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
|
-- source include/have_ndb.inc
-- source include/not_embedded.inc
connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
--disable_warnings
DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7;
--enable_warnings
#
# Transaction lock test to show that the NDB
# table handler is working properly with
# transaction locks
#
#
# Testing of scan isolation
#
connection con1;
create table t1 (x integer not null primary key, y varchar(32)) engine = ndb;
insert into t1 values (1,'one'), (2,'two');
select * from t1 order by x;
connection con2;
select * from t1 order by x;
connection con1;
start transaction;
insert into t1 values (3,'three');
select * from t1 order by x;
connection con2;
start transaction;
select * from t1 order by x;
connection con1;
commit;
connection con2;
select * from t1 order by x;
commit;
drop table t1;
###
# Bug#6020
create table t1 (pk integer not null primary key, u int not null, o int not null,
unique(u), key(o)) engine = ndb;
insert into t1 values (1,1,1), (2,2,2), (3,3,3), (4,4,4), (5,5,5);
lock tables t1 write;
delete from t1 where pk = 1;
unlock tables;
select * from t1 order by pk;
insert into t1 values (1,1,1);
lock tables t1 write;
delete from t1 where u = 1;
unlock tables;
select * from t1 order by pk;
insert into t1 values (1,1,1);
lock tables t1 write;
delete from t1 where o = 1;
unlock tables;
select * from t1 order by pk;
insert into t1 values (1,1,1);
drop table t1;
# Lock for update
create table t1 (x integer not null primary key, y varchar(32), z integer, key(z)) engine = ndb;
insert into t1 values (1,'one',1);
# PK access
connection con1;
begin;
select * from t1 where x = 1 for update;
connection con2;
begin;
--error 1205
select * from t1 where x = 1 for update;
rollback;
connection con1;
rollback;
insert into t1 values (2,'two',2),(3,"three",3);
begin;
select * from t1 where x = 1 for update;
connection con2;
--error 1205
select * from t1 where x = 1 for update;
select * from t1 where x = 2 for update;
rollback;
connection con1;
commit;
# table scan
connection con1;
begin;
select * from t1 where y = 'one' or y = 'three' order by x for update;
connection con2;
begin;
# Have to check with pk access here since scans take locks on
# all rows and then release them in chunks
# Bug #20390 SELECT FOR UPDATE does not release locks of untouched rows in full table scans
#select * from t1 where x = 2 for update;
--error 1205
select * from t1 where x = 1 for update;
rollback;
connection con1;
commit;
# index scan
connection con1;
begin;
select * from t1 where z > 1 and z < 3 for update;
connection con2;
begin;
# Have to check with pk access here since scans take locks on
# all rows and then release them in chunks
select * from t1 where x = 1 for update;
--error 1205
select * from t1 where x = 2 for update;
rollback;
connection con1;
commit;
# share locking
# PK access
connection con1;
begin;
select * from t1 where x = 1 lock in share mode;
connection con2;
begin;
select * from t1 where x = 1 lock in share mode;
select * from t1 where x = 2 for update;
--error 1205
select * from t1 where x = 1 for update;
rollback;
connection con1;
commit;
# table scan
connection con1;
begin;
select * from t1 where y = 'one' or y = 'three' order by x lock in share mode;
connection con2;
begin;
select * from t1 where y = 'one' lock in share mode;
# Have to check with pk access here since scans take locks on
# all rows and then release them in chunks
# Bug #20390 SELECT FOR UPDATE does not release locks of untouched rows in full table scans
#select * from t1 where x = 2 for update;
--error 1205
select * from t1 where x = 1 for update;
rollback;
connection con1;
commit;
# index scan
connection con1;
begin;
select * from t1 where z > 1 and z < 3 lock in share mode;
connection con2;
begin;
select * from t1 where z = 1 lock in share mode;
# Have to check with pk access here since scans take locks on
# all rows and then release them in chunks
select * from t1 where x = 1 for update;
--error 1205
select * from t1 where x = 2 for update;
rollback;
connection con1;
commit;
drop table t1;
# End of 4.1 tests
|
