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Side by Side Diff: third_party/sqlite/test/savepoint2.test

Issue 3108030: Move bundled copy of sqlite one level deeper to better separate it... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 10 years, 4 months ago
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1 # 2008 December 15
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 # $Id: savepoint2.test,v 1.5 2009/06/05 17:09:12 drh Exp $
13
14 set testdir [file dirname $argv0]
15 source $testdir/tester.tcl
16
17 # Tests in this file are quite similar to those run by trans.test and
18 # avtrans.test.
19 #
20
21 proc signature {} {
22 return [db eval {SELECT count(*), md5sum(x) FROM t3}]
23 }
24
25 do_test savepoint2-1 {
26 execsql {
27 PRAGMA cache_size=10;
28 BEGIN;
29 CREATE TABLE t3(x TEXT);
30 INSERT INTO t3 VALUES(randstr(10,400));
31 INSERT INTO t3 VALUES(randstr(10,400));
32 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
33 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
34 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
35 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
36 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
37 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
38 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
39 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
40 INSERT INTO t3 SELECT randstr(10,400) FROM t3;
41 COMMIT;
42 SELECT count(*) FROM t3;
43 }
44 } {1024}
45
46 unset -nocomplain ::sig
47 unset -nocomplain SQL
48
49 set iterations 20
50
51 set SQL(1) {
52 DELETE FROM t3 WHERE random()%10!=0;
53 INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
54 INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
55 }
56 set SQL(2) {
57 DELETE FROM t3 WHERE random()%10!=0;
58 INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
59 DELETE FROM t3 WHERE random()%10!=0;
60 INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
61 }
62 set SQL(3) {
63 UPDATE t3 SET x = randstr(10, 400) WHERE random()%10;
64 INSERT INTO t3 SELECT x FROM t3 WHERE random()%10;
65 DELETE FROM t3 WHERE random()%10;
66 }
67 set SQL(4) {
68 INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE (random()%10 == 0);
69 }
70
71
72
73 for {set ii 2} {$ii < ($iterations+2)} {incr ii} {
74
75 # Record the database signature. Optionally (every second run) open a
76 # transaction. In all cases open savepoint "one", which may or may
77 # not be a transaction savepoint, depending on whether or not a real
78 # transaction has been opened.
79 #
80 do_test savepoint2-$ii.1 {
81 if {$ii % 2} { execsql BEGIN }
82 set ::sig(one) [signature]
83 execsql "SAVEPOINT one"
84 } {}
85
86 # Execute some SQL on the database. Then rollback to savepoint "one".
87 # Check that the database signature is as it was when "one" was opened.
88 #
89 do_test savepoint2-$ii.2 {
90 execsql $SQL(1)
91 execsql "ROLLBACK to one"
92 signature
93 } $::sig(one)
94 integrity_check savepoint2-$ii.2.1
95
96 # Execute some SQL. Then open savepoint "two". Savepoint "two" is therefore
97 # nested in savepoint "one".
98 #
99 do_test savepoint2-$ii.3 {
100 execsql $SQL(1)
101 set ::sig(two) [signature]
102 execsql "SAVEPOINT two"
103 } {}
104
105 # More SQL changes. The rollback to savepoint "two". Check that the
106 # signature is as it was when savepoint "two" was opened.
107 #
108 do_test savepoint2-$ii.4 {
109 execsql $SQL(2)
110 execsql "ROLLBACK to two"
111 signature
112 } $::sig(two)
113 integrity_check savepoint2-$ii.4.1
114
115 # More SQL changes. The rollback to savepoint "two". Check that the
116 # signature is as it was when savepoint "two" was opened.
117 #
118 do_test savepoint2-$ii.5 {
119 execsql $SQL(2)
120 execsql "SAVEPOINT three"
121 execsql $SQL(3)
122 execsql "RELEASE three"
123 execsql "ROLLBACK to one"
124 signature
125 } $::sig(one)
126
127 # By this point the database is in the same state as it was at the
128 # top of the for{} loop (everything having been rolled back by the
129 # "ROLLBACK TO one" command above). So make a few changes to the
130 # database and COMMIT the open transaction, so that the next iteration
131 # of the for{} loop works on a different dataset.
132 #
133 # The transaction being committed here may have been opened normally using
134 # "BEGIN", or may have been opened using a transaction savepoint created
135 # by the "SAVEPOINT one" statement.
136 #
137 do_test savepoint2-$ii.6 {
138 execsql $SQL(4)
139 execsql COMMIT
140 sqlite3_get_autocommit db
141 } {1}
142 integrity_check savepoint2-$ii.6.1
143 }
144
145 unset -nocomplain ::sig
146 unset -nocomplain SQL
147
148 finish_test
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