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MDEV-10174: Make the fix for MDEV-8989 enabled by default in 10.2
- Change the default @@optimizer_switch value - Adjust the testcases
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@ -608,7 +608,7 @@ id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.fld1 1 Using where; Using index
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explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL period NULL NULL NULL 41810 Using temporary; Using filesort
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1 SIMPLE t1 ALL period NULL NULL NULL 41810 Using filesort
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1 SIMPLE t3 ref period period 4 test.t1.period 4181
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explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
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id select_type table type possible_keys key key_len ref rows Extra
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