Provided by: postgresql-client-9.1_9.1.3-2_amd64 bug


       CHECKPOINT - force a transaction log checkpoint




       Write-Ahead Logging (WAL) puts a checkpoint in the transaction log every so often. (To
       adjust the automatic checkpoint interval, see the run-time configuration options
       checkpoint_segments and checkpoint_timeout.) The CHECKPOINT command forces an immediate
       checkpoint when the command is issued, without waiting for a scheduled checkpoint.

       A checkpoint is a point in the transaction log sequence at which all data files have been
       updated to reflect the information in the log. All data files will be flushed to disk.
       Refer to Chapter 29, Reliability and the Write-Ahead Log, in the documentation for more
       information about the WAL system.

       If executed during recovery, the CHECKPOINT command will force a restartpoint rather than
       writing a new checkpoint.

       Only superusers can call CHECKPOINT. The command is not intended for use during normal


       The CHECKPOINT command is a PostgreSQL language extension.