---
title: "`foreign_data_wrappers`"
id: infoschema-foreign-data-wrappers
pg_version: "20devel"
---

<a id="infoschema-foreign-data-wrappers"></a>

## 35.27. `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). 

**foreign_data_wrappers Columns**

| Column 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 |