1. 23 Feb, 2007 1 commit
    • cbell/Chuck@mysql_cab_desk.'s avatar
      BUG#20141 "User-defined variables are not replicated properly for SF/ · 4c6ced9f
      cbell/Chuck@mysql_cab_desk. authored
                 Triggers in SBR mode."
      BUG#14914 "SP: Uses of session variables in routines are not always
                 replicated"
      BUG#25167 "Dupl. usage of user-variables in trigger/function is not
                 replicated correctly"
      
      User-defined variables used inside of stored functions/triggers in
      statements which did not update tables directly were not replicated.
      We also had problems with replication of user-defined variables which
      were used in triggers (or stored functions called from table-updating
      statements) more than once.
      
      This patch addresses the first issue by enabling logging of all
      references to user-defined variables in triggers/stored functions
      and not only references from table-updating statements.
      
      The second issue stemmed from the fact that for user-defined
      variables used from triggers or stored functions called from
      table-updating statements we were writing binlog events for each
      reference instead of only one event for the first reference.
      This problem is already solved for stored functions called from
      non-updating statements with help of "event unioning" mechanism.
      So the patch simply extends this mechanism to the case affected.
      It also fixes small problem in this mechanism which caused wrong
      logging of references to user-variables in cases when non-updating
      statement called several stored functions which used the same
      variable and some of these function calls were omitted from binlog
      as they were not updating any tables.
      4c6ced9f
  2. 18 Jan, 2007 2 commits
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