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Fixed UNION fields type/length detecting

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bell@sanja.is.com.ua
2003-11-23 02:01:15 +02:00
parent 4883d21b29
commit 7191ea0ae3
17 changed files with 799 additions and 317 deletions
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82
mysql-test/t/union.test
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@@ -302,3 +302,85 @@ insert into t1 values (NULL, 'a', 1), (NULL, 'b', 2), (NULL, 'c', 3), (NULL, 'd'
insert into t2 values (1, 100), (1, 101), (1, 102), (2, 100), (2, 103), (2, 104), (3, 101), (3, 102), (3, 105);
SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id union SELECT 0, 0;
drop table t1, t2;
#
# types conversions
#
create table t1 SELECT "a" as a UNION select "aa" as a;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT 12 as a UNION select "aa" as a;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT 12 as a UNION select 12.2 as a;
select * from t1;
show create table t1;
drop table t1;
create table t2 (it1 tinyint, it2 tinyint not null, i int not null, f float, d double, y year, da date, dt datetime, sc char(10), sv varchar(10), b blob);
insert into t2 values (NULL, 1, 3, 1.5, 2.5, 1972, '1972-10-22', '1972-10-22 11:50', 'testc', 'testv', 'tetetetetest');
create table t1 SELECT it2 from t2 UNION select it1 from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT it2 from t2 UNION select i from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT i from t2 UNION select f from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT f from t2 UNION select d from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT f from t2 UNION select y from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT f from t2 UNION select da from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT y from t2 UNION select da from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT y from t2 UNION select dt from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT da from t2 UNION select dt from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT dt from t2 UNION select sc from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT dt from t2 UNION select sv from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT sc from t2 UNION select sv from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT dt from t2 UNION select b from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT sv from t2 UNION select b from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT i from t2 UNION select d from t2 UNION select b from t2;
select * from t1;
show create table t1;
drop table t1,t2;