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Fixes for bugs #2508 and #2552

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mysql-test/r/union.result:
  Test cases for bugs #2508 and #2552
mysql-test/t/union.test:
  Test cases for bugs #2508 and #2552
sql/sql_class.h:
  A fix for a bug #2508
sql/sql_select.cc:
  A fix for a bug #2508
sql/sql_union.cc:
  a fix for a bug #2552
This commit is contained in:
unknown
2004-02-10 21:34:25 +02:00
parent 538e6e8cbd
commit 425ae9185d
5 changed files with 49 additions and 8 deletions
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36
mysql-test/r/union.result
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@ -539,7 +539,7 @@ aa
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(2) NOT NULL default ''
`a` char(2) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 SELECT 12 as a UNION select "aa" as a;
@ -550,7 +550,7 @@ aa
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(2) NOT NULL default ''
`a` char(2) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 SELECT 12 as a UNION select 12.2 as a;
@ -561,7 +561,7 @@ a
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` double(4,1) NOT NULL default '0.0'
`a` double(4,1) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t2 (it1 tinyint, it2 tinyint not null, i int not null, ib bigint, f float, d double, y year, da date, dt datetime, sc char(10), sv varchar(10), b blob, tx text);
@ -585,7 +585,7 @@ it2
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`it2` int(11) NOT NULL default '0'
`it2` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 SELECT i from t2 UNION select f from t2;
@ -799,7 +799,7 @@ select * from t1;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`1` bigint(1) NOT NULL default '0'
`1` bigint(1) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 select _latin1"test" union select _latin2"testt" ;
@ -808,7 +808,7 @@ create table t1 select _latin2"test" union select _latin2"testt" ;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`test` char(5) character set latin2 NOT NULL default ''
`test` char(5) character set latin2 default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (s char(200));
@ -869,3 +869,27 @@ show status like 'Slow_queries';
Variable_name Value
Slow_queries 3
drop table t1;
create table t1 ( RID int(11) not null default '0', IID int(11) not null default '0', nada varchar(50) not null,NAME varchar(50) not null,PHONE varchar(50) not null) engine=MyISAM;
insert into t1 ( RID,IID,nada,NAME,PHONE) values (1, 1, 'main', 'a', '111'), (2, 1, 'main', 'b', '222'), (3, 1, 'main', 'c', '333'), (4, 1, 'main', 'd', '444'), (5, 1, 'main', 'e', '555'), (6, 2, 'main', 'c', '333'), (7, 2, 'main', 'd', '454'), (8, 2, 'main', 'e', '555'), (9, 2, 'main', 'f', '666'), (10, 2, 'main', 'g', '777');
select A.NAME, A.PHONE, B.NAME, B.PHONE from t1 A left join t1 B on A.NAME = B.NAME and B.IID = 2 where A.IID = 1 and (A.PHONE <> B.PHONE or B.NAME is null) union select A.NAME, A.PHONE, B.NAME, B.PHONE from t1 B left join t1 A on B.NAME = A.NAME and A.IID = 1 where B.IID = 2 and (A.PHONE <> B.PHONE or A.NAME is null);
NAME PHONE NAME PHONE
a 111 NULL NULL
b 222 NULL NULL
d 444 d 454
NULL NULL f 666
NULL NULL g 777
drop table t1;
create table t1 ( id int, name char(10) not null, name2 char(10) not null ) engine=innodb;
insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt');
select name2 from t1 union all select name from t1 union all select id from t1;
name2
fff
sss
ttt
first
second
third
1
2
3
drop table t1;