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/*-------------------------------------------------------------------------
*
* lsyscache.h--
*
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: lsyscache.h,v 1.12 1998/08/04 16:44:31 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef LSYSCACHE_H
#define LSYSCACHE_H
#include <access/attnum.h>
#include <access/htup.h>
extern bool op_class(Oid opid, int32 opclass, Oid amopid);
extern char *get_attname(Oid relid, AttrNumber attnum);
extern AttrNumber get_attnum(Oid relid, char *attname);
extern Oid get_atttype(Oid relid, AttrNumber attnum);
extern bool get_attisset(Oid relid, char *attname);
extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
extern RegProcedure get_opcode(Oid opid);
extern char *get_opname(Oid opid);
extern bool
op_mergejoinable(Oid opid, Oid ltype, Oid rtype,
Oid *leftOp, Oid *rightOp);
extern Oid op_hashjoinable(Oid opid, Oid ltype, Oid rtype);
extern Oid get_commutator(Oid opid);
extern HeapTuple get_operator_tuple(Oid opno);
extern Oid get_negator(Oid opid);
extern RegProcedure get_oprrest(Oid opid);
extern RegProcedure get_oprjoin(Oid opid);
extern int get_relnatts(Oid relid);
extern char *get_rel_name(Oid relid);
extern struct varlena *get_relstub(Oid relid, int no, bool *islast);
extern Oid get_ruleid(char *rulename);
extern Oid get_eventrelid(Oid ruleid);
extern int16 get_typlen(Oid typid);
extern bool get_typbyval(Oid typid);
extern struct varlena *get_typdefault(Oid typid);
#endif /* LSYSCACHE_H */
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