return InvalidOid;
}
-/*
- * get_atttypmod
- *
- * Given the relation id and the attribute number,
- * return the "atttypmod" field from the attribute relation.
- */
-int32
-get_atttypmod(Oid relid, AttrNumber attnum)
-{
- HeapTuple tp;
-
- tp = SearchSysCache2(ATTNUM,
- ObjectIdGetDatum(relid),
- Int16GetDatum(attnum));
- if (HeapTupleIsValid(tp))
- {
- Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp);
- int32 result;
-
- result = att_tup->atttypmod;
- ReleaseSysCache(tp);
- return result;
- }
- else
- return -1;
-}
-
/*
* get_atttypetypmodcoll
*
* A three-fer: given the relation id and the attribute number,
* fetch atttypid, atttypmod, and attcollation in a single cache lookup.
*
- * Unlike the otherwise-similar get_atttype/get_atttypmod, this routine
+ * Unlike the otherwise-similar get_atttype, this routine
* raises an error if it can't obtain the information.
*/
void
extern AttrNumber get_attnum(Oid relid, const char *attname);
extern char get_attidentity(Oid relid, AttrNumber attnum);
extern Oid get_atttype(Oid relid, AttrNumber attnum);
-extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
extern void get_atttypetypmodcoll(Oid relid, AttrNumber attnum,
Oid *typid, int32 *typmod, Oid *collid);
extern char *get_collation_name(Oid colloid);