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Add FILLFACTOR to CREATE INDEX.

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ITAGAKI Takahiro
This commit is contained in:
Bruce Momjian
2006-07-02 02:23:23 +00:00
parent 5d5c1416bf
commit 277807bd9e
65 changed files with 1458 additions and 309 deletions
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62
src/backend/access/heap/heapam.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.213 2006/05/28 02:27:08 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.214 2006/07/02 02:23:18 momjian Exp $
*
*
* INTERFACE ROUTINES
@ -46,9 +46,13 @@
#include "access/xlogutils.h"
#include "catalog/catalog.h"
#include "catalog/namespace.h"
#include "commands/defrem.h"
#include "miscadmin.h"
#include "nodes/parsenodes.h"
#include "parser/parse_clause.h"
#include "pgstat.h"
#include "storage/procarray.h"
#include "utils/catcache.h"
#include "utils/inval.h"
#include "utils/relcache.h"
@ -3588,3 +3592,59 @@ heap_desc(StringInfo buf, uint8 xl_info, char *rec)
else
appendStringInfo(buf, "UNKNOWN");
}
/*
* Parse options for heaps.
*
* relkind Kind of relation
* options Options as text[]
*/
bytea *
heap_option(char relkind, ArrayType *options)
{
/*
* XXX: What fillfactor should be default?
* overriding databases:
* - Oracle, DB2 = 90%
* - SQL Server = 100%
* non-overriding database:
* - Firebird = 70%
*/
#define HEAP_MIN_FILLFACTOR 50
#define HEAP_DEFAULT_FILLFACTOR 100
int fillfactor;
HeapOption *result;
DefElem kwds[] =
{
{ T_DefElem, "fillfactor" },
};
/*
* parse options
*/
OptionParse(options, lengthof(kwds), kwds, true);
/* 0: fillfactor */
if (kwds[0].arg)
fillfactor = (int) defGetInt64(&kwds[0]);
else
fillfactor = HEAP_DEFAULT_FILLFACTOR;
if (fillfactor < HEAP_MIN_FILLFACTOR || 100 < fillfactor)
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("fillfactor=%d should be between %d and 100",
fillfactor, HEAP_MIN_FILLFACTOR)));
}
/*
* build option
*/
result = (HeapOption *)
MemoryContextAlloc(CacheMemoryContext, sizeof(HeapOption));
VARATT_SIZEP(result) = sizeof(HeapOption);
result->fillfactor = fillfactor;
return (bytea *) result;
}

16
src/backend/access/heap/hio.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/heap/hio.c,v 1.61 2006/03/05 15:58:21 momjian Exp $
* $PostgreSQL: pgsql/src/backend/access/heap/hio.c,v 1.62 2006/07/02 02:23:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -102,12 +102,18 @@ RelationGetBufferForTuple(Relation relation, Size len,
{
Buffer buffer = InvalidBuffer;
Page pageHeader;
Size pageFreeSpace;
Size pageFreeSpace,
freespace;
BlockNumber targetBlock,
otherBlock;
bool needLock;
if (relation->rd_options == NULL)
elog(ERROR, "RelationGetBufferForTuple %s IS NULL", RelationGetRelationName(relation));
Assert(relation->rd_options != NULL);
len = MAXALIGN(len); /* be conservative */
freespace = HeapGetPageFreeSpace(relation);
/*
* If we're gonna fail for oversize tuple, do it right away
@ -146,7 +152,7 @@ RelationGetBufferForTuple(Relation relation, Size len,
* We have no cached target page, so ask the FSM for an initial
* target.
*/
targetBlock = GetPageWithFreeSpace(&relation->rd_node, len);
targetBlock = GetPageWithFreeSpace(&relation->rd_node, len + freespace);
/*
* If the FSM knows nothing of the rel, try the last page before we
@ -202,7 +208,7 @@ RelationGetBufferForTuple(Relation relation, Size len,
*/
pageHeader = (Page) BufferGetPage(buffer);
pageFreeSpace = PageGetFreeSpace(pageHeader);
if (len <= pageFreeSpace)
if (len + freespace <= pageFreeSpace)
{
/* use this page as future insert target, too */
relation->rd_targblock = targetBlock;
@ -235,7 +241,7 @@ RelationGetBufferForTuple(Relation relation, Size len,
targetBlock = RecordAndGetPageWithFreeSpace(&relation->rd_node,
targetBlock,
pageFreeSpace,
len);
len + freespace);
}
/*