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
|
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a SET('') <CUSTOM_COL_OPTIONS>,
b SET('test1','test2','test3','test4','test5') <CUSTOM_COL_OPTIONS>,
c SET('01','02','03','04','05','06','07','08','09','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') <CUSTOM_COL_OPTIONS>
) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
SHOW COLUMNS IN t1;
Field Type Null Key Default Extra
a set('') # # #
b set('test1','test2','test3','test4','test5') # # #
c set('01','02','03','04','05','06','07','08','09','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') # # #
INSERT INTO t1 (a,b,c) VALUES
('','test2,test3','01,34,44,,23'),
('',5,2),
(',','test4,test2','');
Warnings:
Warning 1265 Data truncated for column 'c' at row 1
SELECT a,b,c FROM t1;
a b c
test1,test3 02
test2,test3 01,23,34,44
test2,test4
INSERT INTO t1 (a,b,c) VALUES (0,'test6',-1);
Warnings:
Warning 1265 Data truncated for column 'b' at row 1
Warning 1265 Data truncated for column 'c' at row 1
SELECT a,b,c FROM t1;
a b c
01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50'51,52,53,54,55,56,57,58,59,60,61,62,63,64
test1,test3 02
test2,test3 01,23,34,44
test2,test4
ALTER TABLE t1 ADD COLUMN e SET('a','A') <CUSTOM_COL_OPTIONS>;
Warnings:
Note 1291 Column 'e' has duplicated value 'a' in SET
SHOW COLUMNS IN t1;
Field Type Null Key Default Extra
a set('') # # #
b set('test1','test2','test3','test4','test5') # # #
c set('01','02','03','04','05','06','07','08','09','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') # # #
e set('a','A') # # #
ALTER TABLE t1 ADD COLUMN f SET('1','2','3','4','5','6','7','8','9','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',' ','11','12','13','14','15','16','17','18','19','1a','1b','1c','1d','1e','1f','1g','1h','1i','1j','1k','1l','1m','1n','1o','1p','1q','1r','1s','1t','1u','1v','1w','1x','1y','1z','20','21','22','23','24','25','26','27','28','29','2a','2b','2c','2d','2e','2f','2g','2h','2i','2j','2k','2l','2m','2n','2o','2p','2q','2r','2s','2t','2u','2v','2w','2x','2y','2z','30','31','32','33','34','35','36','37','38','39','3a','3b','3c','3d','3e','3f','3g','3h','3i') <CUSTOM_COL_OPTIONS>;
ERROR HY000: Too many strings for column f and SET
SELECT a,b,c,e FROM t1 WHERE FIND_IN_SET('test2',b)>0 OR a != '';
a b c e
test2,test3 01,23,34,44 NULL
test2,test4 NULL
DROP TABLE t1;
|
