pg_rewrite.h

Go to the documentation of this file.

/*-------------------------------------------------------------------------
 *
 * pg_rewrite.h
 *    definition of the "rewrite rule" system catalog (pg_rewrite)
 *
 * As of Postgres 7.3, the primary key for this table is <ev_class, rulename>
 * --- ie, rule names are only unique among the rules of a given table.
 *
 *
 * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/catalog/pg_rewrite.h
 *
 * NOTES
 *    The Catalog.pm module reads this file and derives schema
 *    information.
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_REWRITE_H
#define PG_REWRITE_H
 
#include "catalog/genbki.h"
#include "catalog/pg_rewrite_d.h"
 
/* ----------------
 *      pg_rewrite definition.  cpp turns this into
 *      typedef struct FormData_pg_rewrite
 * ----------------
 */
CATALOG(pg_rewrite,2618,RewriteRelationId)
{
    Oid         oid;            /* oid */
    NameData    rulename;
    Oid         ev_class BKI_LOOKUP(pg_class);
    char        ev_type;
    char        ev_enabled;
    bool        is_instead;
 
#ifdef CATALOG_VARLEN           /* variable-length fields start here */
    pg_node_tree ev_qual BKI_FORCE_NOT_NULL;
    pg_node_tree ev_action BKI_FORCE_NOT_NULL;
#endif
} FormData_pg_rewrite;
 
/* ----------------
 *      Form_pg_rewrite corresponds to a pointer to a tuple with
 *      the format of pg_rewrite relation.
 * ----------------
 */
typedef FormData_pg_rewrite *Form_pg_rewrite;
 
DECLARE_TOAST(pg_rewrite, 2838, 2839);
 
DECLARE_UNIQUE_INDEX_PKEY(pg_rewrite_oid_index, 2692, RewriteOidIndexId, pg_rewrite, btree(oid oid_ops));
DECLARE_UNIQUE_INDEX(pg_rewrite_rel_rulename_index, 2693, RewriteRelRulenameIndexId, pg_rewrite, btree(ev_class oid_ops, rulename name_ops));
 
MAKE_SYSCACHE(RULERELNAME, pg_rewrite_rel_rulename_index, 8);
 
#endif                          /* PG_REWRITE_H */