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DROP ... IF EXISTS for the following cases: 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/backend/commands/aggregatecmds.c
View File

@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/aggregatecmds.c,v 1.34 2006/04/15 17:45:33 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/aggregatecmds.c,v 1.35 2006/06/16 20:23:44 adunstan Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@ -211,7 +211,21 @@ RemoveAggregate(RemoveFuncStmt *stmt)
ObjectAddress object;
/* Look up function and make sure it's an aggregate */
procOid = LookupAggNameTypeNames(aggName, aggArgs, false);
procOid = LookupAggNameTypeNames(aggName, aggArgs, stmt->missing_ok);
if (!OidIsValid(procOid))
{
/* we only get here if stmt->missing_ok is true */
/* XXX might need better message here */
ereport(NOTICE,
(errmsg("aggregate %s does not exist ... skipping",
stmt->name)));
return;
}
/*
* Find the function tuple, do permissions and validity checks

36
src/backend/commands/functioncmds.c
View File

@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.74 2006/04/15 17:45:34 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.75 2006/06/16 20:23:44 adunstan Exp $
*
* DESCRIPTION
* These routines take the parse tree and pick out the
@ -687,7 +687,16 @@ RemoveFunction(RemoveFuncStmt *stmt)
/*
* Find the function, do permissions and validity checks
*/
funcOid = LookupFuncNameTypeNames(functionName, argTypes, false);
funcOid = LookupFuncNameTypeNames(functionName, argTypes, stmt->missing_ok);
if (stmt->missing_ok &&!OidIsValid(funcOid))
{
ereport(NOTICE,
(errmsg("function %s(%s) does not exist ... skipping",
NameListToString(functionName),
NameListToString(argTypes))));
return;
}
tup = SearchSysCache(PROCOID,
ObjectIdGetDatum(funcOid),
@ -1377,6 +1386,7 @@ DropCast(DropCastStmt *stmt)
HeapTuple tuple;
ObjectAddress object;
/* when dropping a cast, the types must exist even if you use IF EXISTS */
sourcetypeid = typenameTypeId(NULL, stmt->sourcetype);
targettypeid = typenameTypeId(NULL, stmt->targettype);
@ -1385,11 +1395,23 @@ DropCast(DropCastStmt *stmt)
ObjectIdGetDatum(targettypeid),
0, 0);
if (!HeapTupleIsValid(tuple))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("cast from type %s to type %s does not exist",
TypeNameToString(stmt->sourcetype),
TypeNameToString(stmt->targettype))));
{
if (! stmt->missing_ok)
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("cast from type %s to type %s does not exist",
TypeNameToString(stmt->sourcetype),
TypeNameToString(stmt->targettype))));
else
ereport(NOTICE,
(errmsg("cast from type %s to type %s does not exist ... skipping",
TypeNameToString(stmt->sourcetype),
TypeNameToString(stmt->targettype))));
return;
}
/* Permission check */
if (!pg_type_ownercheck(sourcetypeid, GetUserId())

39
src/backend/commands/opclasscmds.c
View File

@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/opclasscmds.c,v 1.45 2006/05/02 22:25:10 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/opclasscmds.c,v 1.46 2006/06/16 20:23:44 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -700,21 +700,40 @@ RemoveOpClass(RemoveOpClassStmt *stmt)
/* Unqualified opclass name, so search the search path */
opcID = OpclassnameGetOpcid(amID, opcname);
if (!OidIsValid(opcID))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("operator class \"%s\" does not exist for access method \"%s\"",
opcname, stmt->amname)));
{
if (! stmt -> missing_ok )
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("operator class \"%s\" does not exist for access method \"%s\"",
opcname, stmt->amname)));
else
ereport(NOTICE,
(errmsg("operator class \"%s\" does not exist for access method \"%s\"",
opcname, stmt->amname)));
return;
}
tuple = SearchSysCache(CLAOID,
ObjectIdGetDatum(opcID),
0, 0, 0);
}
if (!HeapTupleIsValid(tuple))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("operator class \"%s\" does not exist for access method \"%s\"",
NameListToString(stmt->opclassname), stmt->amname)));
{
if (! stmt->missing_ok )
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("operator class \"%s\" does not exist for access method \"%s\"",
NameListToString(stmt->opclassname), stmt->amname)));
else
ereport(NOTICE,
(errmsg("operator class \"%s\" does not exist for access method \"%s\"",
NameListToString(stmt->opclassname), stmt->amname)));
return;
}
opcID = HeapTupleGetOid(tuple);
/* Permission check: must own opclass or its namespace */

12
src/backend/commands/operatorcmds.c
View File

@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/operatorcmds.c,v 1.30 2006/04/15 17:45:34 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/operatorcmds.c,v 1.31 2006/06/16 20:23:44 adunstan Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@ -213,7 +213,15 @@ RemoveOperator(RemoveFuncStmt *stmt)
Assert(list_length(stmt->args) == 2);
operOid = LookupOperNameTypeNames(NULL, operatorName,
typeName1, typeName2,
false, -1);
stmt->missing_ok, -1);
if (stmt->missing_ok &&!OidIsValid(operOid) )
{
ereport(NOTICE,
(errmsg("operator %s does not exist ... skipping",
NameListToString(operatorName))));
return;
}
tup = SearchSysCache(OPEROID,
ObjectIdGetDatum(operOid),

17
src/backend/commands/proclang.c
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/proclang.c,v 1.64 2006/03/05 15:58:24 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/proclang.c,v 1.65 2006/06/16 20:23:44 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -396,9 +396,18 @@ DropProceduralLanguage(DropPLangStmt *stmt)
CStringGetDatum(languageName),
0, 0, 0);
if (!HeapTupleIsValid(langTup))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("language \"%s\" does not exist", languageName)));
{
if (! stmt->missing_ok)
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("language \"%s\" does not exist", languageName)));
else
ereport(NOTICE,
(errmsg("language \"%s\" does not exist ... skipping",
languageName)));
return;
}
object.classId = LanguageRelationId;
object.objectId = HeapTupleGetOid(langTup);

25
src/backend/commands/tablespace.c
View File

@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.34 2006/03/29 21:17:38 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.35 2006/06/16 20:23:44 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -403,10 +403,25 @@ DropTableSpace(DropTableSpaceStmt *stmt)
tuple = heap_getnext(scandesc, ForwardScanDirection);
if (!HeapTupleIsValid(tuple))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("tablespace \"%s\" does not exist",
tablespacename)));
{
if ( ! stmt->missing_ok )
{
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("tablespace \"%s\" does not exist",
tablespacename)));
}
else
{
ereport(NOTICE,
(errmsg("tablespace \"%s\" does not exist ... skipping",
tablespacename)));
/* XXX I assume I need one or both of these next two calls */
heap_endscan(scandesc);
heap_close(rel, NoLock);
}
return;
}
tablespaceoid = HeapTupleGetOid(tuple);

24
src/backend/commands/trigger.c
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.202 2006/05/30 14:01:57 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.203 2006/06/16 20:23:44 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -452,7 +452,8 @@ CreateTrigger(CreateTrigStmt *stmt, bool forConstraint)
* DropTrigger - drop an individual trigger by name
*/
void
DropTrigger(Oid relid, const char *trigname, DropBehavior behavior)
DropTrigger(Oid relid, const char *trigname, DropBehavior behavior,
bool missing_ok)
{
Relation tgrel;
ScanKeyData skey[2];
@ -481,10 +482,21 @@ DropTrigger(Oid relid, const char *trigname, DropBehavior behavior)
tup = systable_getnext(tgscan);
if (!HeapTupleIsValid(tup))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("trigger \"%s\" for table \"%s\" does not exist",
trigname, get_rel_name(relid))));
{
if (! missing_ok)
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("trigger \"%s\" for table \"%s\" does not exist",
trigname, get_rel_name(relid))));
else
ereport(NOTICE,
(errmsg("trigger \"%s\" for table \"%s\" does not exist ...skipping",
trigname, get_rel_name(relid))));
/* cleanup */
systable_endscan(tgscan);
heap_close(tgrel, AccessShareLock);
return;
}
if (!pg_class_ownercheck(relid, GetUserId()))
aclcheck_error(ACLCHECK_NOT_OWNER, ACL_KIND_CLASS,

8
src/backend/nodes/copyfuncs.c
View File

@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.335 2006/04/30 18:30:38 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.336 2006/06/16 20:23:44 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -2075,6 +2075,7 @@ _copyRemoveFuncStmt(RemoveFuncStmt *from)
COPY_NODE_FIELD(name);
COPY_NODE_FIELD(args);
COPY_SCALAR_FIELD(behavior);
COPY_SCALAR_FIELD(missing_ok);
return newnode;
}
@ -2087,6 +2088,7 @@ _copyRemoveOpClassStmt(RemoveOpClassStmt *from)
COPY_NODE_FIELD(opclassname);
COPY_STRING_FIELD(amname);
COPY_SCALAR_FIELD(behavior);
COPY_SCALAR_FIELD(missing_ok);
return newnode;
}
@ -2414,6 +2416,7 @@ _copyDropTableSpaceStmt(DropTableSpaceStmt *from)
DropTableSpaceStmt *newnode = makeNode(DropTableSpaceStmt);
COPY_STRING_FIELD(tablespacename);
COPY_SCALAR_FIELD(missing_ok);
return newnode;
}
@ -2447,6 +2450,7 @@ _copyDropPropertyStmt(DropPropertyStmt *from)
COPY_STRING_FIELD(property);
COPY_SCALAR_FIELD(removeType);
COPY_SCALAR_FIELD(behavior);
COPY_SCALAR_FIELD(missing_ok);
return newnode;
}
@ -2471,6 +2475,7 @@ _copyDropPLangStmt(DropPLangStmt *from)
COPY_STRING_FIELD(plname);
COPY_SCALAR_FIELD(behavior);
COPY_SCALAR_FIELD(missing_ok);
return newnode;
}
@ -2606,6 +2611,7 @@ _copyDropCastStmt(DropCastStmt *from)
COPY_NODE_FIELD(sourcetype);
COPY_NODE_FIELD(targettype);
COPY_SCALAR_FIELD(behavior);
COPY_SCALAR_FIELD(missing_ok);
return newnode;
}

8
src/backend/nodes/equalfuncs.c
View File

@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.271 2006/04/30 18:30:38 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.272 2006/06/16 20:23:44 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -999,6 +999,7 @@ _equalRemoveFuncStmt(RemoveFuncStmt *a, RemoveFuncStmt *b)
COMPARE_NODE_FIELD(name);
COMPARE_NODE_FIELD(args);
COMPARE_SCALAR_FIELD(behavior);
COMPARE_SCALAR_FIELD(missing_ok);
return true;
}
@ -1009,6 +1010,7 @@ _equalRemoveOpClassStmt(RemoveOpClassStmt *a, RemoveOpClassStmt *b)
COMPARE_NODE_FIELD(opclassname);
COMPARE_STRING_FIELD(amname);
COMPARE_SCALAR_FIELD(behavior);
COMPARE_SCALAR_FIELD(missing_ok);
return true;
}
@ -1282,6 +1284,7 @@ static bool
_equalDropTableSpaceStmt(DropTableSpaceStmt *a, DropTableSpaceStmt *b)
{
COMPARE_STRING_FIELD(tablespacename);
COMPARE_SCALAR_FIELD(missing_ok);
return true;
}
@ -1312,6 +1315,7 @@ _equalDropPropertyStmt(DropPropertyStmt *a, DropPropertyStmt *b)
COMPARE_STRING_FIELD(property);
COMPARE_SCALAR_FIELD(removeType);
COMPARE_SCALAR_FIELD(behavior);
COMPARE_SCALAR_FIELD(missing_ok);
return true;
}
@ -1332,6 +1336,7 @@ _equalDropPLangStmt(DropPLangStmt *a, DropPLangStmt *b)
{
COMPARE_STRING_FIELD(plname);
COMPARE_SCALAR_FIELD(behavior);
COMPARE_SCALAR_FIELD(missing_ok);
return true;
}
@ -1445,6 +1450,7 @@ _equalDropCastStmt(DropCastStmt *a, DropCastStmt *b)
COMPARE_NODE_FIELD(sourcetype);
COMPARE_NODE_FIELD(targettype);
COMPARE_SCALAR_FIELD(behavior);
COMPARE_SCALAR_FIELD(missing_ok);
return true;
}

99
src/backend/parser/gram.y
View File

@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.545 2006/05/27 17:38:45 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.546 2006/06/16 20:23:44 adunstan Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -191,7 +191,7 @@ static void doNegateFloat(Value *v);
%type <ival> opt_lock lock_type cast_context
%type <boolean> opt_force opt_or_replace
opt_grant_grant_option opt_grant_admin_option
opt_nowait
opt_nowait opt_if_exists
%type <boolean> like_including_defaults
@ -2401,6 +2401,15 @@ DropPLangStmt:
DropPLangStmt *n = makeNode(DropPLangStmt);
n->plname = $4;
n->behavior = $5;
n->missing_ok = false;
$$ = (Node *)n;
}
| DROP opt_procedural LANGUAGE IF_P EXISTS ColId_or_Sconst opt_drop_behavior
{
DropPLangStmt *n = makeNode(DropPLangStmt);
n->plname = $6;
n->behavior = $7;
n->missing_ok = true;
$$ = (Node *)n;
}
;
@ -2445,6 +2454,14 @@ DropTableSpaceStmt: DROP TABLESPACE name
{
DropTableSpaceStmt *n = makeNode(DropTableSpaceStmt);
n->tablespacename = $3;
n->missing_ok = false;
$$ = (Node *) n;
}
| DROP TABLESPACE IF_P EXISTS name
{
DropTableSpaceStmt *n = makeNode(DropTableSpaceStmt);
n->tablespacename = $5;
n->missing_ok = true;
$$ = (Node *) n;
}
;
@ -2630,6 +2647,17 @@ DropTrigStmt:
n->property = $3;
n->behavior = $6;
n->removeType = OBJECT_TRIGGER;
n->missing_ok = false;
$$ = (Node *) n;
}
| DROP TRIGGER IF_P EXISTS name ON qualified_name opt_drop_behavior
{
DropPropertyStmt *n = makeNode(DropPropertyStmt);
n->relation = $7;
n->property = $5;
n->behavior = $8;
n->removeType = OBJECT_TRIGGER;
n->missing_ok = true;
$$ = (Node *) n;
}
;
@ -2903,6 +2931,16 @@ DropOpClassStmt:
n->opclassname = $4;
n->amname = $6;
n->behavior = $7;
n->missing_ok = false;
$$ = (Node *) n;
}
| DROP OPERATOR CLASS IF_P EXISTS any_name USING access_method opt_drop_behavior
{
RemoveOpClassStmt *n = makeNode(RemoveOpClassStmt);
n->opclassname = $6;
n->amname = $8;
n->behavior = $9;
n->missing_ok = true;
$$ = (Node *) n;
}
;
@ -3912,6 +3950,17 @@ RemoveFuncStmt:
n->name = $3;
n->args = extractArgTypes($4);
n->behavior = $5;
n->missing_ok = false;
$$ = (Node *)n;
}
| DROP FUNCTION IF_P EXISTS func_name func_args opt_drop_behavior
{
RemoveFuncStmt *n = makeNode(RemoveFuncStmt);
n->kind = OBJECT_FUNCTION;
n->name = $5;
n->args = extractArgTypes($6);
n->behavior = $7;
n->missing_ok = true;
$$ = (Node *)n;
}
;
@ -3924,6 +3973,17 @@ RemoveAggrStmt:
n->name = $3;
n->args = $4;
n->behavior = $5;
n->missing_ok = false;
$$ = (Node *)n;
}
| DROP AGGREGATE IF_P EXISTS func_name aggr_args opt_drop_behavior
{
RemoveFuncStmt *n = makeNode(RemoveFuncStmt);
n->kind = OBJECT_AGGREGATE;
n->name = $5;
n->args = $6;
n->behavior = $7;
n->missing_ok = true;
$$ = (Node *)n;
}
;
@ -3936,6 +3996,17 @@ RemoveOperStmt:
n->name = $3;
n->args = $5;
n->behavior = $7;
n->missing_ok = false;
$$ = (Node *)n;
}
| DROP OPERATOR IF_P EXISTS any_operator '(' oper_argtypes ')' opt_drop_behavior
{
RemoveFuncStmt *n = makeNode(RemoveFuncStmt);
n->kind = OBJECT_OPERATOR;
n->name = $5;
n->args = $7;
n->behavior = $9;
n->missing_ok = true;
$$ = (Node *)n;
}
;
@ -3998,16 +4069,21 @@ cast_context: AS IMPLICIT_P { $$ = COERCION_IMPLICIT; }
;
DropCastStmt: DROP CAST '(' Typename AS Typename ')' opt_drop_behavior
DropCastStmt: DROP CAST opt_if_exists '(' Typename AS Typename ')' opt_drop_behavior
{
DropCastStmt *n = makeNode(DropCastStmt);
n->sourcetype = $4;
n->targettype = $6;
n->behavior = $8;
n->sourcetype = $5;
n->targettype = $7;
n->behavior = $9;
n->missing_ok =
$$ = (Node *)n;
}
;
opt_if_exists: IF_P EXISTS { $$ = true; }
| /* empty */ { $$ = false; }
;
/*****************************************************************************
@ -4432,6 +4508,17 @@ DropRuleStmt:
n->property = $3;
n->behavior = $6;
n->removeType = OBJECT_RULE;
n->missing_ok = false;
$$ = (Node *) n;
}
| DROP RULE IF_P EXISTS name ON qualified_name opt_drop_behavior
{
DropPropertyStmt *n = makeNode(DropPropertyStmt);
n->relation = $7;
n->property = $5;
n->behavior = $8;
n->removeType = OBJECT_RULE;
n->missing_ok = true;
$$ = (Node *) n;
}
;

21
src/backend/rewrite/rewriteRemove.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/rewrite/rewriteRemove.c,v 1.64 2006/03/05 15:58:36 momjian Exp $
* $PostgreSQL: pgsql/src/backend/rewrite/rewriteRemove.c,v 1.65 2006/06/16 20:23:44 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -34,7 +34,8 @@
* Delete a rule given its name.
*/
void
RemoveRewriteRule(Oid owningRel, const char *ruleName, DropBehavior behavior)
RemoveRewriteRule(Oid owningRel, const char *ruleName, DropBehavior behavior,
bool missing_ok)
{
HeapTuple tuple;
Oid eventRelationOid;
@ -53,10 +54,18 @@ RemoveRewriteRule(Oid owningRel, const char *ruleName, DropBehavior behavior)
* complain if no rule with such name exists
*/
if (!HeapTupleIsValid(tuple))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("rule \"%s\" for relation \"%s\" does not exist",
ruleName, get_rel_name(owningRel))));
{
if (! missing_ok)
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("rule \"%s\" for relation \"%s\" does not exist",
ruleName, get_rel_name(owningRel))));
else
ereport(NOTICE,
(errmsg("rule \"%s\" for relation \"%s\" does not exist ... skipping",
ruleName, get_rel_name(owningRel))));
return;
}
/*
* Verify user has appropriate permissions.

6
src/backend/tcop/utility.c
View File

@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.257 2006/04/30 18:30:40 tgl Exp $
* $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.258 2006/06/16 20:23:44 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -986,12 +986,12 @@ ProcessUtility(Node *parsetree,
case OBJECT_RULE:
/* RemoveRewriteRule checks permissions */
RemoveRewriteRule(relId, stmt->property,
stmt->behavior);
stmt->behavior, stmt->missing_ok);
break;
case OBJECT_TRIGGER:
/* DropTrigger checks permissions */
DropTrigger(relId, stmt->property,
stmt->behavior);
stmt->behavior, stmt->missing_ok);
break;
default:
elog(ERROR, "unrecognized object type: %d",

4
src/include/commands/trigger.h
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.57 2006/03/05 15:58:55 momjian Exp $
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.58 2006/06/16 20:23:45 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -108,7 +108,7 @@ typedef struct TriggerData
extern Oid CreateTrigger(CreateTrigStmt *stmt, bool forConstraint);
extern void DropTrigger(Oid relid, const char *trigname,
DropBehavior behavior);
DropBehavior behavior, bool missing_ok);
extern void RemoveTriggerById(Oid trigOid);
extern void renametrig(Oid relid, const char *oldname, const char *newname);

8
src/include/nodes/parsenodes.h
View File

@ -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;

4
src/include/rewrite/rewriteRemove.h
View File

@ -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/rewrite/rewriteRemove.h,v 1.21 2006/03/05 15:58:58 momjian Exp $
* $PostgreSQL: pgsql/src/include/rewrite/rewriteRemove.h,v 1.22 2006/06/16 20:23:45 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -18,7 +18,7 @@
extern void RemoveRewriteRule(Oid owningRel, const char *ruleName,
DropBehavior behavior);
DropBehavior behavior, bool missing_ok);
extern void RemoveRewriteRuleById(Oid ruleOid);
#endif /* REWRITEREMOVE_H */