32 int minargs,
int maxargs,...);
35 Oid lefttype,
Oid righttype);
Oid opclass_for_family_datatype(Oid amoid, Oid opfamilyoid, Oid datatypeoid)
bool check_amproc_signature(Oid funcid, Oid restype, bool exact, int minargs, int maxargs,...)
struct OpFamilyOpFuncGroup OpFamilyOpFuncGroup
bool check_amop_signature(Oid opno, Oid restype, Oid lefttype, Oid righttype)
List * identify_opfamily_groups(CatCList *oprlist, CatCList *proclist)
bool opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid)
bool check_amoptsproc_signature(Oid funcid)