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/*------------------------------------------------------------------------- * * pg_init_privs.h * definition of the system "initial privileges" relation (pg_init_privs) * * 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 function is identified by the OID of its pg_proc row * plus the pg_class OID of table pg_proc. This allows unique identification * of objects without assuming that OIDs are unique across tables. * * Since attributes don't have OIDs of their own, we identify an attribute * privilege by the objoid+classoid of its parent table, plus an "objsubid" * giving the attribute column number. "objsubid" must be zero in a privilege * for a table itself, so that it is distinct from any column privilege. * Currently, objsubid is unused and zero for all other kinds of objects. * * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/catalog/pg_init_privs.h * * NOTES * the genbki.pl script reads this file and generates .bki * information from the DATA() statements. * * XXX do NOT break up DATA() statements into multiple lines! * the scripts are not as smart as you might think... * *------------------------------------------------------------------------- */ #ifndef PG_INIT_PRIVS_H #define PG_INIT_PRIVS_H #include "catalog/genbki.h" /* ---------------- * pg_init_privs definition. cpp turns this into * typedef struct FormData_pg_init_privs * ---------------- */ #define InitPrivsRelationId 3394 CATALOG(pg_init_privs,3394) BKI_WITHOUT_OIDS { Oid objoid; /* OID of object itself */ Oid classoid; /* OID of table containing object */ int32 objsubid; /* column number, or 0 if not used */ char privtype; /* from initdb or extension? */ #ifdef CATALOG_VARLEN /* variable-length fields start here */ aclitem initprivs[1] BKI_FORCE_NOT_NULL; /* initial privs on * object */ #endif } FormData_pg_init_privs; /* ---------------- * Form_pg_init_privs corresponds to a pointer to a tuple with * the format of pg_init_privs relation. * ---------------- */ typedef FormData_pg_init_privs *Form_pg_init_privs; /* ---------------- * compiler constants for pg_init_privs * ---------------- */ #define Natts_pg_init_privs 5 #define Anum_pg_init_privs_objoid 1 #define Anum_pg_init_privs_classoid 2 #define Anum_pg_init_privs_objsubid 3 #define Anum_pg_init_privs_privtype 4 #define Anum_pg_init_privs_privs 5 /* * It is important to know if the initial privileges are from initdb or from an * extension. This enum is used to provide that differentiation and the two * places which populate this table (initdb and during CREATE EXTENSION, see * recordExtensionInitPriv()) know to use the correct values. */ typedef enum InitPrivsType { INITPRIVS_INITDB = 'i', INITPRIVS_EXTENSION = 'e' } InitPrivsType; /* ---------------- * initial contents of pg_init_privs * ---------------- */ /* * Because the contents of this table depend on what is done with the other * objects in the system (and, in particular, may change due to changes is * system_views.sql), there is no initialization here. * * The initial contents are loaded near the end of initdb. */ #endif /* PG_INIT_PRIVS_H */