PostgreSQL 9.2.3 Documentation
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# 34.26. `foreign_data_wrappers`

The view `foreign_data_wrappers` contains all foreign-data wrappers defined in the current database. Only those foreign-data wrappers are shown that the current user has access to (by way of being the owner or having some privilege).

Table 34-24. `foreign_data_wrappers` Columns

Name | Data Type | Description
--- | --- | ---
`foreign_data_wrapper_catalog` | `sql_identifier` | Name of the database that contains the foreign-data wrapper (always the current database)
`foreign_data_wrapper_name` | `sql_identifier` | Name of the foreign-data wrapper
`authorization_identifier` | `sql_identifier` | Name of the owner of the foreign server
`library_name` | `character_data` | File name of the library that implementing this foreign-data wrapper
`foreign_data_wrapper_language` | `character_data` | Language used to implement this foreign-data wrapper

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