Sergei Petrunia d448cfc92a MDEV-19134: EXISTS() slower if ORDER BY is defined ...

Step #2: "[ORDER BY ...] LIMIT n" should not prevent EXISTS-to-IN
conversion, as long as
- the LIMIT clause doesn't have OFFSET
- the LIMIT is not "LIMIT 0".

2019-05-16 13:03:58 +03:00

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