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Merge 10.3 into 10.4
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@ -732,8 +732,8 @@ SELECT a FROM t1 AS t, t2
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WHERE c = a AND b IN (SELECT b FROM t1, t2 WHERE b = t.b);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t index a,b b 7 NULL 10 Using index
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1 PRIMARY t1 ref b b 3 test.t.b 2 Using index
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1 PRIMARY t2 index NULL PRIMARY 4 NULL 11 Using index; FirstMatch(t)
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1 PRIMARY t1 ref b b 3 test.t.b 2 Using index; Start temporary
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1 PRIMARY t2 index NULL PRIMARY 4 NULL 11 Using index; End temporary; Using join buffer (flat, BNL join)
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1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t.a 1 Using index
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SELECT a FROM t1 AS t, t2
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WHERE c = a AND b IN (SELECT b FROM t1, t2 WHERE b = t.b);
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@ -745,8 +745,8 @@ SELECT a FROM t1 AS t, t2
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WHERE c = a AND b IN (SELECT b FROM t1, t2 WHERE b = t.b);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t index a,b b 7 NULL 10 Using index
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1 PRIMARY t1 ref b b 3 test.t.b 2 Using index
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1 PRIMARY t2 index NULL PRIMARY 4 NULL 11 Using index; FirstMatch(t)
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1 PRIMARY t1 ref b b 3 test.t.b 2 Using index; Start temporary
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1 PRIMARY t2 index NULL PRIMARY 4 NULL 11 Using index; End temporary; Using join buffer (flat, BNL join)
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1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t.a 1 Using index
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SELECT a FROM t1 AS t, t2
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WHERE c = a AND b IN (SELECT b FROM t1, t2 WHERE b = t.b);
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