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Fix bug #10624 Views with multiple UNION and UNION ALL produce incorrect
results. st_select_lex_unit::print() was losing UNION ALL if in statement were present UNION DISTINCT. mysql-test/r/view.result: Test case for bug #10624 Views with multiple UNION and UNION ALL produce incorrect results. mysql-test/t/view.test: Test case for bug #10624 Views with multiple UNION and UNION ALL produce incorrect results. sql/sql_lex.cc: Fix bug #10624 Views with multiple UNION and UNION ALL produce incorrect results.
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@ -2097,3 +2097,15 @@ select * from v1;
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f1
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1
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drop view v1;
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create table t1 (f1 int);
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create table t2 (f1 int);
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insert into t1 values (1);
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insert into t2 values (2);
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create view v1 as select * from t1 union select * from t2 union all select * from t2;
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select * from v1;
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f1
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1
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2
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2
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drop view v1;
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drop table t1,t2;
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@ -1942,3 +1942,15 @@ DROP TABLE t1,t2,t3,t4,t5;
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create view v1 as select timestampdiff(day,'1997-01-01 00:00:00','1997-01-02 00:00:00') as f1;
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select * from v1;
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drop view v1;
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#
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# Bug #10624 Views with multiple UNION and UNION ALL produce incorrect results
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#
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create table t1 (f1 int);
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create table t2 (f1 int);
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insert into t1 values (1);
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insert into t2 values (2);
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create view v1 as select * from t1 union select * from t2 union all select * from t2;
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select * from v1;
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drop view v1;
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drop table t1,t2;
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