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
|
# 2014-05-07
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file implements regression tests for SQLite library. The
# focus of this file is testing the nolock=1 and immutable=1 query
# parameters and the SQLITE_IOCAP_IMMUTABLE device characteristic.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
unset -nocomplain tvfs_calls
proc tvfs_reset {} {
global tvfs_calls
array set tvfs_calls {xLock 0 xUnlock 0 xCheckReservedLock 0 xAccess 0}
}
proc tvfs_callback {op args} {
global tvfs_calls
incr tvfs_calls($op)
return SQLITE_OK
}
tvfs_reset
testvfs tvfs
tvfs script tvfs_callback
tvfs filter {xLock xUnlock xCheckReservedLock xAccess}
############################################################################
# Verify that the nolock=1 query parameter for URI filenames disables all
# calls to xLock and xUnlock for rollback databases.
#
do_test nolock-1.0 {
db close
forcedelete test.db
tvfs_reset
sqlite db test.db -vfs tvfs
db eval {CREATE TABLE t1(a,b,c); INSERT INTO t1 VALUES(1,2,3);}
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock)
} {xLock 7 xUnlock 5 xCheckReservedLock 0}
do_test nolock-1.1 {
db close
forcedelete test.db
tvfs_reset
sqlite db file:test.db?nolock=0 -vfs tvfs -uri 1
db eval {CREATE TABLE t1(a,b,c); INSERT INTO t1 VALUES(1,2,3);}
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock)
} {xLock 7 xUnlock 5 xCheckReservedLock 0}
do_test nolock-1.2 {
db close
forcedelete test.db
tvfs_reset
sqlite db file:test.db?nolock=1 -vfs tvfs -uri 1
db eval {CREATE TABLE t1(a,b,c); INSERT INTO t1 VALUES(1,2,3);}
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock)
} {xLock 0 xUnlock 0 xCheckReservedLock 0}
do_test nolock-1.3 {
db close
tvfs_reset
sqlite db file:test.db?nolock=0 -vfs tvfs -uri 1 -readonly 1
db eval {SELECT * FROM t1}
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock)
} {xLock 2 xUnlock 2 xCheckReservedLock 0}
do_test nolock-1.4 {
db close
tvfs_reset
sqlite db file:test.db?nolock=1 -vfs tvfs -uri 1 -readonly 1
db eval {SELECT * FROM t1}
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock)
} {xLock 0 xUnlock 0 xCheckReservedLock 0}
#############################################################################
# Verify that immutable=1 disables both locking and xAccess calls to the
# journal files.
#
do_test nolock-2.0 {
db close
forcedelete test.db
# begin by creating a test database
sqlite3 db test.db
db eval {
CREATE TABLE t1(a,b);
INSERT INTO t1 VALUES('hello','world');
CREATE TABLE t2(x,y);
INSERT INTO t2 VALUES(12345,67890);
SELECT * FROM t1, t2;
}
} {hello world 12345 67890}
do_test nolock-2.1 {
tvfs_reset
sqlite3 db2 test.db -vfs tvfs
db2 eval {SELECT * FROM t1, t2}
} {hello world 12345 67890}
do_test nolock-2.2 {
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock) \
xAccess $::tvfs_calls(xAccess)
} {xLock 2 xUnlock 2 xCheckReservedLock 0 xAccess 4}
do_test nolock-2.11 {
db2 close
tvfs_reset
sqlite3 db2 file:test.db?immutable=0 -vfs tvfs -uri 1
db2 eval {SELECT * FROM t1, t2}
} {hello world 12345 67890}
do_test nolock-2.12 {
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock) \
xAccess $::tvfs_calls(xAccess)
} {xLock 2 xUnlock 2 xCheckReservedLock 0 xAccess 4}
do_test nolock-2.21 {
db2 close
tvfs_reset
sqlite3 db2 file:test.db?immutable=1 -vfs tvfs -uri 1
db2 eval {SELECT * FROM t1, t2}
} {hello world 12345 67890}
do_test nolock-2.22 {
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock) \
xAccess $::tvfs_calls(xAccess)
} {xLock 0 xUnlock 0 xCheckReservedLock 0 xAccess 0}
do_test nolock-2.31 {
db2 close
tvfs_reset
sqlite3 db2 file:test.db?immutable=1 -vfs tvfs -uri 1 -readonly 1
db2 eval {SELECT * FROM t1, t2}
} {hello world 12345 67890}
do_test nolock-2.32 {
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock) \
xAccess $::tvfs_calls(xAccess)
} {xLock 0 xUnlock 0 xCheckReservedLock 0 xAccess 0}
############################################################################
# Verify that the SQLITE_IOCAP_IMMUTABLE flag works
#
do_test nolock-3.1 {
db2 close
tvfs devchar immutable
tvfs_reset
sqlite3 db2 test.db -vfs tvfs
db2 eval {SELECT * FROM t1, t2}
} {hello world 12345 67890}
do_test nolock-3.2 {
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock) \
xAccess $::tvfs_calls(xAccess)
} {xLock 0 xUnlock 0 xCheckReservedLock 0 xAccess 0}
do_test nolock-3.11 {
db2 close
tvfs_reset
sqlite3 db2 test.db -vfs tvfs -readonly 1
db2 eval {SELECT * FROM t1, t2}
} {hello world 12345 67890}
do_test nolock-3.12 {
list xLock $::tvfs_calls(xLock) xUnlock $::tvfs_calls(xUnlock) \
xCheckReservedLock $::tvfs_calls(xCheckReservedLock) \
xAccess $::tvfs_calls(xAccess)
} {xLock 0 xUnlock 0 xCheckReservedLock 0 xAccess 0}
db2 close
db close
tvfs delete
if {[permutation]!="inmemory_journal"} {
# 2016-03-11: Make sure all works when transitioning to WAL mode
# under nolock.
#
do_test nolock-4.1 {
forcedelete test.db
sqlite3 db file:test.db?nolock=1 -uri 1
db eval {
PRAGMA journal_mode=WAL;
CREATE TABLE t1(x);
INSERT INTO t1 VALUES('youngling');
SELECT * FROM t1;
}
} {delete youngling}
db close
do_test nolock-4.2 {
forcedelete test.db
sqlite3 db test.db
db eval {
PRAGMA journal_mode=WAL;
CREATE TABLE t1(x);
INSERT INTO t1 VALUES('catbird');
SELECT * FROM t1;
}
} {wal catbird}
do_test nolock-4.3 {
db close
sqlite3 db file:test.db?nolock=1 -uri 1
set rc [catch {db eval {SELECT * FROM t1}} msg]
lappend rc $msg
} {1 {unable to open database file}}
}
finish_test
|
