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Support syntax "CLUSTER table USING index", which is more logical.

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Holger Schurig
This commit is contained in:
Bruce Momjian
2007-04-08 00:26:34 +00:00
parent d7e2de6629
commit e55c8e36ae
5 changed files with 52 additions and 42 deletions
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41
src/backend/parser/gram.y
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@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.586 2007/04/02 22:20:53 momjian Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.587 2007/04/08 00:26:34 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -209,7 +209,7 @@ static Node *makeXmlExpr(XmlExprOp op, char *name, List *named_args, List *args)
%type <str> relation_name copy_file_name
database_name access_method_clause access_method attr_name
index_name name file_name
index_name name file_name cluster_index_specification
%type <list> func_name handler_name qual_Op qual_all_Op subquery_Op
opt_class opt_validator
@@ -5084,7 +5084,7 @@ opt_check_option:
/*****************************************************************************
*
* QUERY:
* load "filename"
* LOAD "filename"
*
*****************************************************************************/
@@ -5346,25 +5346,18 @@ CreateConversionStmt:
/*****************************************************************************
*
* QUERY:
* cluster <index_name> on <qualified_name>
* cluster <qualified_name>
* cluster
* CLUSTER <qualified_name> [ USING <index_name> ]
* CLUSTER
* CLUSTER <index_name> ON <qualified_name> (for pre-8.3)
*
*****************************************************************************/
ClusterStmt:
CLUSTER index_name ON qualified_name
{
ClusterStmt *n = makeNode(ClusterStmt);
n->relation = $4;
n->indexname = $2;
$$ = (Node*)n;
}
| CLUSTER qualified_name
CLUSTER qualified_name cluster_index_specification
{
ClusterStmt *n = makeNode(ClusterStmt);
n->relation = $2;
n->indexname = NULL;
n->indexname = $3;
$$ = (Node*)n;
}
| CLUSTER
@@ -5374,13 +5367,27 @@ ClusterStmt:
n->indexname = NULL;
$$ = (Node*)n;
}
/* kept for pre-8.3 compatibility */
| CLUSTER index_name ON qualified_name
{
ClusterStmt *n = makeNode(ClusterStmt);
n->relation = $4;
n->indexname = $2;
$$ = (Node*)n;
}
;
cluster_index_specification:
USING index_name { $$ = $2; }
| /*EMPTY*/ { $$ = NULL; }
;
/*****************************************************************************
*
* QUERY:
* vacuum
* analyze
* VACUUM
* ANALYZE
*
*****************************************************************************/