PG_EXTERNAL_NAMESPACE¶
Stores EXTERNAL SCHEMA information. This system catalog is supported only in 8.3.0 and later versions.
Name | Type | Description |
|---|---|---|
nspid | OID | External schema OID |
srvname | Text | Name of the foreign server |
source | Text | Metadata service type |
address | Text | Metadata service address |
database | Text | Metadata server database |
confpath | Text | Path of the configuration file of the metadata server |
ensoptions | Text[] | Reserved column, which is left empty currently. |
catalog | Text | Metadata server catalog |
Example¶
Query the created EXTERNAL SCHEMA ex1:
SELECT * FROM pg_external_namespace WHERE nspid = (SELECT oid FROM pg_namespace WHERE nspname = 'ex1');