File: compare.test

package info (click to toggle)
mysql-dfsg-5.0 5.0.51a-24%2Blenny5
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 106,168 kB
  • ctags: 94,516
  • sloc: cpp: 447,179; ansic: 411,410; perl: 38,307; sh: 37,449; tcl: 30,484; pascal: 14,851; yacc: 8,559; makefile: 5,078; java: 4,610; xml: 3,953; sql: 2,920; awk: 1,338; asm: 1,061; sed: 772
file content (48 lines) | stat: -rw-r--r-- 1,142 bytes parent folder | download | duplicates (3)
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
#
# Bug when using comparions of strings and integers.
#

--disable_warnings
drop table if exists t1;
--enable_warnings

CREATE TABLE t1 (id CHAR(12) not null, PRIMARY KEY (id));
insert into t1 values ('000000000001'),('000000000002');
explain select * from t1 where id=000000000001;
select * from t1 where id=000000000001;
delete from t1 where id=000000000002;
select * from t1;
drop table t1;

#
# Check the following:
# "a"  == "a "
# "a\0" < "a"
# "a\0" < "a "

SELECT 'a' = 'a ';
SELECT 'a\0' < 'a';
SELECT 'a\0' < 'a ';
SELECT 'a\t' < 'a';
SELECT 'a\t' < 'a ';

CREATE TABLE t1 (a char(10) not null);
INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a ');
SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1;
DROP TABLE t1;

# Bug #8134: Comparison against CHAR(31) at end of string
SELECT CHAR(31) = '', '' = CHAR(31);
# Extra test
SELECT CHAR(30) = '', '' = CHAR(30);

# End of 4.1 tests

#
#Bug #21159: Optimizer: wrong result after AND with different data types
#
create table t1 (a tinyint(1),b binary(1));
insert into t1 values (0x01,0x01);
select * from t1 where a=b;
select * from t1 where a=b and b=0x01;
drop table if exists t1;