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fixed union rexecution bug
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@ -5,6 +5,9 @@ SELECT (SELECT 1) UNION SELECT (SELECT 2);
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(SELECT 1)
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1
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2
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SELECT (SELECT (SELECT 0 UNION SELECT 0));
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(SELECT (SELECT 0 UNION SELECT 0))
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0
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drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
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create table t1 (a int);
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create table t2 (a int, b int);
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@ -1,6 +1,6 @@
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select (select 2);
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SELECT (SELECT 1) UNION SELECT (SELECT 2);
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SELECT (SELECT (SELECT 0 UNION SELECT 0));
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drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
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create table t1 (a int);
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create table t2 (a int, b int);
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