pg_extension.h

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/*-------------------------------------------------------------------------
 *
 * pg_extension.h
 *    definition of the "extension" system catalog (pg_extension)
 *
 *
 * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/catalog/pg_extension.h
 *
 * NOTES
 *    The Catalog.pm module reads this file and derives schema
 *    information.
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_EXTENSION_H
#define PG_EXTENSION_H
 
#include "catalog/genbki.h"
#include "catalog/pg_extension_d.h" /* IWYU pragma: export */
 
/* ----------------
 *      pg_extension definition.  cpp turns this into
 *      typedef struct FormData_pg_extension
 * ----------------
 */
CATALOG(pg_extension,3079,ExtensionRelationId)
{
    Oid         oid;            /* oid */
    NameData    extname;        /* extension name */
    Oid         extowner BKI_LOOKUP(pg_authid); /* extension owner */
    Oid         extnamespace BKI_LOOKUP(pg_namespace);  /* namespace of
                                                         * contained objects */
    bool        extrelocatable; /* if true, allow ALTER EXTENSION SET SCHEMA */
 
#ifdef CATALOG_VARLEN           /* variable-length fields start here */
    /* extversion may never be null, but the others can be. */
    text        extversion BKI_FORCE_NOT_NULL;  /* extension version name */
    Oid         extconfig[1] BKI_LOOKUP(pg_class);  /* dumpable configuration
                                                     * tables */
    text        extcondition[1];    /* WHERE clauses for config tables */
#endif
} FormData_pg_extension;
 
/* ----------------
 *      Form_pg_extension corresponds to a pointer to a tuple with
 *      the format of pg_extension relation.
 * ----------------
 */
typedef FormData_pg_extension *Form_pg_extension;
 
DECLARE_TOAST(pg_extension, 4147, 4148);
 
DECLARE_UNIQUE_INDEX_PKEY(pg_extension_oid_index, 3080, ExtensionOidIndexId, pg_extension, btree(oid oid_ops));
DECLARE_UNIQUE_INDEX(pg_extension_name_index, 3081, ExtensionNameIndexId, pg_extension, btree(extname name_ops));
 
MAKE_SYSCACHE(EXTENSIONOID, pg_extension_oid_index, 2);
MAKE_SYSCACHE(EXTENSIONNAME, pg_extension_name_index, 2);
 
#endif                          /* PG_EXTENSION_H */