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DROP ... IF EXISTS for the following cases:

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language, tablespace, trigger, rule, opclass, function, aggregate. operator, and cast.
This commit is contained in:
Andrew Dunstan
2006-06-16 20:23:45 +00:00
parent e79cc2db00
commit bbcd01692b
15 changed files with 271 additions and 58 deletions
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8
src/include/nodes/parsenodes.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.310 2006/04/30 18:30:40 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.311 2006/06/16 20:23:45 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1131,6 +1131,7 @@ typedef struct DropTableSpaceStmt
{
NodeTag type;
char *tablespacename;
bool missing_ok; /* skip error if a missing? */
} DropTableSpaceStmt;
/* ----------------------
@@ -1175,6 +1176,7 @@ typedef struct DropPLangStmt
NodeTag type;
char *plname; /* PL name */
DropBehavior behavior; /* RESTRICT or CASCADE behavior */
bool missing_ok; /* skip error if missing? */
} DropPLangStmt;
/* ----------------------
@@ -1329,6 +1331,7 @@ typedef struct DropPropertyStmt
char *property; /* name of rule, trigger, etc */
ObjectType removeType; /* OBJECT_RULE or OBJECT_TRIGGER */
DropBehavior behavior; /* RESTRICT or CASCADE behavior */
bool missing_ok; /* skip error if a missing? */
} DropPropertyStmt;
/* ----------------------
@@ -1477,6 +1480,7 @@ typedef struct RemoveFuncStmt
List *name; /* qualified name of object to drop */
List *args; /* types of the arguments */
DropBehavior behavior; /* RESTRICT or CASCADE behavior */
bool missing_ok; /* skip error if a missing? */
} RemoveFuncStmt;
/* ----------------------
@@ -1489,6 +1493,7 @@ typedef struct RemoveOpClassStmt
List *opclassname; /* qualified name (list of Value strings) */
char *amname; /* name of index AM opclass is for */
DropBehavior behavior; /* RESTRICT or CASCADE behavior */
bool missing_ok; /* skip error if a missing? */
} RemoveOpClassStmt;
/* ----------------------
@@ -1846,6 +1851,7 @@ typedef struct DropCastStmt
TypeName *sourcetype;
TypeName *targettype;
DropBehavior behavior;
bool missing_ok; /* skip error if a missing? */
} DropCastStmt;