_PG_FOREIGN_DATA_WRAPPERS
_PG_FOREIGN_DATA_WRAPPERS displays information about a foreign-data wrapper. Only the SYSADMIN user has the permission to view this view.
| Name | Type | Description |
| oid | oid | OID of the foreign-data wrapper |
| fdwowner | oid | OID of the owner of the foreign-data wrapper |
| fdwoptions | text[] | Foreign-data wrapper specific option, expressed in a string in the format of keyword=value |
| foreign_data_wrapper_catalog | information_schema.sql_identifier | Name of the database where the foreign-data wrapper is located (always the current database) |
| foreign_data_wrapper_name | information_schema.sql_identifier | Name of the foreign-data wrapper |
| authorization_identifier | information_schema.sql_identifier | Role of the owner of the foreign-data wrapper |
| foreign_data_wrapper_language | information_schema.character_data | Programming language of the foreign-data wrapper |
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