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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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12
src/backend/commands/operatorcmds.c
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@ -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),