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DROP IF EXISTS for ROLE/USER/GROUP

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This commit is contained in:
Andrew Dunstan
2006-02-04 19:06:47 +00:00
parent 3fa9c416ed
commit f8b54fe6ed
10 changed files with 116 additions and 14 deletions
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26
src/backend/parser/gram.y
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@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.525 2006/01/31 22:40:03 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.526 2006/02/04 19:06:46 adunstan Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -824,9 +824,17 @@ DropRoleStmt:
DROP ROLE name_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = FALSE;
n->roles = $3;
$$ = (Node *)n;
}
| DROP ROLE IF_P EXISTS name_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = TRUE;
n->roles = $5;
$$ = (Node *)n;
}
;
/*****************************************************************************
@@ -842,9 +850,17 @@ DropUserStmt:
DROP USER name_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = FALSE;
n->roles = $3;
$$ = (Node *)n;
}
| DROP USER IF_P EXISTS name_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->roles = $5;
n->missing_ok = TRUE;
$$ = (Node *)n;
}
;
@@ -900,9 +916,17 @@ DropGroupStmt:
DROP GROUP_P name_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = FALSE;
n->roles = $3;
$$ = (Node *)n;
}
| DROP GROUP_P IF_P EXISTS name_list
{
DropRoleStmt *n = makeNode(DropRoleStmt);
n->missing_ok = TRUE;
n->roles = $5;
$$ = (Node *)n;
}
;