amvalidate.h

Go to the documentation of this file.

/*-------------------------------------------------------------------------
 *
 * 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 */