System Catalogs / System catalogs
pg_foreign_data_wrapper
Read the PG 18 manualThe catalog pg_foreign_data_wrapper stores foreign-data wrapper definitions.
Reading PG 18current·documented in 19 of 24 versions, 8.4 to 20
- Kind
- System catalogs
- Columns in this snapshot
- 7
- Definition source
- English manual
- Metadata snapshot
- 18.6
Columns 7
As listed in the PostgreSQL 18 manual.
| Column | Type | Description / reference |
|---|---|---|
oid | oidNOT NULL | Row identifier |
fdwname | nameNOT NULL | Name of the foreign-data wrapper |
fdwowner | oidNOT NULL | Owner of the foreign-data wrapper pg_authid.oid |
fdwhandler | oidNOT NULL | References a handler function that is responsible for supplying execution routines for the foreign-data wrapper. Zero if no handler is provided pg_proc.oid |
fdwvalidator | oidNOT NULL | References a validator function that is responsible for checking the validity of the options given to the foreign-data wrapper, as well as options for foreign servers and user mappings using the foreign-data wrapper. Zero if no validator is provided pg_proc.oid |
fdwacl | aclitem[] | Access privileges; see Section 5.8 for details |
fdwoptions | text[] | Foreign-data wrapper specific options, as “keyword=value” strings |
Column history across versions
Version history 6
Definition snapshot: english-manuals:27f13e4e822c32216454f0f623a… · English manual source