51.25. pg_foreign_table
The catalog pg_foreign_table contains auxiliary information about foreign tables. A foreign table is primarily represented by a pg_class entry, just like a regular table. Its pg_foreign_table entry contains the information that is pertinent only to foreign tables and not any other kind of relation.
Table 51.25. pg_foreign_table Columns
| Name | Type | References | Description |
|---|---|---|---|
ftrelid |
oid |
pg_class.oid |
OID of the pg_class entry for this foreign table |
ftserver |
oid |
pg_foreign_server.oid |
OID of the foreign server for this foreign table |
ftoptions |
text[] |
Foreign table options, as “keyword=value” strings |
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https://www.postgresql.org/docs/10/catalog-pg-foreign-table.html