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+pg_shdepend "The catalog pg_shdepend records the dependency relationships between database objects and shared objects, such as roles. This information allows PostgreSQL to ensure that those objects are unreferenced before attempting to delete them. See also pg_depend, which performs a similar function for dependencies involving objects within a single database. Unlike most system catalogs, pg_shdepend is shared across all databases of a cluster: there is only one copy of pg_shdepend per cluster, not one per database." "Represents a single shared-object dependency" pgsqlCatalogTables 28 "pgsnmpdConnID, pgsqlPgShdependDbid, pgsqlPgShdependClassid, pgsqlPgShdependObjid"
+dbid INTEGER "The OID of the database the dependent object is in, or zero for a shared object"
+classid INTEGER "The OID of the system catalog the dependent object is in"
+objid INTEGER "The OID of the specific dependent object"
+refclassid INTEGER "The OID of the system catalog the referenced object is in (must be a shared catalog)"
+refobjid INTEGER "The OID of the specific referenced object"
+deptype DisplayString "A code defining the specific semantics of this dependency relationship; see text"