postgresql/src/include/catalog/pg_statistic_ext_data.h
Peter Eisentraut 9b1a6f50b9 Generate syscache info from catalog files
Add a new genbki macros MAKE_SYSCACHE that specifies the syscache ID
macro, the underlying index, and the number of buckets.  From that, we
can generate the existing tables in syscache.h and syscache.c via
genbki.pl.

Reviewed-by: John Naylor <johncnaylorls@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/75ae5875-3abc-dafc-8aec-73247ed41cde@eisentraut.org
2024-01-23 07:31:06 +01:00

62 lines
2.1 KiB
C

/*-------------------------------------------------------------------------
*
* pg_statistic_ext_data.h
* definition of the "extended statistics data" system catalog
* (pg_statistic_ext_data)
*
* This catalog stores the statistical data for extended statistics objects.
*
* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/pg_statistic_ext_data.h
*
* NOTES
* The Catalog.pm module reads this file and derives schema
* information.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_STATISTIC_EXT_DATA_H
#define PG_STATISTIC_EXT_DATA_H
#include "catalog/genbki.h"
#include "catalog/pg_statistic_ext_data_d.h"
/* ----------------
* pg_statistic_ext_data definition. cpp turns this into
* typedef struct FormData_pg_statistic_ext_data
* ----------------
*/
CATALOG(pg_statistic_ext_data,3429,StatisticExtDataRelationId)
{
Oid stxoid BKI_LOOKUP(pg_statistic_ext); /* statistics object
* this data is for */
bool stxdinherit; /* true if inheritance children are included */
#ifdef CATALOG_VARLEN /* variable-length fields start here */
pg_ndistinct stxdndistinct; /* ndistinct coefficients (serialized) */
pg_dependencies stxddependencies; /* dependencies (serialized) */
pg_mcv_list stxdmcv; /* MCV (serialized) */
pg_statistic stxdexpr[1]; /* stats for expressions */
#endif
} FormData_pg_statistic_ext_data;
/* ----------------
* Form_pg_statistic_ext_data corresponds to a pointer to a tuple with
* the format of pg_statistic_ext_data relation.
* ----------------
*/
typedef FormData_pg_statistic_ext_data *Form_pg_statistic_ext_data;
DECLARE_TOAST(pg_statistic_ext_data, 3430, 3431);
DECLARE_UNIQUE_INDEX_PKEY(pg_statistic_ext_data_stxoid_inh_index, 3433, StatisticExtDataStxoidInhIndexId, pg_statistic_ext_data, btree(stxoid oid_ops, stxdinherit bool_ops));
MAKE_SYSCACHE(STATEXTDATASTXOID, pg_statistic_ext_data_stxoid_inh_index, 4);
#endif /* PG_STATISTIC_EXT_DATA_H */