amvalidate.h

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/*-------------------------------------------------------------------------
 *
 * amvalidate.h
 *    Support routines for index access methods' amvalidate and
 *    amadjustmembers functions.
 *
 * Copyright (c) 2016-2024, 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_amoptsproc_signature(Oid funcid);
extern bool check_amop_signature(Oid opno, Oid restype,
                                 Oid lefttype, Oid righttype);
extern Oid  opclass_for_family_datatype(Oid amoid, Oid opfamilyoid,
                                        Oid datatypeoid);
extern bool opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid);
 
#endif                          /* AMVALIDATE_H */