Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def 1 8 1 1 N 32897 0 63
def 1 8 1 1 N 32897 0 63
def 1.0 5 3 3 N 32897 1 63
def 1.0 5 3 3 N 32897 1 63
def -1 8 2 2 N 32897 0 63
def -1 8 2 2 N 32897 0 63
...
@@ -10,7 +10,7 @@ def NULL 6 0 0 Y 32896 0 63
...
@@ -10,7 +10,7 @@ def NULL 6 0 0 Y 32896 0 63
1 1.0 -1 hello NULL
1 1.0 -1 hello NULL
create table t1 (a tinyint, b smallint, c mediumint, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), i year, j date, k timestamp, l datetime, m enum('a','b'), n set('a','b'), o char(10));
create table t1 (a tinyint, b smallint, c mediumint, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), i year, j date, k timestamp, l datetime, m enum('a','b'), n set('a','b'), o char(10));
select * from t1;
select * from t1;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 t1 a a 1 4 0 Y 32768 0 63
def test t1 t1 a a 1 4 0 Y 32768 0 63
def test t1 t1 b b 2 6 0 Y 32768 0 63
def test t1 t1 b b 2 6 0 Y 32768 0 63
def test t1 t1 c c 9 9 0 Y 32768 0 63
def test t1 t1 c c 9 9 0 Y 32768 0 63
...
@@ -28,7 +28,7 @@ def test t1 t1 n n 254 3 0 Y 2048 0 8
...
@@ -28,7 +28,7 @@ def test t1 t1 n n 254 3 0 Y 2048 0 8
def test t1 t1 o o 254 10 0 Y 0 0 8
def test t1 t1 o o 254 10 0 Y 0 0 8
a b c d e f g h i j k l m n o
a b c d e f g h i j k l m n o
select a b, b c from t1 as t2;
select a b, b c from t1 as t2;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 t2 a b 1 4 0 Y 32768 0 63
def test t1 t2 a b 1 4 0 Y 32768 0 63
def test t1 t2 b c 2 6 0 Y 32768 0 63
def test t1 t2 b c 2 6 0 Y 32768 0 63
b c
b c
...
@@ -38,7 +38,7 @@ INSERT INTO t1 VALUES (1,'male'),(2,'female');
...
@@ -38,7 +38,7 @@ INSERT INTO t1 VALUES (1,'male'),(2,'female');
CREATE TABLE t2 (id tinyint(3) unsigned default NULL, data char(3) default '0');
CREATE TABLE t2 (id tinyint(3) unsigned default NULL, data char(3) default '0');
INSERT INTO t2 VALUES (1,'yes'),(2,'no');
INSERT INTO t2 VALUES (1,'yes'),(2,'no');
select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id;
select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 t1 id id 1 3 1 Y 32768 0 63
def test t1 t1 id id 1 3 1 Y 32768 0 63
def test t1 t1 data data 253 255 6 Y 0 0 8
def test t1 t1 data data 253 255 6 Y 0 0 8
def test t2 t2 data data 254 3 3 Y 0 0 8
def test t2 t2 data data 254 3 3 Y 0 0 8
...
@@ -46,7 +46,7 @@ id data data
...
@@ -46,7 +46,7 @@ id data data
1 male yes
1 male yes
2 female no
2 female no
select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id order by t1.id;
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 Name Type Length Max length Is_null Flags Decimals Charsetnr
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 t1 id id 1 3 1 Y 32768 0 63
def test t1 t1 id id 1 3 1 Y 32768 0 63
def test t1 t1 data data 253 255 6 Y 0 0 8
def test t1 t1 data data 253 255 6 Y 0 0 8
def test t2 t2 data data 254 3 3 Y 0 0 8
def test t2 t2 data data 254 3 3 Y 0 0 8
...
@@ -54,7 +54,7 @@ id data data
...
@@ -54,7 +54,7 @@ id data data
1 male yes
1 male yes
2 female no
2 female no
select t1.id from t1 union select t2.id from t2;
select t1.id from t1 union select t2.id from t2;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr