foreign_data_wrappers

The foreign_data_wrappers view contains all foreign-data wrappers defined in the current database. Greenplum Database displays only those foreign-data wrappers to which the current user has access (by way of being the owner or having some privilege).

Table 1. foreign_data_wrappers
column	type	description
`foreign_data_wrapper_catalog`	sql_identifier	Name of the database in which the foreign-data wrapper is defined (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 implements this foreign-data wrapper.
`foreign_data_wrapper_language`	character_data	Language used to implement the foreign-data wrapper.