1 /*-------------------------------------------------------------------------
7 * Copyright (c) 1994, Regents of the University of California
9 * $Id: lsyscache.h,v 1.4 1997/09/07 05:02:39 momjian Exp $
11 *-------------------------------------------------------------------------
16 #include <access/attnum.h>
17 #include <access/htup.h>
19 extern bool op_class(Oid opid, int32 opclass, Oid amopid);
20 extern char *get_attname(Oid relid, AttrNumber attnum);
21 extern AttrNumber get_attnum(Oid relid, char *attname);
22 extern Oid get_atttype(Oid relid, AttrNumber attnum);
23 extern bool get_attisset(Oid relid, char *attname);
24 extern RegProcedure get_opcode(Oid opid);
25 extern char *get_opname(Oid opid);
27 op_mergesortable(Oid opid, Oid ltype, Oid rtype,
28 Oid * leftOp, Oid * rightOp);
29 extern Oid op_hashjoinable(Oid opid, Oid ltype, Oid rtype);
30 extern Oid get_commutator(Oid opid);
31 extern HeapTuple get_operator_tuple(Oid opno);
32 extern Oid get_negator(Oid opid);
33 extern RegProcedure get_oprrest(Oid opid);
34 extern RegProcedure get_oprjoin(Oid opid);
35 extern int get_relnatts(Oid relid);
36 extern char *get_rel_name(Oid relid);
37 extern struct varlena *get_relstub(Oid relid, int no, bool * islast);
38 extern Oid get_ruleid(char *rulename);
39 extern Oid get_eventrelid(Oid ruleid);
40 extern int16 get_typlen(Oid typid);
41 extern bool get_typbyval(Oid typid);
42 extern struct varlena *get_typdefault(Oid typid);
44 #endif /* LSYSCACHE_H */