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Merge branch '10.3' into 10.4
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commit
244f0e6dd8
750 changed files with 8198 additions and 9670 deletions
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@ -5,7 +5,8 @@ set @subselect_tmp=@@optimizer_switch;
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set @@optimizer_switch=ifnull(@optimizer_switch_for_subselect_test,
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"semijoin=on,firstmatch=on,loosescan=on,semijoin_with_cache=on,partial_match_rowid_merge=off,partial_match_table_scan=off");
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set join_cache_level=1;
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set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
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SET optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
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SET optimizer_use_condition_selectivity=4;
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select (select 2);
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(select 2)
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2
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