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EXPLAIN FORMAT=JSON: Support "range checked for each record"

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Sergei Petrunia
2014-12-06 02:23:37 +03:00
parent 9cac7649ea
commit a80a797686
5 changed files with 82 additions and 15 deletions
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5
mysql-test/t/explain_json.test
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@@ -145,6 +145,11 @@ set optimizer_switch='mrr=on,mrr_sort_keys=on';
explain format=json select * from t1 where a < 3;
--echo # 'Range checked for each record'
set optimizer_switch=@tmp;
explain format=json
select * from t1 tbl1, t1 tbl2 where tbl2.a < tbl1.b;
drop table t1;
drop table t0;