database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-10 17:42:29 +03:00
Code Activity

Add FILLFACTOR to CREATE INDEX.

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

5
src/backend/access/hash/hashpage.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/hash/hashpage.c,v 1.57 2006/03/31 23:32:05 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/hash/hashpage.c,v 1.58 2006/07/02 02:23:18 momjian Exp $
*
* NOTES
* Postgres hash pages look like ordinary relation pages. The opaque
@@ -30,6 +30,7 @@
#include "access/genam.h"
#include "access/hash.h"
#include "catalog/index.h"
#include "miscadmin.h"
#include "storage/lmgr.h"
#include "utils/lsyscache.h"
@@ -231,7 +232,7 @@ _hash_metapinit(Relation rel)
RelationGetDescr(rel)->attrs[0]->atttypmod);
item_width = MAXALIGN(sizeof(IndexTupleData)) + MAXALIGN(data_width) +
sizeof(ItemIdData); /* include the line pointer */
ffactor = (BLCKSZ * 3 / 4) / item_width;
ffactor = BLCKSZ * IndexGetFillFactor(rel) / 100 / item_width;
/* keep to a sane range */
if (ffactor < 10)
ffactor = 10;

15
src/backend/access/hash/hashutil.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/hash/hashutil.c,v 1.47 2006/03/05 15:58:21 momjian Exp $
* $PostgreSQL: pgsql/src/backend/access/hash/hashutil.c,v 1.48 2006/07/02 02:23:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -173,3 +173,16 @@ _hash_checkpage(Relation rel, Buffer buf, int flags)
errhint("Please REINDEX it.")));
}
}
Datum
hashoption(PG_FUNCTION_ARGS)
{
#define HASH_MIN_FILLFACTOR 50
#define HASH_DEFAULT_FILLFACTOR 75
ArrayType *options = (ArrayType *) PG_GETARG_POINTER(0);
/* Use index common routine. */
PG_RETURN_BYTEA_P(genam_option(options,
HASH_MIN_FILLFACTOR, HASH_DEFAULT_FILLFACTOR));
}