END [ WORK | TRANSACTION ]
END commits the current transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a crash occurs. This command is a PostgreSQL extension that is equivalent to COMMIT [commit(7)].
Use ROLLBACK [rollback(7)] to abort a transaction.
Issuing END when not inside a transaction does no harm, but it will provoke a warning message.
To commit the current transaction and make all changes permanent:
END is a PostgreSQL extension that provides functionality equivalent to COMMIT [commit(7)], which is specified in the SQL standard.