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MySQL 5.5 Reference Manual  /  ...  /  SHOW RELAYLOG EVENTS Syntax

13.7.5.33 SHOW RELAYLOG EVENTS Syntax

SHOW RELAYLOG EVENTS
    [IN 'log_name']
    [FROM pos]
    [LIMIT [offset,] row_count]

Shows the events in the relay log of a replication slave. If you do not specify 'log_name', the first relay log is displayed. This statement has no effect on the master.

The LIMIT clause has the same syntax as for the SELECT statement. See Section 13.2.9, “SELECT Syntax”.

Note

Issuing a SHOW RELAYLOG EVENTS with no LIMIT clause could start a very time- and resource-consuming process because the server returns to the client the complete contents of the relay log (including all statements modifying data that have been received by the slave).

SHOW RELAYLOG EVENTS displays the following fields for each event in the relay log:

  • Log_name

    The name of the file that is being listed.

  • Pos

    The position at which the event occurs.

  • Event_type

    An identifier that describes the event type.

  • Server_id

    The server ID of the server on which the event originated.

  • End_log_pos

    The value of End_log_pos for this event in the master's binary log.

  • Info

    More detailed information about the event type. The format of this information depends on the event type.

Note

Some events relating to the setting of user and system variables are not included in the output from SHOW RELAYLOG EVENTS. To get complete coverage of events within a relay log, use mysqlbinlog.


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