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MYSQL

MASTER_POS_WAIT()


Description

The MASTER_POS_WAIT( ) function is used to ensure whether the slave has read and executed events up to a given position in the master's binary log.

This function has the form:

SELECT LOCATE(master log file, master log pos)
Parameter Description
master log file Master log file
master log pos Master log position

Return Value

Ensures whether the slave has read and executed events up to a given position in the master's binary log. If you give the timeout parameter and the amount of time is exceeded, then -1 is returned.

Examples

The following example shows the basic use of this function:

SELECT MASTER_POS_WAIT('dbmaster1-bin.000002', 4);
  SLAVE STOP;


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