| Документация по PostgreSQL 9.1.1 | ||||
|---|---|---|---|---|
| Prev | Fast Backward | Chapter 34. The Information Schema | Fast Forward | Next |
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 34-23. 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 |