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1 office 1 # 2008 July 14
2 #
3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
5 #
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
9 #
10 #***********************************************************************
11 #
12 # Test the btree mutex protocol for shared cache mode.
13 #
14 # $Id: shared4.test,v 1.2 2008/08/04 03:51:24 danielk1977 Exp $
15  
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
18 db close
19 puts hello
20  
21 # This script is only valid if we are running shared-cache mode in a
22 # threadsafe-capable database engine.
23 #
24 ifcapable !shared_cache||!compound {
25 finish_test
26 return
27 }
28 set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
29  
30 # Prepare multiple databases in shared cache mode.
31 #
32 do_test shared4-1.1 {
33 file delete -force test1.db test1.db-journal
34 file delete -force test2.db test2.db-journal
35 file delete -force test3.db test3.db-journal
36 file delete -force test4.db test4.db-journal
37 sqlite3 db1 test1.db
38 sqlite3 db2 test2.db
39 sqlite3 db3 test3.db
40 sqlite3 db4 test4.db
41 db1 eval {
42 CREATE TABLE t1(a);
43 INSERT INTO t1 VALUES(111);
44 }
45 db2 eval {
46 CREATE TABLE t2(b);
47 INSERT INTO t2 VALUES(222);
48 }
49 db3 eval {
50 CREATE TABLE t3(c);
51 INSERT INTO t3 VALUES(333);
52 }
53 db4 eval {
54 CREATE TABLE t4(d);
55 INSERT INTO t4 VALUES(444);
56 }
57 db1 eval {
58 ATTACH DATABASE 'test2.db' AS two;
59 ATTACH DATABASE 'test3.db' AS three;
60 ATTACH DATABASE 'test4.db' AS four;
61 }
62 db2 eval {
63 ATTACH DATABASE 'test4.db' AS four;
64 ATTACH DATABASE 'test3.db' AS three;
65 ATTACH DATABASE 'test1.db' AS one;
66 }
67 db3 eval {
68 ATTACH DATABASE 'test1.db' AS one;
69 ATTACH DATABASE 'test2.db' AS two;
70 ATTACH DATABASE 'test4.db' AS four;
71 }
72 db4 eval {
73 ATTACH DATABASE 'test3.db' AS three;
74 ATTACH DATABASE 'test2.db' AS two;
75 ATTACH DATABASE 'test1.db' AS one;
76 }
77 db1 eval {
78 SELECT a FROM t1 UNION ALL
79 SELECT b FROM t2 UNION ALL
80 SELECT c FROM t3 UNION ALL
81 SELECT d FROM t4;
82 }
83 } {111 222 333 444}
84 do_test shared4-1.2 {
85 db2 eval {
86 SELECT a FROM t1 UNION ALL
87 SELECT b FROM t2 UNION ALL
88 SELECT d FROM t4 UNION ALL
89 SELECT c FROM t3;
90 }
91 } {111 222 444 333}
92 do_test shared4-1.3 {
93 db3 eval {
94 SELECT a FROM t1 UNION ALL
95 SELECT c FROM t3 UNION ALL
96 SELECT b FROM t2 UNION ALL
97 SELECT d FROM t4;
98 }
99 } {111 333 222 444}
100 do_test shared4-1.4 {
101 db4 eval {
102 SELECT a FROM t1 UNION ALL
103 SELECT c FROM t3 UNION ALL
104 SELECT d FROM t4 UNION ALL
105 SELECT b FROM t2;
106 }
107 } {111 333 444 222}
108 do_test shared4-1.5 {
109 db3 eval {
110 SELECT a FROM t1 UNION ALL
111 SELECT d FROM t4 UNION ALL
112 SELECT b FROM t2 UNION ALL
113 SELECT c FROM t3;
114 }
115 } {111 444 222 333}
116 do_test shared4-1.6 {
117 db4 eval {
118 SELECT a FROM t1 UNION ALL
119 SELECT d FROM t4 UNION ALL
120 SELECT c FROM t3 UNION ALL
121 SELECT b FROM t2;
122 }
123 } {111 444 333 222}
124 do_test shared4-1.7 {
125 db1 eval {
126 SELECT b FROM t2 UNION ALL
127 SELECT a FROM t1 UNION ALL
128 SELECT c FROM t3 UNION ALL
129 SELECT d FROM t4;
130 }
131 } {222 111 333 444}
132 do_test shared4-1.8 {
133 db2 eval {
134 SELECT b FROM t2 UNION ALL
135 SELECT a FROM t1 UNION ALL
136 SELECT d FROM t4 UNION ALL
137 SELECT c FROM t3;
138 }
139 } {222 111 444 333}
140 do_test shared4-1.9 {
141 db3 eval {
142 SELECT b FROM t2 UNION ALL
143 SELECT c FROM t3 UNION ALL
144 SELECT a FROM t1 UNION ALL
145 SELECT d FROM t4;
146 }
147 } {222 333 111 444}
148 do_test shared4-1.10 {
149 db4 eval {
150 SELECT b FROM t2 UNION ALL
151 SELECT c FROM t3 UNION ALL
152 SELECT d FROM t4 UNION ALL
153 SELECT a FROM t1;
154 }
155 } {222 333 444 111}
156 do_test shared4-1.11 {
157 db1 eval {
158 SELECT c FROM t3 UNION ALL
159 SELECT a FROM t1 UNION ALL
160 SELECT b FROM t2 UNION ALL
161 SELECT d FROM t4;
162 }
163 } {333 111 222 444}
164 do_test shared4-1.12 {
165 db2 eval {
166 SELECT c FROM t3 UNION ALL
167 SELECT a FROM t1 UNION ALL
168 SELECT d FROM t4 UNION ALL
169 SELECT b FROM t2;
170 }
171 } {333 111 444 222}
172  
173 do_test shared4-2.1 {
174 db1 eval {
175 UPDATE t1 SET a=a+1000;
176 UPDATE t2 SET b=b+2000;
177 UPDATE t3 SET c=c+3000;
178 UPDATE t4 SET d=d+4000;
179 }
180 db2 eval {
181 UPDATE t1 SET a=a+10000;
182 UPDATE t2 SET b=b+20000;
183 UPDATE t3 SET c=c+30000;
184 UPDATE t4 SET d=d+40000;
185 }
186 db3 eval {
187 UPDATE t1 SET a=a+100000;
188 UPDATE t2 SET b=b+200000;
189 UPDATE t3 SET c=c+300000;
190 UPDATE t4 SET d=d+400000;
191 }
192 db4 eval {
193 UPDATE t1 SET a=a+1000000;
194 UPDATE t2 SET b=b+2000000;
195 UPDATE t3 SET c=c+3000000;
196 UPDATE t4 SET d=d+4000000;
197 }
198 db1 eval {
199 SELECT a FROM t1 UNION ALL
200 SELECT b FROM t2 UNION ALL
201 SELECT c FROM t3 UNION ALL
202 SELECT d FROM t4;
203 }
204 } {1111111 2222222 3333333 4444444}
205 do_test shared4-2.2 {
206 db2 eval {
207 SELECT a FROM t1 UNION ALL
208 SELECT b FROM t2 UNION ALL
209 SELECT d FROM t4 UNION ALL
210 SELECT c FROM t3;
211 }
212 } {1111111 2222222 4444444 3333333}
213 do_test shared4-2.3 {
214 db3 eval {
215 SELECT a FROM t1 UNION ALL
216 SELECT c FROM t3 UNION ALL
217 SELECT b FROM t2 UNION ALL
218 SELECT d FROM t4;
219 }
220 } {1111111 3333333 2222222 4444444}
221 do_test shared4-2.4 {
222 db4 eval {
223 SELECT a FROM t1 UNION ALL
224 SELECT c FROM t3 UNION ALL
225 SELECT d FROM t4 UNION ALL
226 SELECT b FROM t2;
227 }
228 } {1111111 3333333 4444444 2222222}
229  
230  
231 db1 close
232 db2 close
233 db3 close
234 db4 close
235  
236 sqlite3_enable_shared_cache $::enable_shared_cache
237 finish_test