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/*-------------------------------------------------------------------------
*
* catalog_utils.h--
*
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_oper.h,v 1.2 1997/11/26 01:14:07 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_OPER_H
#define PARSE_OPER_H
#include <parser/parse_func.h>
#include <parser/parse_node.h>
typedef HeapTuple Operator;
extern Oid any_ordering_op(int restype);
extern Oid oprid(Operator op);
extern int binary_oper_get_candidates(char *opname,
Oid leftTypeId,
Oid rightTypeId,
CandidateList *candidates);
extern bool equivalentOpersAfterPromotion(CandidateList candidates);
extern CandidateList binary_oper_select_candidate(Oid arg1,
Oid arg2,
CandidateList candidates);
extern Operator oper(char *op, Oid arg1, Oid arg2, bool noWarnings);
extern int unary_oper_get_candidates(char *op,
Oid typeId,
CandidateList *candidates,
char rightleft);
extern Operator right_oper(char *op, Oid arg);
extern Operator left_oper(char *op, Oid arg);
extern void op_error(char *op, Oid arg1, Oid arg2);
#endif /* PARSE_OPER_H */
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