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Some changes from 4.0.
Take a look their for details
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@ -77,6 +77,8 @@ a b
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(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1);
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a b
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1 a
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2 b
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3 c
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(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
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a b
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3 c
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@ -157,3 +159,22 @@ testtt
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tsestset
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1
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drop table t1;
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drop table if exists t1,t2;
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create table t1 (a int);
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create table t2 (a int);
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insert into t1 values (1),(2),(3),(4),(5);
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insert into t2 values (11),(12),(13),(14),(15);
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(select * from t1 limit 2) union (select * from t2 limit 3) limit 4;
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a
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1
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2
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11
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12
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(select * from t1 limit 2) union (select * from t2 limit 3);
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a
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1
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2
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11
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12
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13
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drop table t1,t2;
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@ -77,3 +77,11 @@ SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION SELECT pseudo FROM t1 WHERE pse
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SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION ALL SELECT pseudo FROM t1 WHERE pseudo1='joce';
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SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION SELECT 1;
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drop table t1;
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drop table if exists t1,t2;
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create table t1 (a int);
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create table t2 (a int);
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insert into t1 values (1),(2),(3),(4),(5);
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insert into t2 values (11),(12),(13),(14),(15);
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(select * from t1 limit 2) union (select * from t2 limit 3) limit 4;
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(select * from t1 limit 2) union (select * from t2 limit 3);
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drop table t1,t2;
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