mark some file to been opensource for ce-farm
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@ -0,0 +1,10 @@
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drop table if exists t1;
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create table t1 (c0 int primary key,c1 int, c2 int, c3 int);
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replace into t1 values (1,null, 1, null);
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insert into t1 values (2,null, null, null);
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select * from t1;
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c0 c1 c2 c3
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1 NULL 1 NULL
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2 NULL NULL NULL
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select * from t1 where (c1, c2) = (null, null) or (c1, c2) = (null, 1);
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c0 c1 c2 c3
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