November 14, 2024: PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 Released!
Supported Versions: Current (17) / 16 / 15 / 14 / 13
Development Versions: devel
Unsupported versions: 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3
This documentation is for an unsupported version of PostgreSQL.
You may want to view the same page for the current version, or one of the other supported versions listed above instead.
PostgreSQL 8.4.22 Documentation
Prev Fast Backward Appendix F. Additional Supplied Modules Fast Forward Next

F.8. dblink

Table of Contents
dblink_connect -- opens a persistent connection to a remote database
dblink_connect_u -- opens a persistent connection to a remote database, insecurely
dblink_disconnect -- closes a persistent connection to a remote database
dblink -- executes a query in a remote database
dblink_exec -- executes a command in a remote database
dblink_open -- opens a cursor in a remote database
dblink_fetch -- returns rows from an open cursor in a remote database
dblink_close -- closes a cursor in a remote database
dblink_get_connections -- returns the names of all open named dblink connections
dblink_error_message -- gets last error message on the named connection
dblink_send_query -- sends an async query to a remote database
dblink_is_busy -- checks if connection is busy with an async query
dblink_get_result -- gets an async query result
dblink_cancel_query -- cancels any active query on the named connection
dblink_get_pkey -- returns the positions and field names of a relation's primary key fields
dblink_build_sql_insert --  builds an INSERT statement using a local tuple, replacing the primary key field values with alternative supplied values
dblink_build_sql_delete -- builds a DELETE statement using supplied values for primary key field values
dblink_build_sql_update -- builds an UPDATE statement using a local tuple, replacing the primary key field values with alternative supplied values

dblink is a module which supports connections to other PostgreSQL databases from within a database session.

Prev Home Next
cube Up dblink_connect