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pgindent run for 9.5

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This commit is contained in:
Bruce Momjian
2015-05-23 21:35:49 -04:00
parent 225892552b
commit 807b9e0dff
414 changed files with 5810 additions and 5308 deletions
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69
src/backend/access/tablesample/bernoulli.c
View File

@@ -27,13 +27,15 @@
/* tsdesc */
typedef struct
{
uint32 seed; /* random seed */
BlockNumber startblock; /* starting block, we use ths for syncscan support */
uint32 seed; /* random seed */
BlockNumber startblock; /* starting block, we use ths for syncscan
* support */
BlockNumber nblocks; /* number of blocks */
BlockNumber blockno; /* current block */
float4 probability; /* probabilty that tuple will be returned (0.0-1.0) */
float4 probability; /* probabilty that tuple will be returned
* (0.0-1.0) */
OffsetNumber lt; /* last tuple returned from current block */
SamplerRandomState randstate; /* random generator tsdesc */
SamplerRandomState randstate; /* random generator tsdesc */
} BernoulliSamplerData;
/*
@@ -42,10 +44,10 @@ typedef struct
Datum
tsm_bernoulli_init(PG_FUNCTION_ARGS)
{
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
uint32 seed = PG_GETARG_UINT32(1);
float4 percent = PG_ARGISNULL(2) ? -1 : PG_GETARG_FLOAT4(2);
HeapScanDesc scan = tsdesc->heapScan;
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
uint32 seed = PG_GETARG_UINT32(1);
float4 percent = PG_ARGISNULL(2) ? -1 : PG_GETARG_FLOAT4(2);
HeapScanDesc scan = tsdesc->heapScan;
BernoulliSamplerData *sampler;
if (percent < 0 || percent > 100)
@@ -77,14 +79,13 @@ tsm_bernoulli_init(PG_FUNCTION_ARGS)
Datum
tsm_bernoulli_nextblock(PG_FUNCTION_ARGS)
{
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
BernoulliSamplerData *sampler =
(BernoulliSamplerData *) tsdesc->tsmdata;
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
BernoulliSamplerData *sampler =
(BernoulliSamplerData *) tsdesc->tsmdata;
/*
* Bernoulli sampling scans all blocks on the table and supports
* syncscan so loop from startblock to startblock instead of
* from 0 to nblocks.
* Bernoulli sampling scans all blocks on the table and supports syncscan
* so loop from startblock to startblock instead of from 0 to nblocks.
*/
if (sampler->blockno == InvalidBlockNumber)
sampler->blockno = sampler->startblock;
@@ -116,7 +117,7 @@ tsm_bernoulli_nextblock(PG_FUNCTION_ARGS)
* tuples have same probability of being returned the visible and invisible
* tuples will be returned in same ratio as they have in the actual table.
* This means that there is no skew towards either visible or invisible tuples
* and the number returned visible tuples to from the executor node is the
* and the number returned visible tuples to from the executor node is the
* fraction of visible tuples which was specified in input.
*
* This is faster than doing the coinflip in the examinetuple because we don't
@@ -128,12 +129,12 @@ tsm_bernoulli_nextblock(PG_FUNCTION_ARGS)
Datum
tsm_bernoulli_nexttuple(PG_FUNCTION_ARGS)
{
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
OffsetNumber maxoffset = PG_GETARG_UINT16(2);
BernoulliSamplerData *sampler =
(BernoulliSamplerData *) tsdesc->tsmdata;
OffsetNumber tupoffset = sampler->lt;
float4 probability = sampler->probability;
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
OffsetNumber maxoffset = PG_GETARG_UINT16(2);
BernoulliSamplerData *sampler =
(BernoulliSamplerData *) tsdesc->tsmdata;
OffsetNumber tupoffset = sampler->lt;
float4 probability = sampler->probability;
if (tupoffset == InvalidOffsetNumber)
tupoffset = FirstOffsetNumber;
@@ -142,8 +143,8 @@ tsm_bernoulli_nexttuple(PG_FUNCTION_ARGS)
/*
* Loop over tuple offsets until the random generator returns value that
* is within the probability of returning the tuple or until we reach
* end of the block.
* is within the probability of returning the tuple or until we reach end
* of the block.
*
* (This is our implementation of bernoulli trial)
*/
@@ -183,9 +184,9 @@ tsm_bernoulli_end(PG_FUNCTION_ARGS)
Datum
tsm_bernoulli_reset(PG_FUNCTION_ARGS)
{
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
BernoulliSamplerData *sampler =
(BernoulliSamplerData *) tsdesc->tsmdata;
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
BernoulliSamplerData *sampler =
(BernoulliSamplerData *) tsdesc->tsmdata;
sampler->blockno = InvalidBlockNumber;
sampler->lt = InvalidOffsetNumber;
@@ -200,14 +201,14 @@ tsm_bernoulli_reset(PG_FUNCTION_ARGS)
Datum
tsm_bernoulli_cost(PG_FUNCTION_ARGS)
{
PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
Path *path = (Path *) PG_GETARG_POINTER(1);
RelOptInfo *baserel = (RelOptInfo *) PG_GETARG_POINTER(2);
List *args = (List *) PG_GETARG_POINTER(3);
BlockNumber *pages = (BlockNumber *) PG_GETARG_POINTER(4);
double *tuples = (double *) PG_GETARG_POINTER(5);
Node *pctnode;
float4 samplesize;
PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
Path *path = (Path *) PG_GETARG_POINTER(1);
RelOptInfo *baserel = (RelOptInfo *) PG_GETARG_POINTER(2);
List *args = (List *) PG_GETARG_POINTER(3);
BlockNumber *pages = (BlockNumber *) PG_GETARG_POINTER(4);
double *tuples = (double *) PG_GETARG_POINTER(5);
Node *pctnode;
float4 samplesize;
*pages = baserel->pages;

48
src/backend/access/tablesample/system.c
View File

@@ -31,9 +31,9 @@
typedef struct
{
BlockSamplerData bs;
uint32 seed; /* random seed */
uint32 seed; /* random seed */
BlockNumber nblocks; /* number of block in relation */
int samplesize; /* number of blocks to return */
int samplesize; /* number of blocks to return */
OffsetNumber lt; /* last tuple returned from current block */
} SystemSamplerData;
@@ -44,11 +44,11 @@ typedef struct
Datum
tsm_system_init(PG_FUNCTION_ARGS)
{
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
uint32 seed = PG_GETARG_UINT32(1);
float4 percent = PG_ARGISNULL(2) ? -1 : PG_GETARG_FLOAT4(2);
HeapScanDesc scan = tsdesc->heapScan;
SystemSamplerData *sampler;
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
uint32 seed = PG_GETARG_UINT32(1);
float4 percent = PG_ARGISNULL(2) ? -1 : PG_GETARG_FLOAT4(2);
HeapScanDesc scan = tsdesc->heapScan;
SystemSamplerData *sampler;
if (percent < 0 || percent > 100)
ereport(ERROR,
@@ -80,9 +80,9 @@ tsm_system_init(PG_FUNCTION_ARGS)
Datum
tsm_system_nextblock(PG_FUNCTION_ARGS)
{
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
SystemSamplerData *sampler = (SystemSamplerData *) tsdesc->tsmdata;
BlockNumber blockno;
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
SystemSamplerData *sampler = (SystemSamplerData *) tsdesc->tsmdata;
BlockNumber blockno;
if (!BlockSampler_HasMore(&sampler->bs))
PG_RETURN_UINT32(InvalidBlockNumber);
@@ -99,10 +99,10 @@ tsm_system_nextblock(PG_FUNCTION_ARGS)
Datum
tsm_system_nexttuple(PG_FUNCTION_ARGS)
{
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
OffsetNumber maxoffset = PG_GETARG_UINT16(2);
SystemSamplerData *sampler = (SystemSamplerData *) tsdesc->tsmdata;
OffsetNumber tupoffset = sampler->lt;
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
OffsetNumber maxoffset = PG_GETARG_UINT16(2);
SystemSamplerData *sampler = (SystemSamplerData *) tsdesc->tsmdata;
OffsetNumber tupoffset = sampler->lt;
if (tupoffset == InvalidOffsetNumber)
tupoffset = FirstOffsetNumber;
@@ -136,8 +136,8 @@ tsm_system_end(PG_FUNCTION_ARGS)
Datum
tsm_system_reset(PG_FUNCTION_ARGS)
{
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
SystemSamplerData *sampler = (SystemSamplerData *) tsdesc->tsmdata;
TableSampleDesc *tsdesc = (TableSampleDesc *) PG_GETARG_POINTER(0);
SystemSamplerData *sampler = (SystemSamplerData *) tsdesc->tsmdata;
sampler->lt = InvalidOffsetNumber;
BlockSampler_Init(&sampler->bs, sampler->nblocks, sampler->samplesize,
@@ -152,14 +152,14 @@ tsm_system_reset(PG_FUNCTION_ARGS)
Datum
tsm_system_cost(PG_FUNCTION_ARGS)
{
PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
Path *path = (Path *) PG_GETARG_POINTER(1);
RelOptInfo *baserel = (RelOptInfo *) PG_GETARG_POINTER(2);
List *args = (List *) PG_GETARG_POINTER(3);
BlockNumber *pages = (BlockNumber *) PG_GETARG_POINTER(4);
double *tuples = (double *) PG_GETARG_POINTER(5);
Node *pctnode;
float4 samplesize;
PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
Path *path = (Path *) PG_GETARG_POINTER(1);
RelOptInfo *baserel = (RelOptInfo *) PG_GETARG_POINTER(2);
List *args = (List *) PG_GETARG_POINTER(3);
BlockNumber *pages = (BlockNumber *) PG_GETARG_POINTER(4);
double *tuples = (double *) PG_GETARG_POINTER(5);
Node *pctnode;
float4 samplesize;
pctnode = linitial(args);
pctnode = estimate_expression_value(root, pctnode);

94
src/backend/access/tablesample/tablesample.c
View File

@@ -1,14 +1,14 @@
/*-------------------------------------------------------------------------
*
* tablesample.c
* TABLESAMPLE internal API
* TABLESAMPLE internal API
*
* Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* src/backend/access/tablesample/tablesample.c
* src/backend/access/tablesample/tablesample.c
*
* TABLESAMPLE is the SQL standard clause for sampling the relations.
*
@@ -53,7 +53,7 @@ tablesample_init(SampleScanState *scanstate, TableSampleClause *tablesample)
List *args = tablesample->args;
ListCell *arg;
ExprContext *econtext = scanstate->ss.ps.ps_ExprContext;
TableSampleDesc *tsdesc = (TableSampleDesc *) palloc0(sizeof(TableSampleDesc));
TableSampleDesc *tsdesc = (TableSampleDesc *) palloc0(sizeof(TableSampleDesc));
/* Load functions */
fmgr_info(tablesample->tsminit, &(tsdesc->tsminit));
@@ -78,21 +78,21 @@ tablesample_init(SampleScanState *scanstate, TableSampleClause *tablesample)
fcinfo.argnull[0] = false;
/*
* Second arg for init function is always REPEATABLE
* When tablesample->repeatable is NULL then REPEATABLE clause was not
* specified.
* When specified, the expression cannot evaluate to NULL.
* Second arg for init function is always REPEATABLE When
* tablesample->repeatable is NULL then REPEATABLE clause was not
* specified. When specified, the expression cannot evaluate to NULL.
*/
if (tablesample->repeatable)
{
ExprState *argstate = ExecInitExpr((Expr *) tablesample->repeatable,
(PlanState *) scanstate);
fcinfo.arg[1] = ExecEvalExpr(argstate, econtext,
&fcinfo.argnull[1], NULL);
if (fcinfo.argnull[1])
ereport(ERROR,
(errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
errmsg("REPEATABLE clause must be NOT NULL numeric value")));
errmsg("REPEATABLE clause must be NOT NULL numeric value")));
}
else
{
@@ -130,15 +130,15 @@ tablesample_init(SampleScanState *scanstate, TableSampleClause *tablesample)
HeapTuple
tablesample_getnext(TableSampleDesc *desc)
{
HeapScanDesc scan = desc->heapScan;
HeapTuple tuple = &(scan->rs_ctup);
bool pagemode = scan->rs_pageatatime;
BlockNumber blockno;
Page page;
bool page_all_visible;
ItemId itemid;
OffsetNumber tupoffset,
maxoffset;
HeapScanDesc scan = desc->heapScan;
HeapTuple tuple = &(scan->rs_ctup);
bool pagemode = scan->rs_pageatatime;
BlockNumber blockno;
Page page;
bool page_all_visible;
ItemId itemid;
OffsetNumber tupoffset,
maxoffset;
if (!scan->rs_inited)
{
@@ -152,7 +152,7 @@ tablesample_getnext(TableSampleDesc *desc)
return NULL;
}
blockno = DatumGetInt32(FunctionCall1(&desc->tsmnextblock,
PointerGetDatum(desc)));
PointerGetDatum(desc)));
if (!BlockNumberIsValid(blockno))
{
tuple->t_data = NULL;
@@ -184,14 +184,14 @@ tablesample_getnext(TableSampleDesc *desc)
CHECK_FOR_INTERRUPTS();
tupoffset = DatumGetUInt16(FunctionCall3(&desc->tsmnexttuple,
PointerGetDatum(desc),
UInt32GetDatum(blockno),
UInt16GetDatum(maxoffset)));
PointerGetDatum(desc),
UInt32GetDatum(blockno),
UInt16GetDatum(maxoffset)));
if (OffsetNumberIsValid(tupoffset))
{
bool visible;
bool found;
bool visible;
bool found;
/* Skip invalid tuple pointers. */
itemid = PageGetItemId(page, tupoffset);
@@ -208,8 +208,8 @@ tablesample_getnext(TableSampleDesc *desc)
visible = SampleTupleVisible(tuple, tupoffset, scan);
/*
* Let the sampling method examine the actual tuple and decide if we
* should return it.
* Let the sampling method examine the actual tuple and decide if
* we should return it.
*
* Note that we let it examine even invisible tuples for
* statistical purposes, but not return them since user should
@@ -218,10 +218,10 @@ tablesample_getnext(TableSampleDesc *desc)
if (OidIsValid(desc->tsmexaminetuple.fn_oid))
{
found = DatumGetBool(FunctionCall4(&desc->tsmexaminetuple,
PointerGetDatum(desc),
UInt32GetDatum(blockno),
PointerGetDatum(tuple),
BoolGetDatum(visible)));
PointerGetDatum(desc),
UInt32GetDatum(blockno),
PointerGetDatum(tuple),
BoolGetDatum(visible)));
/* Should not happen if sampling method is well written. */
if (found && !visible)
elog(ERROR, "Sampling method wanted to return invisible tuple");
@@ -248,19 +248,19 @@ tablesample_getnext(TableSampleDesc *desc)
LockBuffer(scan->rs_cbuf, BUFFER_LOCK_UNLOCK);
blockno = DatumGetInt32(FunctionCall1(&desc->tsmnextblock,
PointerGetDatum(desc)));
PointerGetDatum(desc)));
/*
* Report our new scan position for synchronization purposes. We
* don't do that when moving backwards, however. That would just
* mess up any other forward-moving scanners.
* Report our new scan position for synchronization purposes. We don't
* do that when moving backwards, however. That would just mess up any
* other forward-moving scanners.
*
* Note: we do this before checking for end of scan so that the
* final state of the position hint is back at the start of the
* rel. That's not strictly necessary, but otherwise when you run
* the same query multiple times the starting position would shift
* a little bit backwards on every invocation, which is confusing.
* We don't guarantee any specific ordering in general, though.
* Note: we do this before checking for end of scan so that the final
* state of the position hint is back at the start of the rel. That's
* not strictly necessary, but otherwise when you run the same query
* multiple times the starting position would shift a little bit
* backwards on every invocation, which is confusing. We don't
* guarantee any specific ordering in general, though.
*/
if (scan->rs_syncscan)
ss_report_location(scan->rs_rd, BlockNumberIsValid(blockno) ?
@@ -321,25 +321,25 @@ SampleTupleVisible(HeapTuple tuple, OffsetNumber tupoffset, HeapScanDesc scan)
{
/*
* If this scan is reading whole pages at a time, there is already
* visibility info present in rs_vistuples so we can just search it
* for the tupoffset.
* visibility info present in rs_vistuples so we can just search it for
* the tupoffset.
*/
if (scan->rs_pageatatime)
{
int start = 0,
end = scan->rs_ntuples - 1;
int start = 0,
end = scan->rs_ntuples - 1;
/*
* Do the binary search over rs_vistuples, it's already sorted by
* OffsetNumber so we don't need to do any sorting ourselves here.
*
* We could use bsearch() here but it's slower for integers because
* of the function call overhead and because it needs boiler plate code
* We could use bsearch() here but it's slower for integers because of
* the function call overhead and because it needs boiler plate code
* it would not save us anything code-wise anyway.
*/
while (start <= end)
{
int mid = start + (end - start) / 2;
int mid = start + (end - start) / 2;
OffsetNumber curoffset = scan->rs_vistuples[mid];
if (curoffset == tupoffset)
@@ -358,7 +358,7 @@ SampleTupleVisible(HeapTuple tuple, OffsetNumber tupoffset, HeapScanDesc scan)
Snapshot snapshot = scan->rs_snapshot;
Buffer buffer = scan->rs_cbuf;
bool visible = HeapTupleSatisfiesVisibility(tuple, snapshot, buffer);
bool visible = HeapTupleSatisfiesVisibility(tuple, snapshot, buffer);
CheckForSerializableConflictOut(visible, scan->rs_rd, tuple, buffer,
snapshot);