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BUG#670417: Diverging results in maria-5.3-mwl128-dsmrr-cpk with join buffer, attempt 4

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- Disable identical key handling optimization when
  IndexConditionPushdown is used
This commit is contained in:
Sergey Petrunya
2010-11-08 20:37:01 +03:00
parent 197c99427d
commit 0fb342ba56
4 changed files with 138 additions and 1 deletions
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6
sql/multi_range_read.h
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@ -289,6 +289,12 @@ private:
/* TRUE <=> need range association, buffers hold {rowid, range_id} pairs */
bool is_mrr_assoc;
/*
TRUE <=> Don't do optimizations for identical key value (see comment in
Mrr_ordered_index_reader::init for details)
*/
bool disallow_identical_key_handling;
/* Range sequence iteration members */
RANGE_SEQ_IF mrr_funcs;
range_seq_t mrr_iter;