/*------------------------------------------------------------------------- * * pg_shdescription.h * definition of the "shared description" system catalog * (pg_shdescription) * * Because the contents of this table are taken from the *.dat files * of other catalogs, there is no pg_shdescription.dat file. The initial * contents are assembled by genbki.pl and loaded during initdb. * * NOTE: an object is identified by the OID of the row that primarily * defines the object, plus the OID of the table that that row appears in. * For example, a database is identified by the OID of its pg_database row * plus the pg_class OID of table pg_database. This allows unique * identification of objects without assuming that OIDs are unique * across tables. * * * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/catalog/pg_shdescription.h * * NOTES * The Catalog.pm module reads this file and derives schema * information. * *------------------------------------------------------------------------- */ #ifndef PG_SHDESCRIPTION_H #define PG_SHDESCRIPTION_H #include "catalog/genbki.h" #include "catalog/pg_shdescription_d.h" /* ---------------- * pg_shdescription definition. cpp turns this into * typedef struct FormData_pg_shdescription * ---------------- */ CATALOG(pg_shdescription,2396,SharedDescriptionRelationId) BKI_SHARED_RELATION { Oid objoid; /* OID of object itself */ Oid classoid; /* OID of table containing object */ #ifdef CATALOG_VARLEN /* variable-length fields start here */ text description BKI_FORCE_NOT_NULL; /* description of object */ #endif } FormData_pg_shdescription; /* ---------------- * Form_pg_shdescription corresponds to a pointer to a tuple with * the format of pg_shdescription relation. * ---------------- */ typedef FormData_pg_shdescription * Form_pg_shdescription; #endif /* PG_SHDESCRIPTION_H */