1 /*-------------------------------------------------------------------------
2  *
3  * predtest.h
4  *	  prototypes for predtest.c
5  *
6  *
7  * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/optimizer/predtest.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef PREDTEST_H
15 #define PREDTEST_H
16 
17 #include "nodes/primnodes.h"
18 
19 
20 extern bool predicate_implied_by(List *predicate_list, List *clause_list,
21 					 bool weak);
22 extern bool predicate_refuted_by(List *predicate_list, List *clause_list,
23 					 bool weak);
24 
25 #endif							/* PREDTEST_H */
26