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
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
#
# Test of cast function
#
select CAST(1-2 AS UNSIGNED);
select CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER);
select CAST('10 ' as unsigned integer);
select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
select ~5, cast(~5 as signed);
explain extended select ~5, cast(~5 as signed);
select cast(5 as unsigned) -6.0;
select cast(NULL as signed), cast(1/0 as signed);
select cast(NULL as unsigned), cast(1/0 as unsigned);
select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);
select cast("1:2:3" as TIME);
select CONVERT("2004-01-22 21:45:33",DATE);
select 10+'10';
select 10.0+'10';
select 10E+0+'10';
# The following cast creates warnings
select CONVERT(DATE "2004-01-22 21:45:33" USING latin1);
select CONVERT(DATE "2004-01-22 21:45:33",CHAR);
select CONVERT(DATE "2004-01-22 21:45:33",CHAR(4));
select CONVERT(DATE "2004-01-22 21:45:33",BINARY(4));
select CAST(DATE "2004-01-22 21:45:33" AS BINARY(4));
select CAST(0xb3 as signed);
select CAST(0x8fffffffffffffff as signed);
select CAST(0xffffffffffffffff as unsigned);
select CAST(0xfffffffffffffffe as signed);
select cast('-10a' as signed integer);
select cast('a10' as unsigned integer);
select 10+'a';
select 10.0+cast('a' as decimal);
select 10E+0+'a';
# out-of-range cases
select cast('18446744073709551616' as unsigned);
select cast('18446744073709551616' as signed);
select cast('9223372036854775809' as signed);
select cast('-1' as unsigned);
select cast('abc' as signed);
select cast('1a' as signed);
select cast('' as signed);
#
# Character set conversion
#
set names binary;
select cast(_latin1'test' as char character set latin2);
select cast(_koi8r'ÔÅÓÔ' as char character set cp1251);
create table t1 select cast(_koi8r'ÔÅÓÔ' as char character set cp1251) as t;
show create table t1;
drop table t1;
#
# CAST to CHAR with/without length
#
select
cast(_latin1'ab' AS char) as c1,
cast(_latin1'a ' AS char) as c2,
cast(_latin1'abc' AS char(2)) as c3,
cast(_latin1'a ' AS char(2)) as c4,
hex(cast(_latin1'a' AS char(2))) as c5;
select cast(1000 as CHAR(3));
create table t1 select
cast(_latin1'ab' AS char) as c1,
cast(_latin1'a ' AS char) as c2,
cast(_latin1'abc' AS char(2)) as c3,
cast(_latin1'a ' AS char(2)) as c4,
cast(_latin1'a' AS char(2)) as c5;
select c1,c2,c3,c4,hex(c5) from t1;
show create table t1;
drop table t1;
#
# CAST to NCHAR with/without length
#
select
cast(_koi8r'ÆÇ' AS nchar) as c1,
cast(_koi8r'Æ ' AS nchar) as c2,
cast(_koi8r'ÆÇÈ' AS nchar(2)) as c3,
cast(_koi8r'Æ ' AS nchar(2)) as c4,
cast(_koi8r'Æ' AS nchar(2)) as c5;
create table t1 select
cast(_koi8r'ÆÇ' AS nchar) as c1,
cast(_koi8r'Æ ' AS nchar) as c2,
cast(_koi8r'ÆÇÈ' AS nchar(2)) as c3,
cast(_koi8r'Æ ' AS nchar(2)) as c4,
cast(_koi8r'Æ' AS nchar(2)) as c5;
select * from t1;
show create table t1;
drop table t1;
#
# Bug 2202
# CAST from BINARY to non-BINARY and from non-BINARY to BINARY
#
create table t1 (a binary(4), b char(4) character set koi8r);
insert into t1 values (_binary'ÔÅÓÔ',_binary'ÔÅÓÔ');
select a,b,cast(a as char character set cp1251),cast(b as binary) from t1;
set names koi8r;
select a,b,cast(a as char character set cp1251),cast(b as binary) from t1;
set names cp1251;
select a,b,cast(a as char character set cp1251),cast(b as binary) from t1;
drop table t1;
set names binary;
#
# The following should be fixed in 4.1
#
select cast("2001-1-1" as date) = "2001-01-01";
select cast("2001-1-1" as datetime) = "2001-01-01 00:00:00";
select cast("1:2:3" as TIME) = "1:02:03";
select cast(NULL as DATE);
select cast(NULL as BINARY);
#
# Bug #5228 ORDER BY CAST(enumcol) sorts incorrectly under certain conditions
#
CREATE TABLE t1 (a enum ('aac','aab','aaa') not null);
INSERT INTO t1 VALUES ('aaa'),('aab'),('aac');
# these two should be in enum order
SELECT a, CAST(a AS CHAR) FROM t1 ORDER BY CAST(a AS UNSIGNED) ;
SELECT a, CAST(a AS CHAR(3)) FROM t1 ORDER BY CAST(a AS CHAR(2)), a;
# these two should be in alphabetic order
SELECT a, CAST(a AS UNSIGNED) FROM t1 ORDER BY CAST(a AS CHAR) ;
SELECT a, CAST(a AS CHAR(2)) FROM t1 ORDER BY CAST(a AS CHAR(3)), a;
DROP TABLE t1;
#
# Test for bug #6914 "Problems using time()/date() output in expressions".
# When we are casting datetime value to DATE/TIME we should throw away
# time/date parts (correspondingly).
#
select date_add(cast('2004-12-30 12:00:00' as date), interval 0 hour);
select timediff(cast('2004-12-30 12:00:00' as time), '12:00:00');
# Still we should not throw away "days" part of time value
select timediff(cast('1 12:00:00' as time), '12:00:00');
#
# Bug #7036: Casting from string to unsigned would cap value of result at
# maximum signed value instead of maximum unsigned value
#
select cast(18446744073709551615 as unsigned);
select cast(18446744073709551615 as signed);
select cast('18446744073709551615' as unsigned);
select cast('18446744073709551615' as signed);
select cast('9223372036854775807' as signed);
select cast(concat('184467440','73709551615') as unsigned);
select cast(concat('184467440','73709551615') as signed);
select cast(repeat('1',20) as unsigned);
select cast(repeat('1',20) as signed);
#
# Bug #13344: cast of large decimal to signed int not handled correctly
#
select cast(1.0e+300 as signed int);
#
# Bugs: #15098: CAST(column double TO signed int), wrong result
#
CREATE TABLE t1 (f1 double);
INSERT INTO t1 SET f1 = -1.0e+30 ;
INSERT INTO t1 SET f1 = +1.0e+30 ;
# Expected result is +-1e+30, but Windows returns +-1e+030.
--replace_result 1e+030 1e+30
SELECT f1 AS double_val, CAST(f1 AS SIGNED INT) AS cast_val FROM t1;
DROP TABLE t1;
#
# Bug #23938: cast(NULL as DATE)
#
select isnull(date(NULL)), isnull(cast(NULL as DATE));
--echo End of 4.1 tests
#decimal-related additions
select cast('1.2' as decimal(3,2));
select 1e18 * cast('1.2' as decimal(3,2));
select cast(cast('1.2' as decimal(3,2)) as signed);
set @v1=1e18;
select cast(@v1 as decimal(22, 2));
select cast(-1e18 as decimal(22,2));
create table t1(s1 time);
insert into t1 values ('11:11:11');
select cast(s1 as decimal(7,2)) from t1;
drop table t1;
#
# Test for bug #11283: field conversion from varchar, and text types to decimal
#
CREATE TABLE t1 (v varchar(10), tt tinytext, t text,
mt mediumtext, lt longtext);
INSERT INTO t1 VALUES ('1.01', '2.02', '3.03', '4.04', '5.05');
SELECT CAST(v AS DECIMAL), CAST(tt AS DECIMAL), CAST(t AS DECIMAL),
CAST(mt AS DECIMAL), CAST(lt AS DECIMAL) from t1;
DROP TABLE t1;
#
# Bug #10237 (CAST(NULL DECIMAL) crashes server)
#
select cast(NULL as decimal(6)) as t1;
#
# Bug #17903: cast to char results in binary
#
set names latin1;
select hex(cast('a' as char(2) binary));
select hex(cast('a' as binary(2)));
select hex(cast('a' as char(2) binary));
--echo End of 5.0 tests
|
