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Merge.
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@ -123,6 +123,7 @@ analyze table t1;
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select count(*) from t1;
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--replace_column 9 REF
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--replace_result i2,i1 i1,i2
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explain select count(*) from t1 where
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key1a = 2 and key1b is null and key2a = 2 and key2b is null;
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@ -130,6 +131,7 @@ select count(*) from t1 where
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key1a = 2 and key1b is null and key2a = 2 and key2b is null;
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--replace_column 9 REF
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--replace_result i3,i1 i1,i3
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explain select count(*) from t1 where
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key1a = 2 and key1b is null and key3a = 2 and key3b is null;
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