src/include/access/amvalidate.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * amvalidate.h
   4  *        Support routines for index access methods' amvalidate functions.
   5  *
   6  * Copyright (c) 2016-2019, PostgreSQL Global Development Group
   7  *
   8  * src/include/access/amvalidate.h
   9  *
  10  *-------------------------------------------------------------------------
  11  */
  12 #ifndef AMVALIDATE_H
  13 #define AMVALIDATE_H
  14
  15 #include "utils/catcache.h"
  16
  17
  18 /* Struct returned (in a list) by identify_opfamily_groups() */
  19 typedef struct OpFamilyOpFuncGroup
  20 {
  21         Oid                     lefttype;               /* amoplefttype/amproclefttype */
  22         Oid                     righttype;              /* amoprighttype/amprocrighttype */
  23         uint64          operatorset;    /* bitmask of operators with these types */
  24         uint64          functionset;    /* bitmask of support funcs with these types */
  25 } OpFamilyOpFuncGroup;
  26
  27
  28 /* Functions in access/index/amvalidate.c */
  29 extern List *identify_opfamily_groups(CatCList *oprlist, CatCList *proclist);
  30 extern bool check_amproc_signature(Oid funcid, Oid restype, bool exact,
  31                                                                    int minargs, int maxargs,...);
  32 extern bool check_amop_signature(Oid opno, Oid restype,
  33                                                                  Oid lefttype, Oid righttype);
  34 extern bool opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid);
  35
  36 #endif                                                  /* AMVALIDATE_H */