oceanbase

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--disable_query_log
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set @@session.explicit_defaults_for_timestamp=off;
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--enable_query_log
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# owner: bin.lb
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#owner group:sql2
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# tags: dml
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#description:this case is use for test online use of ob1.0
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1(c1 int primary key, c2 int);
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insert into t1 values(7,3),(8,3),(1,1),(2,0),(3,1),(4,0),(5,2),(6,2);
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# group by test
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select c1 as a1,c2 as a2 from t1 group by a2 order by a1;
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select c1 as a1,c2 as a2 from t1 group by a1 order by a2;
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select c1 as a1,c2 as a2 from t1 group by a2 order by a2;
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select c1 as a1,c2 as a2 from t1 group by a1 order by a1;
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# order by test
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select c1 as a1,c2 as a2 from t1 order by a2;
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select c1 as a1,c2 as a2 from t1 order by a1;
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# having test
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select c1 as a1,c2 as a2 from t1 group by a2 having a2>0 order by a1;
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select c1 as a1,c2 as a2 from t1 group by a2 having a2>0 order by a2;
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select c1 as a1,c2 as a2 from t1 group by a2 having a1>0 order by a1;
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select c1 as a1,c2 as a2 from t1 group by a2 having a1>0 order by a2;
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# select expr 
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select c1+c2 as total from t1 order by total;
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select c1, c1+c2 as total from t1 group by total order by c1;
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select c1, c1+c2 as total from t1 group by total having c1>2 order by c1 desc;
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# refer to column alias in where
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select c1 as a1, c2 as a2 from t1 where c1>1;
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select c1 as a1, c2 as a2 from t1 where c2>1;
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select c1,c1+c2 as a1 from t1 where c1+c2>2;
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