Sergey Petrunya ebb130b189 BUG#787299: Valgrind complains on a join query with two IN subqueries ...

- Don't attempt to construct FirstMatch access method if we've 
  just figured three lines above that it can't be used (because join
  prefix doesn't have the needed tables), and so have set 
    pos->first_firstmatch_table= MAX_TABLES 
  Attempts to analyze join->positions[MAX_TABLES] caused valgrind warnings

2011-06-02 23:48:33 +04:00

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