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/*-------------------------------------------------------------------------
*
* amvalidate.h
* Support routines for index access methods' amvalidate functions.
*
* Copyright (c) 2016, PostgreSQL Global Development Group
*
* src/include/access/amvalidate.h
*
*-------------------------------------------------------------------------
*/
#ifndef AMVALIDATE_H
#define AMVALIDATE_H
#include "utils/catcache.h"
/* Struct returned (in a list) by identify_opfamily_groups() */
typedef struct OpFamilyOpFuncGroup
{
Oid lefttype; /* amoplefttype/amproclefttype */
Oid righttype; /* amoprighttype/amprocrighttype */
uint64 operatorset; /* bitmask of operators with these types */
uint64 functionset; /* bitmask of support funcs with these types */
} OpFamilyOpFuncGroup;
/* Functions in access/index/amvalidate.c */
extern List *identify_opfamily_groups(CatCList *oprlist, CatCList *proclist);
extern bool check_amproc_signature(Oid funcid, Oid restype, bool exact,
int minargs, int maxargs,...);
extern bool check_amop_signature(Oid opno, Oid restype,
Oid lefttype, Oid righttype);
extern bool opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid);
#endif /* AMVALIDATE_H */