PostgreSQL Source Code: src/include/catalog/pg_statistic_ext_data.h Source File

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pg_statistic_ext_data.h
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1/*-------------------------------------------------------------------------
2 *
3 * pg_statistic_ext_data.h
4 * definition of the "extended statistics data" system catalog
5 * (pg_statistic_ext_data)
6 *
7 * This catalog stores the statistical data for extended statistics objects.
8 *
9 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
10 * Portions Copyright (c) 1994, Regents of the University of California
11 *
12 * src/include/catalog/pg_statistic_ext_data.h
13 *
14 * NOTES
15 * The Catalog.pm module reads this file and derives schema
16 * information.
17 *
18 *-------------------------------------------------------------------------
19 */
20#ifndef PG_STATISTIC_EXT_DATA_H
21#define PG_STATISTIC_EXT_DATA_H
22
23#include "catalog/genbki.h"
24#include "catalog/pg_statistic_ext_data_d.h" /* IWYU pragma: export */
25
26/* ----------------
27 * pg_statistic_ext_data definition. cpp turns this into
28 * typedef struct FormData_pg_statistic_ext_data
29 * ----------------
30 */
31 CATALOG(pg_statistic_ext_data,3429,StatisticExtDataRelationId)
32{
33 Oid stxoid BKI_LOOKUP(pg_statistic_ext); /* statistics object
34 * this data is for */
35 bool stxdinherit; /* true if inheritance children are included */
36
37#ifdef CATALOG_VARLEN /* variable-length fields start here */
38
39 pg_ndistinct stxdndistinct; /* ndistinct coefficients (serialized) */
40 pg_dependencies stxddependencies; /* dependencies (serialized) */
41 pg_mcv_list stxdmcv; /* MCV (serialized) */
42 pg_statistic stxdexpr[1]; /* stats for expressions */
43
44#endif
45
46 } FormData_pg_statistic_ext_data;
47
48/* ----------------
49 * Form_pg_statistic_ext_data corresponds to a pointer to a tuple with
50 * the format of pg_statistic_ext_data relation.
51 * ----------------
52 */
53 typedef FormData_pg_statistic_ext_data *Form_pg_statistic_ext_data;
54
55 DECLARE_TOAST(pg_statistic_ext_data, 3430, 3431);
56
57 DECLARE_UNIQUE_INDEX_PKEY(pg_statistic_ext_data_stxoid_inh_index, 3433, StatisticExtDataStxoidInhIndexId, pg_statistic_ext_data, btree(stxoid oid_ops, stxdinherit bool_ops));
58
59 MAKE_SYSCACHE(STATEXTDATASTXOID, pg_statistic_ext_data_stxoid_inh_index, 4);
60
61#endif /* PG_STATISTIC_EXT_DATA_H */
#define BKI_LOOKUP(catalog)
Definition: genbki.h:46
DECLARE_UNIQUE_INDEX_PKEY(pg_statistic_ext_data_stxoid_inh_index, 3433, StatisticExtDataStxoidInhIndexId, pg_statistic_ext_data, btree(stxoid oid_ops, stxdinherit bool_ops))
FormData_pg_statistic_ext_data * Form_pg_statistic_ext_data
DECLARE_TOAST(pg_statistic_ext_data, 3430, 3431)
CATALOG(pg_statistic_ext_data, 3429, StatisticExtDataRelationId)
MAKE_SYSCACHE(STATEXTDATASTXOID, pg_statistic_ext_data_stxoid_inh_index, 4)
FormData_pg_statistic_ext_data
unsigned int Oid
Definition: postgres_ext.h:32

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