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GIN: Generalized Inverted iNdex.

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text[], int4[], Tsearch2 support for GIN.
This commit is contained in:
Teodor Sigaev
2006-05-02 11:28:56 +00:00
parent 427c6b5b98
commit 8a3631f8d8
49 changed files with 5871 additions and 50 deletions
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9
src/backend/commands/cluster.c
View File

@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.144 2006/03/05 15:58:23 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/cluster.c,v 1.145 2006/05/02 11:28:54 teodor Exp $
*
*-------------------------------------------------------------------------
*/
@@ -376,6 +376,13 @@ check_index_is_clusterable(Relation OldHeap, Oid indexOid, bool recheck)
RelationGetRelationName(OldIndex))));
}
if (!OldIndex->rd_am->amclusterable)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot cluster on index \"%s\" because access method does not clusterable",
RelationGetRelationName(OldIndex))));
/*
* Disallow clustering system relations. This will definitely NOT work
* for shared relations (we have no way to update pg_class rows in other

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

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/opclasscmds.c,v 1.43 2006/03/14 22:48:18 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/opclasscmds.c,v 1.44 2006/05/02 11:28:54 teodor Exp $
*
*-------------------------------------------------------------------------
*/
@@ -273,11 +273,11 @@ DefineOpClass(CreateOpClassStmt *stmt)
else
{
/*
* Currently, only GiST allows storagetype different from
* Currently, only GiST and GIN allows storagetype different from
* datatype. This hardcoded test should be eliminated in favor of
* adding another boolean column to pg_am ...
*/
if (amoid != GIST_AM_OID)
if (!(amoid == GIST_AM_OID || amoid == GIN_AM_OID))
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("storage type may not be different from data type for access method \"%s\"",

20
src/backend/commands/vacuum.c
View File

@@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.326 2006/03/31 23:32:06 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.327 2006/05/02 11:28:54 teodor Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2982,7 +2982,16 @@ scan_index(Relation indrel, double num_tuples)
/*
* Check for tuple count mismatch. If the index is partial, then it's OK
* for it to have fewer tuples than the heap; else we got trouble.
*
* XXX Hack. Since GIN stores every pointer to heap several times and
* counting num_index_tuples during vacuum is very comlpex and slow
* we just copy num_tuples to num_index_tuples as upper limit to avoid
* WARNING and optimizer mistakes.
*/
if ( indrel->rd_rel->relam == GIN_AM_OID )
{
stats->num_index_tuples = num_tuples;
} else
if (stats->num_index_tuples != num_tuples)
{
if (stats->num_index_tuples > num_tuples ||
@@ -3052,7 +3061,16 @@ vacuum_index(VacPageList vacpagelist, Relation indrel,
/*
* Check for tuple count mismatch. If the index is partial, then it's OK
* for it to have fewer tuples than the heap; else we got trouble.
*
* XXX Hack. Since GIN stores every pointer to heap several times and
* counting num_index_tuples during vacuum is very comlpex and slow
* we just copy num_tuples to num_index_tuples as upper limit to avoid
* WARNING and optimizer mistakes.
*/
if ( indrel->rd_rel->relam == GIN_AM_OID )
{
stats->num_index_tuples = num_tuples;
} else
if (stats->num_index_tuples != num_tuples + keep_tuples)
{
if (stats->num_index_tuples > num_tuples + keep_tuples ||