1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
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 8 1 1 N 32897 0 63
def 1.0 246 4 3 N 129 1 63
def -1 8 2 2 N 32897 0 63
def hello 253 5 5 N 1 31 8
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));
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 4 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 d d 3 11 0 Y 32768 0 63
def test t1 t1 e e 8 20 0 Y 32768 0 63
def test t1 t1 f f 4 3 0 Y 32768 2 63
def test t1 t1 g g 5 4 0 Y 32768 3 63
def test t1 t1 h h 246 7 0 Y 0 4 63
def test t1 t1 i i 13 4 0 Y 32864 0 63
def test t1 t1 j j 10 10 0 Y 128 0 63
def test t1 t1 k k 7 19 0 N 9441 0 63
def test t1 t1 l l 12 19 0 Y 128 0 63
def test t1 t1 m m 254 1 0 Y 256 0 8
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
a b c d e f g h i j k l m n o
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 4 0 Y 32768 0 63
def test t1 t2 b c 2 6 0 Y 32768 0 63
b c
drop table t1;
CREATE TABLE t1 (id tinyint(3) default NULL, data varchar(255) default NULL);
INSERT INTO t1 VALUES (1,'male'),(2,'female');
CREATE TABLE t2 (id tinyint(3) unsigned 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 3 1 Y 32768 0 63
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
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 3 1 Y 32768 0 63
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
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 4 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 8 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 8 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 8 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 8 20 1 N 32769 0 63
1
1
drop table t1;
create table t1 (i int);
insert into t1 values (1),(2),(3);
select * from t1 where i = 2;
drop table t1;//
affected rows: 0
affected rows: 3
info: Records: 3 Duplicates: 0 Warnings: 0
i
2
affected rows: 1
affected rows: 0
create table t1 (id int(10));
insert into t1 values (1);
CREATE VIEW v1 AS select t1.id as id from t1;
CREATE VIEW v2 AS select t1.id as renamed from t1;
CREATE VIEW v3 AS select t1.id + 12 as renamed from t1;
select * from v1 group by id limit 1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 v1 id id 3 10 1 Y 32768 0 63
id
1
select * from v1 group by id limit 0;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test v1 v1 id id 3 10 0 Y 32768 0 63
id
select * from v1 where id=1000 group by id;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test v1 v1 id id 3 10 0 Y 32768 0 63
id
select * from v1 where id=1 group by id;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 v1 id id 3 10 1 Y 32768 0 63
id
1
select * from v2 where renamed=1 group by renamed;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 v2 id renamed 3 10 1 Y 32768 0 63
renamed
1
select * from v3 where renamed=1 group by renamed;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def v3 v3 renamed renamed 8 12 0 Y 32896 0 63
renamed
drop table t1;
drop view v1,v2,v3;
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 8 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 3 9 9 N 32769 0 63
v_small
214748364
CREATE TABLE t1 (c1 CHAR(1));
CREATE TABLE t2 (c2 CHAR(1));
CREATE VIEW v1 AS SELECT t1.c1 FROM t1;
CREATE VIEW v2 AS SELECT t2.c2 FROM t2;
INSERT INTO t1 VALUES ('1'), ('2'), ('3');
INSERT INTO t2 VALUES ('1'), ('2'), ('3'), ('2');
SELECT v1.c1 FROM v1 JOIN t2 ON c1=c2 ORDER BY 1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 v1 c1 c1 254 1 1 Y 0 0 8
c1
1
2
2
3
SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test v1 v1 c1 c1 254 1 1 Y 0 0 8
def test v2 v2 c2 c2 254 1 1 Y 0 0 8
c1 c2
1 1
2 2
3 3
2 2
SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2 GROUP BY v1.c1;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 v1 c1 c1 254 1 1 Y 32768 0 8
def test t2 v2 c2 c2 254 1 1 Y 0 0 8
c1 c2
1 1
2 2
3 3
SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2 GROUP BY v1.c1 ORDER BY v2.c2;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test t1 v1 c1 c1 254 1 1 Y 32768 0 8
def test t2 v2 c2 c2 254 1 1 Y 0 0 8
c1 c2
1 1
2 2
3 3
DROP VIEW v1,v2;
DROP TABLE t1,t2;
CREATE TABLE t1 (i INT, d DATE);
INSERT INTO t1 VALUES (1, '2008-01-01'), (2, '2008-01-02'), (3, '2008-01-03');
SELECT COALESCE(d, d), IFNULL(d, d), IF(i, d, d),
CASE i WHEN i THEN d ELSE d END, GREATEST(d, d), LEAST(d, d)
FROM t1 ORDER BY RAND();
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
2008-01-01 2008-01-01 2008-01-01 2008-01-01 2008-01-01 2008-01-01
2008-01-02 2008-01-02 2008-01-02 2008-01-02 2008-01-02 2008-01-02
2008-01-03 2008-01-03 2008-01-03 2008-01-03 2008-01-03 2008-01-03
COALESCE(d, d) IFNULL(d, d) IF(i, d, d) CASE i WHEN i THEN d ELSE d END GREATEST(d, d) LEAST(d, d)
def CASE i WHEN i THEN d ELSE d END CASE i WHEN i THEN d ELSE d END 10 10 10 Y 128 0 63
def COALESCE(d, d) COALESCE(d, d) 10 10 10 Y 128 0 63
def GREATEST(d, d) GREATEST(d, d) 10 10 10 Y 128 0 63
def IF(i, d, d) IF(i, d, d) 10 10 10 Y 128 0 63
def IFNULL(d, d) IFNULL(d, d) 10 10 10 Y 128 0 63
def LEAST(d, d) LEAST(d, d) 10 10 10 Y 128 0 63
DROP TABLE t1;
#
# Bug#41788 mysql_fetch_field returns org_table == table by a view
#
CREATE TABLE t1 (f1 INT);
CREATE VIEW v1 AS SELECT f1 FROM t1;
SELECT f1 FROM v1 va;
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def test v1 va f1 f1 3 11 0 Y 32768 0 63
f1
DROP VIEW v1;
DROP TABLE t1;
End of 5.0 tests
|
