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 34-20. foreign_data_wrappers Columns
|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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