Comment 1 for bug 665669

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Philip Stoev (pstoev-askmonty) wrote : Re: Sporadic result differences on query re-execution

Ok, here is what happens:

1. First some Query 1 is run.
2. Then, another Query 2 is run twice.
3. The two runs of Query 2 produce different results.

No join_cache , bka , MRR or other configurable optimizations seem to be involved. maria-5.3 is affected, but maria-5.2 and mysql-next-mr are not.