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drop table if exists t1,t2;
select 1, 1.0, -1, "hello", NULL;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def 1 5 1 1 N 32897 0 63
def 1.0 9 4 3 N 129 1 63
def -1 5 2 2 N 32897 0 63
def hello 8 20 5 N 1 31 45
def NULL 3 0 0 Y 32896 0 63
1 1.0 -1 hello NULL
1 1.0 -1 hello NULL
create table t1 (a int, b int, c int, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), j date, k timestamp, l datetime, m enum('a','b'), n char(10));
select * from t1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 t1 a a 1 11 0 Y 32768 0 63
def test t1 t1 b b 1 11 0 Y 32768 0 63
def test t1 t1 c c 1 11 0 Y 32768 0 63
def test t1 t1 d d 1 11 0 Y 32768 0 63
def test t1 t1 e e 5 20 0 Y 32768 0 63
def test t1 t1 f f 2 3 0 Y 32768 2 63
def test t1 t1 g g 2 4 0 Y 32768 3 63
def test t1 t1 h h 9 7 0 Y 0 4 63
def test t1 t1 j j 7 10 0 Y 128 0 63
def test t1 t1 k k 4 26 0 Y 128 0 63
def test t1 t1 l l 6 19 0 Y 128 0 63
def test t1 t1 m m 10 4 0 Y 256 0 45
def test t1 t1 n n 8 40 0 Y 0 0 45
a b c d e f g h j k l m n
select a b, b c from t1 as t2;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 t2 a b 1 11 0 Y 32768 0 63
def test t1 t2 b c 1 11 0 Y 32768 0 63
b c
drop table t1;
CREATE TABLE t1 (id int default NULL, data varchar(255) default NULL);
INSERT INTO t1 VALUES (1,'male'),(2,'female');
CREATE TABLE t2 (id int default NULL, data char(3) default '0');
INSERT INTO t2 VALUES (1,'yes'),(2,'no');
select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 t1 id id 1 11 1 Y 32768 0 63
def test t1 t1 data data 8 1020 6 Y 0 0 45
def test t2 t2 data data 8 12 3 Y 0 0 45
id data data
1 male yes
2 female no
select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id order by t1.id;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 t1 id id 1 11 1 Y 32768 0 63
def test t1 t1 data data 8 1020 6 Y 0 0 45
def test t2 t2 data data 8 12 3 Y 0 0 45
id data data
1 male yes
2 female no
select t1.id from t1 union select t2.id from t2;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def id id 1 11 1 Y 32768 0 63
id
1
2
drop table t1,t2;
create table t1 ( a int, b varchar(30), primary key(a));
insert into t1 values (1,'one');
insert into t1 values (2,'two');
set @arg00=1 ;
select @arg00 FROM t1 where a=1 union distinct select 1 FROM t1 where a=1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def @arg00 @arg00 5 20 1 Y 32768 0 63
@arg00
1
select * from (select @arg00) aaa;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def aaa @arg00 @arg00 5 20 1 Y 32768 0 63
@arg00
1
select 1 union select 1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def 1 1 5 20 1 N 32769 0 63
1
1
select * from (select 1 union select 1) aaa;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def aaa 1 1 5 20 1 N 32769 0 63
1
1
drop table t1;
select a.* from (select 2147483648 as v_large) a;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def a v_large v_large 5 10 10 N 32769 0 63
v_large
2147483648
select a.* from (select 214748364 as v_small) a;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def a v_small v_small 1 9 9 N 32769 0 63
v_small
214748364
End of 5.0 tests
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