Varun Gupta 896974fc3d MDEV-18094: Query with order by limit picking index scan over filesort ...

In the function test_if_cheaper_ordering we make a decision if using an index is better than
using filesort for ordering. If we chose to do range access then in test_quick_select we
should make sure that cost for table scan is set to DBL_MAX so that it is not picked.

2019-09-21 12:14:05 +05:30

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