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.
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.