7
7
# Testing of NULL in a lot of different places
10
--error ER_DIVISION_BY_ZERO
11
10
select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
12
--error ER_DIVISION_BY_ZERO
13
11
explain extended select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
14
select CONCAT(1, NULL),1+NULL,1-NULL;
15
select NULL=NULL,NULL<>NULL,IFNULL(NULL,1.1)+0,CONCAT(IFNULL(NULL,1), 0);
16
select strcmp("a",NULL),(1<NULL)+0.0,null like "a%","a%" like null;
12
select 1 | NULL,1 & NULL,1+NULL,1-NULL;
13
select NULL=NULL,NULL<>NULL,IFNULL(NULL,1.1)+0,IFNULL(NULL,1) | 0;
14
select strcmp("a",NULL),(1<NULL)+0.0,NULL regexp "a",null like "a%","a%" like null;
17
15
select concat("a",NULL),replace(NULL,"a","b"),replace("string","i",NULL),replace("string",NULL,"i"),insert("abc",1,1,NULL),left(NULL,1);
18
16
select repeat("a",0),repeat("ab",5+5),repeat("ab",-1),reverse(NULL);
19
17
select field(NULL,"a","b","c");
22
20
SELECT NULL AND NULL, 1 AND NULL, NULL AND 1, NULL OR NULL, 0 OR NULL, NULL OR 0;
23
21
SELECT (NULL OR NULL) IS NULL;
24
22
select NULL AND 0, 0 and NULL;
25
# @TODO Move to functions/inet_ntoa.test when INET_NTOA function is
27
# select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
28
# explain extended select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
23
select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
24
explain extended select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
30
26
create table t1 (x int);
31
27
insert into t1 values (null);
64
60
# Test inserting and updating with NULL
66
CREATE TABLE t1 (a varchar(16) NOT NULL default '', b int NOT NULL default 0, c datetime NOT NULL default '2009-02-10 00:00:00', d int NOT NULL default 0);
68
# Test INSERT with NULL
70
--error ER_BAD_NULL_ERROR
62
CREATE TABLE t1 (a varchar(16) NOT NULL default '', b int(6) NOT NULL default 0, c datetime NOT NULL default '0000-00-00 00:00:00', d int(6) NOT NULL default 0);
63
INSERT INTO t1 SET a = "", d= "2003-01-14 03:54:55";
65
UPDATE t1 SET d=1/NULL;
71
69
INSERT INTO t1 (a) values (null);
72
--error ER_BAD_NULL_ERROR
73
71
INSERT INTO t1 (a) values (1/null);
74
--error ER_BAD_NULL_ERROR
75
72
INSERT INTO t1 (a) values (null),(null);
76
--error ER_BAD_NULL_ERROR
77
74
INSERT INTO t1 (b) values (null);
78
--error ER_BAD_NULL_ERROR
79
76
INSERT INTO t1 (b) values (1/null);
80
--error ER_BAD_NULL_ERROR
81
77
INSERT INTO t1 (b) values (null),(null);
82
--error ER_BAD_NULL_ERROR
83
79
INSERT INTO t1 (c) values (null);
84
--error ER_BAD_NULL_ERROR
85
81
INSERT INTO t1 (c) values (1/null);
86
--error ER_BAD_NULL_ERROR
87
82
INSERT INTO t1 (c) values (null),(null);
88
--error ER_BAD_NULL_ERROR
89
84
INSERT INTO t1 (d) values (null);
90
--error ER_BAD_NULL_ERROR
91
86
INSERT INTO t1 (d) values (1/null);
92
--error ER_BAD_NULL_ERROR
93
87
INSERT INTO t1 (d) values (null),(null);
95
# Test UPDATE with NULLs
97
# The following should not error since there
98
# are no rows in the table.
99
UPDATE t1 SET d= NULL;
101
# Insert a default row in order to test UPDATE to NULL error
102
INSERT INTO t1 VALUES ();
104
--error ER_BAD_NULL_ERROR
105
UPDATE t1 SET a=1/NULL;
106
--error ER_BAD_NULL_ERROR
107
UPDATE t1 SET a=NULL;
108
--error ER_BAD_NULL_ERROR
109
UPDATE t1 SET b=NULL;
110
--error ER_BAD_NULL_ERROR
111
UPDATE t1 SET c=NULL;
112
--error ER_BAD_NULL_ERROR
113
UPDATE t1 SET d=NULL;
117
# Test for LOAD DATA INFILE and check for NULL handling
118
# Error produced should be 1263, which is almost the same
119
# as 1048, only gives a "row" number.
120
# @TODO Is there really a reason for a separate error
121
# just for LOAD DATA INFILE?
122
--replace_result $DRIZZLETEST_VARDIR DRIZZLETEST_VARDIR
123
--error ER_WARN_NULL_TO_NOTNULL
124
eval LOAD DATA INFILE '$DRIZZLETEST_VARDIR/std_data_ln/null_test.txt' INTO TABLE t1 FIELDS ENCLOSED BY '"';
130
92
# Test to check elimination of IS NULL predicate for a non-nullable attribute
137
99
explain select * from t1 where a between 2 and 3;
138
100
explain select * from t1 where a between 2 and 3 or b is null;
102
select cast(NULL as signed);
142
105
# IS NULL is unable to use index in range if column is declared not null
145
#create table t1(i int, key(i));
146
#insert into t1 values(1);
147
#insert into t1 select i*2 from t1;
148
#insert into t1 select i*2 from t1;
149
#insert into t1 select i*2 from t1;
150
#insert into t1 select i*2 from t1;
151
#insert into t1 select i*2 from t1;
152
#insert into t1 select i*2 from t1;
153
#insert into t1 select i*2 from t1;
154
#insert into t1 select i*2 from t1;
155
#insert into t1 select i*2 from t1;
156
#insert into t1 values(null);
157
#explain select * from t1 where i=2 or i is null;
158
#select count(*) from t1 where i=2 or i is null;
159
# @TODO Fails with error 1265 on line 128. Bug?
160
#alter table t1 change i i int not null;
161
#explain select * from t1 where i=2 or i is null;
162
#select count(*) from t1 where i=2 or i is null;
108
create table t1(i int, key(i));
109
insert into t1 values(1);
110
insert into t1 select i*2 from t1;
111
insert into t1 select i*2 from t1;
112
insert into t1 select i*2 from t1;
113
insert into t1 select i*2 from t1;
114
insert into t1 select i*2 from t1;
115
insert into t1 select i*2 from t1;
116
insert into t1 select i*2 from t1;
117
insert into t1 select i*2 from t1;
118
insert into t1 select i*2 from t1;
119
insert into t1 values(null);
120
explain select * from t1 where i=2 or i is null;
121
select count(*) from t1 where i=2 or i is null;
122
alter table t1 change i i int not null;
123
explain select * from t1 where i=2 or i is null;
124
select count(*) from t1 where i=2 or i is null;
166
128
# NULL has its own type BINARY(0) by default.
167
129
# But NULL should be weaker than a constant
168
130
# when mixing charsets/collations
170
133
# Check that result type is taken from a non-null string
171
134
create table t1 select
227
189
'string' in ('STRING', null) as c08,
228
190
'string' in (null, 'STRING') as c09;
192
# Restore charset to the default value.
231
196
# Bug#19145: mysqld crashes if you set the default value of an enum field to NULL
233
#create table bug19145a (e enum('a','b','c') default 'b' , s set('x', 'y', 'z') default 'y' ) engine=MyISAM;
234
#create table bug19145b (e enum('a','b','c') default null, s set('x', 'y', 'z') default null) engine=MyISAM;
236
#create table bug19145c (e enum('a','b','c') not null default 'b' , s set('x', 'y', 'z') not null default 'y' ) engine=MyISAM;
238
# Invalid default value for 's'
239
#--error ER_INVALID_DEFAULT
240
#create table bug19145setnotnulldefaultnull (e enum('a','b','c') default null, s set('x', 'y', 'z') not null default null) engine=MyISAM;
242
# Invalid default value for 'e'
243
#--error ER_INVALID_DEFAULT
244
#create table bug19145enumnotnulldefaultnull (e enum('a','b','c') not null default null, s set('x', 'y', 'z') default null) engine=MyISAM;
246
#alter table bug19145a alter column e set default null;
247
#alter table bug19145a alter column s set default null;
248
#alter table bug19145a add column (i int);
250
#alter table bug19145b alter column e set default null;
251
#alter table bug19145b alter column s set default null;
252
#alter table bug19145b add column (i int);
254
# Invalid default value for 'e'
255
#--error ER_INVALID_DEFAULT
256
#alter table bug19145c alter column e set default null;
258
# Invalid default value for 's'
259
#--error ER_INVALID_DEFAULT
260
#alter table bug19145c alter column s set default null;
261
#alter table bug19145c add column (i int);
263
#show create table bug19145a;
264
#show create table bug19145b;
265
#show create table bug19145c;
267
#drop table bug19145a;
268
#drop table bug19145b;
269
#drop table bug19145c;
198
create table bug19145a (e enum('a','b','c') default 'b' , s set('x', 'y', 'z') default 'y' ) engine=MyISAM;
199
create table bug19145b (e enum('a','b','c') default null, s set('x', 'y', 'z') default null) engine=MyISAM;
201
create table bug19145c (e enum('a','b','c') not null default 'b' , s set('x', 'y', 'z') not null default 'y' ) engine=MyISAM;
203
# Invalid default value for 's'
205
create table bug19145setnotnulldefaultnull (e enum('a','b','c') default null, s set('x', 'y', 'z') not null default null) engine=MyISAM;
207
# Invalid default value for 'e'
209
create table bug19145enumnotnulldefaultnull (e enum('a','b','c') not null default null, s set('x', 'y', 'z') default null) engine=MyISAM;
211
alter table bug19145a alter column e set default null;
212
alter table bug19145a alter column s set default null;
213
alter table bug19145a add column (i int);
215
alter table bug19145b alter column e set default null;
216
alter table bug19145b alter column s set default null;
217
alter table bug19145b add column (i int);
219
# Invalid default value for 'e'
221
alter table bug19145c alter column e set default null;
223
# Invalid default value for 's'
225
alter table bug19145c alter column s set default null;
226
alter table bug19145c add column (i int);
228
show create table bug19145a;
229
show create table bug19145b;
230
show create table bug19145c;
232
drop table bug19145a;
233
drop table bug19145b;
234
drop table bug19145c;
271
236
--echo # End of 4.1 tests