diff options
Diffstat (limited to 'src/backend/catalog/dependency.c')
| -rw-r--r-- | src/backend/catalog/dependency.c | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/src/backend/catalog/dependency.c b/src/backend/catalog/dependency.c index 227b21c656..8060055ff7 100644 --- a/src/backend/catalog/dependency.c +++ b/src/backend/catalog/dependency.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/catalog/dependency.c,v 1.45 2005/07/07 20:39:57 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/catalog/dependency.c,v 1.46 2005/10/02 23:50:07 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1030,6 +1030,59 @@ find_expr_references_walker(Node *node, } return false; } + if (IsA(node, Const)) + { + Const *con = (Const *) node; + Oid objoid; + + /* + * If it's a regclass or similar literal referring to an existing + * object, add a reference to that object. (Currently, only the + * regclass case has any likely use, but we may as well handle all + * the OID-alias datatypes consistently.) + */ + if (!con->constisnull) + { + switch (con->consttype) + { + case REGPROCOID: + case REGPROCEDUREOID: + objoid = DatumGetObjectId(con->constvalue); + if (SearchSysCacheExists(PROCOID, + ObjectIdGetDatum(objoid), + 0, 0, 0)) + add_object_address(OCLASS_PROC, objoid, 0, + &context->addrs); + break; + case REGOPEROID: + case REGOPERATOROID: + objoid = DatumGetObjectId(con->constvalue); + if (SearchSysCacheExists(OPEROID, + ObjectIdGetDatum(objoid), + 0, 0, 0)) + add_object_address(OCLASS_OPERATOR, objoid, 0, + &context->addrs); + break; + case REGCLASSOID: + objoid = DatumGetObjectId(con->constvalue); + if (SearchSysCacheExists(RELOID, + ObjectIdGetDatum(objoid), + 0, 0, 0)) + add_object_address(OCLASS_CLASS, objoid, 0, + &context->addrs); + break; + case REGTYPEOID: + objoid = DatumGetObjectId(con->constvalue); + if (SearchSysCacheExists(TYPEOID, + ObjectIdGetDatum(objoid), + 0, 0, 0)) + add_object_address(OCLASS_TYPE, objoid, 0, + &context->addrs); + break; + } + } + return false; + } if (IsA(node, FuncExpr)) { FuncExpr *funcexpr = (FuncExpr *) node; |