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code coverage for UNIONs

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mysql-test/r/subselect.result:
  independent subquery with union
mysql-test/r/union.result:
  converting temporary table from HEAP to MyISAM
mysql-test/t/subselect.test:
  independent subquery with union
mysql-test/t/union.test:
  converting temporary table from HEAP to MyISAM
This commit is contained in:
unknown 2003-11-27 19:45:28 +02:00
parent 443a157c6a
commit 8c430b22fa
4 changed files with 47 additions and 8 deletions
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8
mysql-test/r/subselect.result
View file

@ -149,10 +149,10 @@ select (select a from t1 where t1.a=t2.b), a from t2;
(select a from t1 where t1.a=t2.b) a
NULL 1
NULL 2
select (select a from t1), a from t2;
(select a from t1) a
2 1
2 2
select (select a from t1), a, (select 1 union select 2 limit 1) from t2;
(select a from t1) a (select 1 union select 2 limit 1)
2 1 1
2 2 1
select (select a from t3), a from t2;
(select a from t3) a
NULL 1

20
mysql-test/r/union.result
View file

@ -803,3 +803,23 @@ t1 CREATE TABLE `t1` (
`test` char(5) character set latin2 NOT NULL default ''
) TYPE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (s char(200));
insert into t1 values (repeat("1",200));
create table t2 select * from t1;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
set local tmp_table_size=1024;
select count(*) from (select * from t1 union all select * from t2 order by 1) b;
count(*)
21
select count(*) from t1;
count(*)
8
select count(*) from t2;
count(*)
13
drop table t1,t2;
set local tmp_table_size=default;

2
mysql-test/t/subselect.test
View file

@ -67,7 +67,7 @@ insert into t4 values (4,8),(3,8),(5,9);
select (select a from t1 where t1.a = a1) as a2, (select b from t2 where t2.b=a2) as a1;
select (select a from t1 where t1.a=t2.a), a from t2;
select (select a from t1 where t1.a=t2.b), a from t2;
select (select a from t1), a from t2;
select (select a from t1), a, (select 1 union select 2 limit 1) from t2;
select (select a from t3), a from t2;
select * from t2 where t2.a=(select a from t1);
insert into t3 values (6),(7),(3);

23
mysql-test/t/union.test
View file

@ -306,8 +306,6 @@ 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;
@ -417,3 +415,24 @@ create table t1 select _latin1"test" union select _latin2"testt" ;
create table t1 select _latin2"test" union select _latin2"testt" ;
show create table t1;
drop table t1;
#
# conversion memory->disk table
#
#
# conversion memory->disk table
#
create table t1 (s char(200));
insert into t1 values (repeat("1",200));
create table t2 select * from t1;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
set local tmp_table_size=1024;
select count(*) from (select * from t1 union all select * from t2 order by 1) b;
select count(*) from t1;
select count(*) from t2;
drop table t1,t2;
set local tmp_table_size=default;