);
heap_replace(relrelation, &oldreltup->t_ctid, oldreltup);
heap_replace(relrelation, &oldreltup->t_self, oldreltup);
/* keep the system catalog indices current */
CatalogOpenIndices(Num_pg_class_indices, Name_pg_class_indices, irelations);

6
src/backend/commands/sequence.c
View File

@@ -368,7 +368,7 @@ read_info(char *caller, SeqTable elm, Buffer *buf)
ItemPointerData iptr;
PageHeader page;
ItemId lp;
HeapTuple tuple;
HeapTupleData tuple;
sequence_magic *sm;
Form_pg_sequence seq;
@@ -391,9 +391,9 @@ read_info(char *caller, SeqTable elm, Buffer *buf)
lp = PageGetItemId(page, FirstOffsetNumber);
Assert(ItemIdIsUsed(lp));
tuple = (HeapTuple) PageGetItem((Page) page, lp);
tuple.t_data = (HeapTupleHeader) PageGetItem((Page) page, lp);
seq = (Form_pg_sequence) GETSTRUCT(tuple);
seq = (Form_pg_sequence) GETSTRUCT(&tuple);
elm->increment = seq->increment_by;

54
src/backend/commands/trigger.c
View File

@@ -159,7 +159,7 @@ CreateTrigger(CreateTrigStmt *stmt)
values[Anum_pg_trigger_tgrelid - 1] = ObjectIdGetDatum(RelationGetRelid(rel));
values[Anum_pg_trigger_tgname - 1] = NameGetDatum(namein(stmt->trigname));
values[Anum_pg_trigger_tgfoid - 1] = ObjectIdGetDatum(tuple->t_oid);
values[Anum_pg_trigger_tgfoid - 1] = ObjectIdGetDatum(tuple->t_data->t_oid);
values[Anum_pg_trigger_tgtype - 1] = Int16GetDatum(tgtype);
if (stmt->args)
{
@@ -227,7 +227,7 @@ CreateTrigger(CreateTrigStmt *stmt)
pgrel = heap_openr(RelationRelationName);
((Form_pg_class) GETSTRUCT(tuple))->reltriggers = found + 1;
RelationInvalidateHeapTuple(pgrel, tuple);
heap_replace(pgrel, &tuple->t_ctid, tuple);
heap_replace(pgrel, &tuple->t_self, tuple);
CatalogOpenIndices(Num_pg_class_indices, Name_pg_class_indices, ridescs);
CatalogIndexInsert(ridescs, Num_pg_class_indices, pgrel, tuple);
CatalogCloseIndices(Num_pg_class_indices, ridescs);
@@ -280,7 +280,7 @@ DropTrigger(DropTrigStmt *stmt)
if (namestrcmp(&(pg_trigger->tgname), stmt->trigname) == 0)
{
heap_delete(tgrel, &tuple->t_ctid);
heap_delete(tgrel, &tuple->t_self);
tgfound++;
}
else
@@ -306,7 +306,7 @@ DropTrigger(DropTrigStmt *stmt)
pgrel = heap_openr(RelationRelationName);
((Form_pg_class) GETSTRUCT(tuple))->reltriggers = found;
RelationInvalidateHeapTuple(pgrel, tuple);
heap_replace(pgrel, &tuple->t_ctid, tuple);
heap_replace(pgrel, &tuple->t_self, tuple);
CatalogOpenIndices(Num_pg_class_indices, Name_pg_class_indices, ridescs);
CatalogIndexInsert(ridescs, Num_pg_class_indices, pgrel, tuple);
CatalogCloseIndices(Num_pg_class_indices, ridescs);
@@ -340,7 +340,7 @@ RelationRemoveTriggers(Relation rel)
tgscan = heap_beginscan(tgrel, 0, SnapshotNow, 1, &key);
while (HeapTupleIsValid(tup = heap_getnext(tgscan, 0)))
heap_delete(tgrel, &tup->t_ctid);
heap_delete(tgrel, &tup->t_self);
heap_endscan(tgscan);
RelationUnsetLockForWrite(tgrel);
@@ -359,11 +359,10 @@ RelationBuildTriggers(Relation relation)
Form_pg_trigger pg_trigger;
Relation irel;
ScanKeyData skey;
HeapTuple tuple;
IndexScanDesc sd;
RetrieveIndexResult indexRes;
HeapTupleData tuple;
IndexScanDesc sd;
RetrieveIndexResult indexRes;
Buffer buffer;
ItemPointer iptr;
struct varlena *val;
bool isnull;
int found;
@@ -387,16 +386,16 @@ RelationBuildTriggers(Relation relation)
if (!indexRes)
break;
iptr = &indexRes->heap_iptr;
tuple = heap_fetch(tgrel, SnapshotNow, iptr, &buffer);
tuple.t_self = indexRes->heap_iptr;
heap_fetch(tgrel, SnapshotNow, &tuple, &buffer);
pfree(indexRes);
if (!HeapTupleIsValid(tuple))
if (!tuple.t_data)
continue;
if (found == ntrigs)
elog(ERROR, "RelationBuildTriggers: unexpected record found for rel %.*s",
NAMEDATALEN, relation->rd_rel->relname.data);
pg_trigger = (Form_pg_trigger) GETSTRUCT(tuple);
pg_trigger = (Form_pg_trigger) GETSTRUCT(&tuple);
if (triggers == NULL)
triggers = (Trigger *) palloc(sizeof(Trigger));
@@ -410,7 +409,7 @@ RelationBuildTriggers(Relation relation)
build->tgtype = pg_trigger->tgtype;
build->tgnargs = pg_trigger->tgnargs;
memcpy(build->tgattr, &(pg_trigger->tgattr), 8 * sizeof(int16));
val = (struct varlena *) fastgetattr(tuple,
val = (struct varlena *) fastgetattr(&tuple,
Anum_pg_trigger_tgargs,
tgrel->rd_att, &isnull);
if (isnull)
@@ -421,7 +420,7 @@ RelationBuildTriggers(Relation relation)
char *p;
int i;
val = (struct varlena *) fastgetattr(tuple,
val = (struct varlena *) fastgetattr(&tuple,
Anum_pg_trigger_tgargs,
tgrel->rd_att, &isnull);
if (isnull)
@@ -792,10 +791,11 @@ ExecARUpdateTriggers(Relation rel, ItemPointer tupleid, HeapTuple newtuple)
static HeapTuple
GetTupleForTrigger(Relation relation, ItemPointer tid, bool before)
{
ItemId lp;
HeapTuple tuple;
PageHeader dp;
Buffer b;
ItemId lp;
HeapTupleData tuple;
HeapTuple result;
PageHeader dp;
Buffer b;
b = ReadBuffer(relation, ItemPointerGetBlockNumber(tid));
@@ -807,28 +807,30 @@ GetTupleForTrigger(Relation relation, ItemPointer tid, bool before)
Assert(ItemIdIsUsed(lp));
tuple = (HeapTuple) PageGetItem((Page) dp, lp);
tuple.t_data = (HeapTupleHeader) PageGetItem((Page) dp, lp);
tuple.t_len = ItemIdGetLength(lp);
tuple.t_self = *tid;
if (before)
{
if (TupleUpdatedByCurXactAndCmd(tuple))
if (TupleUpdatedByCurXactAndCmd(&tuple))
{
elog(NOTICE, "GetTupleForTrigger: Non-functional delete/update");
ReleaseBuffer(b);
return NULL;
}
HeapTupleSatisfies(lp, relation, b, dp,
false, 0, (ScanKey) NULL, tuple);
if (!tuple)
HeapTupleSatisfies(&tuple, relation, b, dp,
false, 0, (ScanKey) NULL);
if (!tuple.t_data)
{
ReleaseBuffer(b);
elog(ERROR, "GetTupleForTrigger: (am)invalid tid");
}
}
tuple = heap_copytuple(tuple);
result = heap_copytuple(&tuple);
ReleaseBuffer(b);
return tuple;
return result;
}

174
src/backend/commands/vacuum.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.90 1998/10/23 16:49:24 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.91 1998/11/27 19:51:58 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -327,7 +327,7 @@ vc_getrels(NameData *VacRelP)
}
MemoryContextSwitchTo(old);
cur->vrl_relid = tuple->t_oid;
cur->vrl_relid = tuple->t_data->t_oid;
cur->vrl_next = (VRelList) NULL;
}
if (found == false)
@@ -577,9 +577,8 @@ vc_scanheap(VRelStats *vacrelstats, Relation onerel,
int nblocks,
blkno;
ItemId itemid;
ItemPointer itemptr;
Buffer buf;
HeapTuple tuple;
HeapTupleData tuple;
Page page,
tempPage = NULL;
OffsetNumber offnum,
@@ -675,23 +674,25 @@ vc_scanheap(VRelStats *vacrelstats, Relation onerel,
continue;
}
tuple = (HeapTuple) PageGetItem(page, itemid);
tuple.t_data = (HeapTupleHeader) PageGetItem(page, itemid);
tuple.t_len = ItemIdGetLength(itemid);
ItemPointerSet(&(tuple.t_self), blkno, offnum);
tupgone = false;
if (!(tuple->t_infomask & HEAP_XMIN_COMMITTED))
if (!(tuple.t_data->t_infomask & HEAP_XMIN_COMMITTED))
{
if (tuple->t_infomask & HEAP_XMIN_INVALID)
if (tuple.t_data->t_infomask & HEAP_XMIN_INVALID)
tupgone = true;
else
{
if (TransactionIdDidAbort(tuple->t_xmin))
if (TransactionIdDidAbort(tuple.t_data->t_xmin))
tupgone = true;
else if (TransactionIdDidCommit(tuple->t_xmin))
else if (TransactionIdDidCommit(tuple.t_data->t_xmin))
{
tuple->t_infomask |= HEAP_XMIN_COMMITTED;
tuple.t_data->t_infomask |= HEAP_XMIN_COMMITTED;
pgchanged = true;
}
else if (!TransactionIdIsInProgress(tuple->t_xmin))
else if (!TransactionIdIsInProgress(tuple.t_data->t_xmin))
{
/*
@@ -704,7 +705,7 @@ vc_scanheap(VRelStats *vacrelstats, Relation onerel,
else
{
elog(NOTICE, "Rel %s: TID %u/%u: InsertTransactionInProgress %u - can't shrink relation",
relname, blkno, offnum, tuple->t_xmin);
relname, blkno, offnum, tuple.t_data->t_xmin);
do_shrinking = false;
}
}
@@ -714,60 +715,40 @@ vc_scanheap(VRelStats *vacrelstats, Relation onerel,
* here we are concerned about tuples with xmin committed and
* xmax unknown or committed
*/
if (tuple->t_infomask & HEAP_XMIN_COMMITTED &&
!(tuple->t_infomask & HEAP_XMAX_INVALID))
if (tuple.t_data->t_infomask & HEAP_XMIN_COMMITTED &&
!(tuple.t_data->t_infomask & HEAP_XMAX_INVALID))
{
if (tuple->t_infomask & HEAP_XMAX_COMMITTED)
if (tuple.t_data->t_infomask & HEAP_XMAX_COMMITTED)
tupgone = true;
else if (TransactionIdDidAbort(tuple->t_xmax))
else if (TransactionIdDidAbort(tuple.t_data->t_xmax))
{
tuple->t_infomask |= HEAP_XMAX_INVALID;
tuple.t_data->t_infomask |= HEAP_XMAX_INVALID;
pgchanged = true;
}
else if (TransactionIdDidCommit(tuple->t_xmax))
else if (TransactionIdDidCommit(tuple.t_data->t_xmax))
tupgone = true;
else if (!TransactionIdIsInProgress(tuple->t_xmax))
else if (!TransactionIdIsInProgress(tuple.t_data->t_xmax))
{
/*
* Not Aborted, Not Committed, Not in Progress - so it
* from crashed process. - vadim 06/02/97
*/
tuple->t_infomask |= HEAP_XMAX_INVALID;;
tuple.t_data->t_infomask |= HEAP_XMAX_INVALID;;
pgchanged = true;
}
else
{
elog(NOTICE, "Rel %s: TID %u/%u: DeleteTransactionInProgress %u - can't shrink relation",
relname, blkno, offnum, tuple->t_xmax);
relname, blkno, offnum, tuple.t_data->t_xmax);
do_shrinking = false;
}
}
/*
* It's possibly! But from where it comes ? And should we fix
* it ? - vadim 11/28/96
*/
itemptr = &(tuple->t_ctid);
if (!ItemPointerIsValid(itemptr) ||
BlockIdGetBlockNumber(&(itemptr->ip_blkid)) != blkno)
{
elog(NOTICE, "Rel %s: TID %u/%u: TID IN TUPLEHEADER %u/%u IS NOT THE SAME. TUPGONE %d.",
relname, blkno, offnum,
BlockIdGetBlockNumber(&(itemptr->ip_blkid)),
itemptr->ip_posid, tupgone);
}
/*
* Other checks...
*/
if (tuple->t_len != itemid->lp_len)
{
elog(NOTICE, "Rel %s: TID %u/%u: TUPLE_LEN IN PAGEHEADER %u IS NOT THE SAME AS IN TUPLEHEADER %u. TUPGONE %d.",
relname, blkno, offnum,
itemid->lp_len, tuple->t_len, tupgone);
}
if (!OidIsValid(tuple->t_oid))
if (!OidIsValid(tuple.t_data->t_oid))
{
elog(NOTICE, "Rel %s: TID %u/%u: OID IS INVALID. TUPGONE %d.",
relname, blkno, offnum, tupgone);
@@ -799,11 +780,11 @@ vc_scanheap(VRelStats *vacrelstats, Relation onerel,
{
num_tuples++;
notup = false;
if (tuple->t_len < min_tlen)
min_tlen = tuple->t_len;
if (tuple->t_len > max_tlen)
max_tlen = tuple->t_len;
vc_attrstats(onerel, vacrelstats, tuple);
if (tuple.t_len < min_tlen)
min_tlen = tuple.t_len;
if (tuple.t_len > max_tlen)
max_tlen = tuple.t_len;
vc_attrstats(onerel, vacrelstats, &tuple);
}
}
@@ -916,8 +897,8 @@ vc_rpfheap(VRelStats *vacrelstats, Relation onerel,
max_offset;
ItemId itemid,
newitemid;
HeapTuple tuple,
newtup;
HeapTupleData tuple,
newtup;
TupleDesc tupdesc = NULL;
Datum *idatum = NULL;
char *inulls = NULL;
@@ -1034,8 +1015,9 @@ vc_rpfheap(VRelStats *vacrelstats, Relation onerel,
if (!ItemIdIsUsed(itemid))
continue;
tuple = (HeapTuple) PageGetItem(page, itemid);
tuple_len = tuple->t_len;
tuple.t_data = (HeapTupleHeader) PageGetItem(page, itemid);
tuple_len = tuple.t_len = ItemIdGetLength(itemid);
ItemPointerSet(&(tuple.t_self), blkno, offnum);
/* try to find new page for this tuple */
if (cur_buffer == InvalidBuffer ||
@@ -1081,21 +1063,20 @@ vc_rpfheap(VRelStats *vacrelstats, Relation onerel,
}
/* copy tuple */
newtup = (HeapTuple) palloc(tuple_len);
memmove((char *) newtup, (char *) tuple, tuple_len);
heap_copytuple_with_tuple(&tuple, &newtup);
RelationInvalidateHeapTuple(onerel, tuple);
RelationInvalidateHeapTuple(onerel, &tuple);
/* store transaction information */
TransactionIdStore(myXID, &(newtup->t_xmin));
newtup->t_cmin = myCID;
StoreInvalidTransactionId(&(newtup->t_xmax));
TransactionIdStore(myXID, &(newtup.t_data->t_xmin));
newtup.t_data->t_cmin = myCID;
StoreInvalidTransactionId(&(newtup.t_data->t_xmax));
/* set xmin to unknown and xmax to invalid */
newtup->t_infomask &= ~(HEAP_XACT_MASK);
newtup->t_infomask |= HEAP_XMAX_INVALID;
newtup.t_data->t_infomask &= ~(HEAP_XACT_MASK);
newtup.t_data->t_infomask |= HEAP_XMAX_INVALID;
/* add tuple to the page */
newoff = PageAddItem(ToPage, (Item) newtup, tuple_len,
newoff = PageAddItem(ToPage, (Item) newtup.t_data, tuple_len,
InvalidOffsetNumber, LP_USED);
if (newoff == InvalidOffsetNumber)
{
@@ -1105,15 +1086,16 @@ failed to add item with len = %u to page %u (free space %u, nusd %u, noff %u)",
cur_page->vpd_offsets_used, cur_page->vpd_offsets_free);
}
newitemid = PageGetItemId(ToPage, newoff);
pfree(newtup);
newtup = (HeapTuple) PageGetItem(ToPage, newitemid);
ItemPointerSet(&(newtup->t_ctid), cur_page->vpd_blkno, newoff);
pfree(newtup.t_data);
newtup.t_data = (HeapTupleHeader) PageGetItem(ToPage, newitemid);
ItemPointerSet(&(newtup.t_data->t_ctid), cur_page->vpd_blkno, newoff);
newtup.t_self = newtup.t_data->t_ctid;
/* now logically delete end-tuple */
TransactionIdStore(myXID, &(tuple->t_xmax));
tuple->t_cmax = myCID;
TransactionIdStore(myXID, &(tuple.t_data->t_xmax));
tuple.t_data->t_cmax = myCID;
/* set xmax to unknown */
tuple->t_infomask &= ~(HEAP_XMAX_INVALID | HEAP_XMAX_COMMITTED);
tuple.t_data->t_infomask &= ~(HEAP_XMAX_INVALID | HEAP_XMAX_COMMITTED);
cur_page->vpd_offsets_used++;
num_moved++;
@@ -1127,7 +1109,7 @@ failed to add item with len = %u to page %u (free space %u, nusd %u, noff %u)",
{
FormIndexDatum(idcur->natts,
(AttrNumber *) &(idcur->tform->indkey[0]),
newtup,
&newtup,
tupdesc,
idatum,
inulls,
@@ -1135,7 +1117,7 @@ failed to add item with len = %u to page %u (free space %u, nusd %u, noff %u)",
iresult = index_insert(Irel[i],
idatum,
inulls,
&newtup->t_ctid,
&newtup.t_self,
onerel);
if (iresult)
pfree(iresult);
@@ -1213,10 +1195,10 @@ failed to add item with len = %u to page %u (free space %u, nusd %u, noff %u)",
itemid = PageGetItemId(page, newoff);
if (!ItemIdIsUsed(itemid))
continue;
tuple = (HeapTuple) PageGetItem(page, itemid);
if (TransactionIdEquals((TransactionId) tuple->t_xmin, myXID))
tuple.t_data = (HeapTupleHeader) PageGetItem(page, itemid);
if (TransactionIdEquals((TransactionId) tuple.t_data->t_xmin, myXID))
{
tuple->t_infomask |= HEAP_XMIN_COMMITTED;
tuple.t_data->t_infomask |= HEAP_XMIN_COMMITTED;
num_tuples++;
}
}
@@ -1276,8 +1258,8 @@ Elapsed %u/%u sec.",
itemid = PageGetItemId(page, offnum);
if (!ItemIdIsUsed(itemid))
continue;
tuple = (HeapTuple) PageGetItem(page, itemid);
Assert(TransactionIdEquals((TransactionId) tuple->t_xmax, myXID));
tuple.t_data = (HeapTupleHeader) PageGetItem(page, itemid);
Assert(TransactionIdEquals((TransactionId) tuple.t_data->t_xmax, myXID));
itemid->lp_flags &= ~LP_USED;
num_tuples++;
}
@@ -1718,18 +1700,18 @@ vc_bucketcpy(Form_pg_attribute attr, Datum value, Datum *bucket, int16 *bucket_l
static void
vc_updstats(Oid relid, int num_pages, int num_tuples, bool hasindex, VRelStats *vacrelstats)
{
Relation rd,
ad,
sd;
HeapScanDesc scan;
HeapTuple rtup,
ctup,
atup,
stup;
Form_pg_class pgcform;
ScanKeyData askey;
Form_pg_attribute attp;
Buffer buffer;
Relation rd,
ad,
sd;
HeapScanDesc scan;
HeapTupleData rtup;
HeapTuple ctup,
atup,
stup;
Form_pg_class pgcform;
ScanKeyData askey;
Form_pg_attribute attp;
Buffer buffer;
/*
* update number of tuples and number of pages in pg_class
@@ -1744,12 +1726,13 @@ vc_updstats(Oid relid, int num_pages, int num_tuples, bool hasindex, VRelStats *
rd = heap_openr(RelationRelationName);
/* get the buffer cache tuple */
rtup = heap_fetch(rd, SnapshotNow, &ctup->t_ctid, &buffer);
rtup.t_self = ctup->t_self;
heap_fetch(rd, SnapshotNow, &rtup, &buffer);
pfree(ctup);
/* overwrite the existing statistics in the tuple */
vc_setpagelock(rd, ItemPointerGetBlockNumber(&rtup->t_ctid));
pgcform = (Form_pg_class) GETSTRUCT(rtup);
vc_setpagelock(rd, ItemPointerGetBlockNumber(&(rtup.t_self)));
pgcform = (Form_pg_class) GETSTRUCT(&rtup);
pgcform->reltuples = num_tuples;
pgcform->relpages = num_pages;
pgcform->relhasindex = hasindex;
@@ -1792,15 +1775,9 @@ vc_updstats(Oid relid, int num_pages, int num_tuples, bool hasindex, VRelStats *
/* overwrite the existing statistics in the tuple */
if (VacAttrStatsEqValid(stats))
{
Buffer abuffer;
Buffer abuffer = scan->rs_cbuf;
/*
* We manipulate the heap tuple in the
* buffer, so we fetch it to get the
* buffer number
*/
atup = heap_fetch(ad, SnapshotNow, &atup->t_ctid, &abuffer);
vc_setpagelock(ad, ItemPointerGetBlockNumber(&atup->t_ctid));
vc_setpagelock(ad, ItemPointerGetBlockNumber(&atup->t_self));
attp = (Form_pg_attribute) GETSTRUCT(atup);
if (stats->nonnull_cnt + stats->null_cnt == 0 ||
@@ -1837,7 +1814,6 @@ vc_updstats(Oid relid, int num_pages, int num_tuples, bool hasindex, VRelStats *
*/
RelationInvalidateHeapTuple(ad, atup);
WriteNoReleaseBuffer(abuffer);
ReleaseBuffer(abuffer);
/* DO PG_STATISTIC INSERTS */
@@ -1894,7 +1870,7 @@ vc_updstats(Oid relid, int num_pages, int num_tuples, bool hasindex, VRelStats *
* Invalidate the cached pg_class tuple and
* write the buffer
*/
RelationInvalidateHeapTuple(rd, rtup);
RelationInvalidateHeapTuple(rd, &rtup);
WriteNoReleaseBuffer(buffer);
@@ -1942,7 +1918,7 @@ vc_delhilowstats(Oid relid, int attcnt, int *attnums)
if (i >= attcnt)
continue; /* don't delete it */
}
heap_delete(pgstatistic, &tuple->t_ctid);
heap_delete(pgstatistic, &tuple->t_self);
}
heap_endscan(scan);