1/*-------------------------------------------------------------------------
2 *
3 * pg_range.h
4 * definition of the "range type" system catalog (pg_range)
5 *
6 *
7 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
9 *
10 * src/include/catalog/pg_range.h
11 *
12 * NOTES
13 * The Catalog.pm module reads this file and derives schema
14 * information.
15 *
16 *-------------------------------------------------------------------------
17 */
18#ifndef PG_RANGE_H
19#define PG_RANGE_H
20
21#include "catalog/genbki.h"
22#include "catalog/pg_range_d.h"
23
24/* ----------------
25 * pg_range definition. cpp turns this into
26 * typedef struct FormData_pg_range
27 * ----------------
28 */
29CATALOG(pg_range,3541,RangeRelationId)
30{
31 /* OID of owning range type */
32 Oid rngtypid BKI_LOOKUP(pg_type);
33
34 /* OID of range's element type (subtype) */
35 Oid rngsubtype BKI_LOOKUP(pg_type);
36
37 /* collation for this range type, or 0 */
38 Oid rngcollation BKI_DEFAULT(0);
39
40 /* subtype's btree opclass */
41 Oid rngsubopc BKI_LOOKUP(pg_opclass);
42
43 /* canonicalize range, or 0 */
44 regproc rngcanonical BKI_LOOKUP(pg_proc);
45
46 /* subtype difference as a float8, or 0 */
47 regproc rngsubdiff BKI_LOOKUP(pg_proc);
48} FormData_pg_range;
49
50/* ----------------
51 * Form_pg_range corresponds to a pointer to a tuple with
52 * the format of pg_range relation.
53 * ----------------
54 */
55typedef FormData_pg_range *Form_pg_range;
56
57/*
58 * prototypes for functions in pg_range.c
59 */
60
61extern void RangeCreate(Oid rangeTypeOid, Oid rangeSubType, Oid rangeCollation,
62 Oid rangeSubOpclass, RegProcedure rangeCanonical,
63 RegProcedure rangeSubDiff);
64extern void RangeDelete(Oid rangeTypeOid);
65
66#endif /* PG_RANGE_H */
67