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Porting from mysql-4.0.

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Read comments there if you are interested ..


BitKeeper/etc/ignore:
  Added sql/sql_yacc.yy.orig to the ignore list
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2002-02-28 22:01:41 +02:00
parent ba288f41ed
commit f739974c5e
5 changed files with 27 additions and 5 deletions
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15
mysql-test/r/union.result
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@ -86,6 +86,21 @@ explain select a,b from t1 union all select a,b from t2;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
t2 ALL NULL NULL NULL NULL 4
explain select xx from t1 union select 1;
Unknown column 'xx' in 'field list'
explain select a,b from t1 union select 1;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
0 0 No tables used
explain select 1 union select a,b from t1 union select 1;
table type possible_keys key key_len ref rows Extra
0 0 No tables used
t1 ALL NULL NULL NULL NULL 4
0 0 No tables used
explain select a,b from t1 union select 1 limit 0;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
0 0 Impossible WHERE
select a,b from t1 into outfile 'skr' union select a,b from t2;
Wrong usage of UNION and INTO
select a,b from t1 order by a union select a,b from t2;

6
mysql-test/t/union.test
View File

@ -24,6 +24,12 @@ select 't1',b,count(*) from t1 group by b UNION select 't2',b,count(*) from t2 g
# Test some error conditions with UNION
explain select a,b from t1 union all select a,b from t2;
--error 1054
explain select xx from t1 union select 1;
explain select a,b from t1 union select 1;
explain select 1 union select a,b from t1 union select 1;
explain select a,b from t1 union select 1 limit 0;
--error 1221
select a,b from t1 into outfile 'skr' union select a,b from t2;