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Added test to show bug in current union implementation

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After merge fixes
Portability fixes
This commit is contained in:
monty@mysql.com
2004-03-19 18:33:38 +02:00
parent 933278a52b
commit b49b24d94a
12 changed files with 204 additions and 83 deletions
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13
mysql-test/t/union.test
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@@ -483,3 +483,16 @@ select col1 n from t1 union select col2 n from t1 order by n;
alter table t1 add index myindex (col2);
select col1 n from t1 union select col2 n from t1 order by n;
drop table t1;
#
# Bug #1428, incorrect handling of UNION ALL
# NOTE: The current result is wrong, needs to be fixed!
#
create table t1 (i int);
insert into t1 values (1);
select * from t1 UNION select * from t1;
select * from t1 UNION ALL select * from t1;
# The following should return 2 lines
select * from t1 UNION select * from t1 UNION ALL select * from t1;
drop table t1;