DISCARD() SQL Commands DISCARD()
NAME
DISCARD - discard session state
SYNOPSIS
DISCARD { ALL | PLANS | TEMPORARY | TEMP }
DESCRIPTION
DISCARD releases internal resources associated with a database session.
These resources are normally released at the end of the session.
DISCARD TEMP drops all temporary tables created in the current session.
DISCARD PLANS releases all internally cached query plans. DISCARD ALL
resets a session to its original state, discarding temporary resources
and resetting session-local configuration changes.
PARAMETERS
TEMPORARY or TEMP
Drops all temporary tables created in the current session.
PLANS Releases all cached query plans.
ALL Releases all temporary resources associated with the current
session and resets the session to its initial state. Currently,
this has the same effect as executing the following sequence of
statements:
SET SESSION AUTHORIZATION DEFAULT;
RESET ALL;
DEALLOCATE ALL;
CLOSE ALL;
UNLISTEN *;
SELECT pg_advisory_unlock_all();
DISCARD PLANS;
DISCARD TEMP;
NOTES
DISCARD ALL cannot be executed inside a transaction block.
COMPATIBILITY
DISCARD is a PostgreSQL extension.
SQL - Language Statements 2009-02-03 DISCARD()
postgresql 8.3.6 - Generated Fri Feb 6 21:05:56 CST 2009