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15.17.23. start_stmt

Purpose

Called at the beginning of a statement for transaction purposes.

Synopsis

virtual int start_stmt ( thd,  
  lock_type);  
THD *  thd ;
thr_lock_type  lock_type ;

Description

This is the start_stmt method.

When table is locked a statement is started by calling start_stmt instead of external_lock

Parameters

  • thd

  • lock_type

Return Values

This function has no return values.

Usage

Make any preparations needed for a transaction start (if there is no current running transaction).

Default Implementation

           {return 0;}
  

 
 
  Published under the terms of the GNU General Public License Design by Interspire