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/*------------------------------------------------------------------------- * * pg_shdepend.h * definition of the system "shared dependency" relation (pg_shdepend) * along with the relation's initial contents. * * * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/catalog/pg_shdepend.h * * NOTES * the genbki.pl script reads this file and generates .bki * information from the DATA() statements. * *------------------------------------------------------------------------- */ #ifndef PG_SHDEPEND_H #define PG_SHDEPEND_H #include "catalog/genbki.h" /* ---------------- * pg_shdepend definition. cpp turns this into * typedef struct FormData_pg_shdepend * ---------------- */ #define SharedDependRelationId 1214 CATALOG(pg_shdepend,1214) BKI_SHARED_RELATION BKI_WITHOUT_OIDS { /* * Identification of the dependent (referencing) object. * * These fields are all zeroes for a DEPENDENCY_PIN entry. Also, dbid can * be zero to denote a shared object. */ Oid dbid; /* OID of database containing object */ Oid classid; /* OID of table containing object */ Oid objid; /* OID of object itself */ int4 objsubid; /* column number, or 0 if not used */ /* * Identification of the independent (referenced) object. This is always * a shared object, so we need no database ID field. We don't bother with * a sub-object ID either. */ Oid refclassid; /* OID of table containing object */ Oid refobjid; /* OID of object itself */ /* * Precise semantics of the relationship are specified by the deptype * field. See SharedDependencyType in catalog/dependency.h. */ char deptype; /* see codes in dependency.h */ } FormData_pg_shdepend; /* ---------------- * Form_pg_shdepend corresponds to a pointer to a row with * the format of pg_shdepend relation. * ---------------- */ typedef FormData_pg_shdepend *Form_pg_shdepend; /* ---------------- * compiler constants for pg_shdepend * ---------------- */ #define Natts_pg_shdepend 7 #define Anum_pg_shdepend_dbid 1 #define Anum_pg_shdepend_classid 2 #define Anum_pg_shdepend_objid 3 #define Anum_pg_shdepend_objsubid 4 #define Anum_pg_shdepend_refclassid 5 #define Anum_pg_shdepend_refobjid 6 #define Anum_pg_shdepend_deptype 7 /* * pg_shdepend has no preloaded contents; system-defined dependencies are * loaded into it during a late stage of the initdb process. * * NOTE: we do not represent all possible dependency pairs in pg_shdepend; * for example, there's not much value in creating an explicit dependency * from a relation to its database. Currently, only dependencies on roles * are explicitly stored in pg_shdepend. */ #endif /* PG_SHDEPEND_H */