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authordan miller2007-10-21 08:36:32 +0000
committerdan miller2007-10-21 08:36:32 +0000
commit2f8d7092bc2c9609fa98d6888106b96f38b22828 (patch)
treeda6c37579258cc965b52a75aee6135fe44237698 /libraries/sqlite/unix/sqlite-3.5.1/test/progress.test
parent* Committing new PolicyManager based on an ACL system. (diff)
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1# 2001 September 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# This file implements regression tests for SQLite library. The
12# focus of this file is testing the 'progress callback'.
13#
14# $Id: progress.test,v 1.8 2007/06/15 14:53:53 danielk1977 Exp $
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18
19# If the progress callback is not available in this build, skip this
20# whole file.
21ifcapable !progress {
22 finish_test
23 return
24}
25
26# Build some test data
27#
28execsql {
29 BEGIN;
30 CREATE TABLE t1(a);
31 INSERT INTO t1 VALUES(1);
32 INSERT INTO t1 VALUES(2);
33 INSERT INTO t1 VALUES(3);
34 INSERT INTO t1 VALUES(4);
35 INSERT INTO t1 VALUES(5);
36 INSERT INTO t1 VALUES(6);
37 INSERT INTO t1 VALUES(7);
38 INSERT INTO t1 VALUES(8);
39 INSERT INTO t1 VALUES(9);
40 INSERT INTO t1 VALUES(10);
41 COMMIT;
42}
43
44
45# Test that the progress callback is invoked.
46do_test progress-1.0 {
47 set counter 0
48 db progress 1 "[namespace code {incr counter}] ; expr 0"
49 execsql {
50 SELECT * FROM t1
51 }
52 expr $counter > 1
53} 1
54do_test progress-1.0.1 {
55 db progress
56} {::namespace inscope :: {incr counter} ; expr 0}
57do_test progress-1.0.2 {
58 set v [catch {db progress xyz bogus} msg]
59 lappend v $msg
60} {1 {expected integer but got "xyz"}}
61
62# Test that the query is abandoned when the progress callback returns non-zero
63do_test progress-1.1 {
64 set counter 0
65 db progress 1 "[namespace code {incr counter}] ; expr 1"
66 set rc [catch {execsql {
67 SELECT * FROM t1
68 }}]
69 list $counter $rc
70} {1 1}
71
72# Test that the query is rolled back when the progress callback returns
73# non-zero.
74do_test progress-1.2 {
75
76 # This figures out how many opcodes it takes to copy 5 extra rows into t1.
77 db progress 1 "[namespace code {incr five_rows}] ; expr 0"
78 set five_rows 0
79 execsql {
80 INSERT INTO t1 SELECT a+10 FROM t1 WHERE a < 6
81 }
82 db progress 0 ""
83 execsql {
84 DELETE FROM t1 WHERE a > 10
85 }
86
87 # Now set up the progress callback to abandon the query after the number of
88 # opcodes to copy 5 rows. That way, when we try to copy 6 rows, we know
89 # some data will have been inserted into the table by the time the progress
90 # callback abandons the query.
91 db progress $five_rows "expr 1"
92 catchsql {
93 INSERT INTO t1 SELECT a+10 FROM t1 WHERE a < 9
94 }
95 execsql {
96 SELECT count(*) FROM t1
97 }
98} 10
99
100# Test that an active transaction remains active and not rolled back
101# after the progress query abandons a query.
102#
103# UPDATE: It is now recognised that this is a sure route to database
104# corruption. So the transaction is rolled back.
105do_test progress-1.3 {
106
107 db progress 0 ""
108 execsql BEGIN
109 execsql {
110 INSERT INTO t1 VALUES(11)
111 }
112 db progress 1 "expr 1"
113 catchsql {
114 INSERT INTO t1 VALUES(12)
115 }
116 db progress 0 ""
117 catchsql COMMIT
118} {1 {cannot commit - no transaction is active}}
119do_test progress-1.3.1 {
120 execsql {
121 SELECT count(*) FROM t1
122 }
123} 10
124
125# Check that a value of 0 for N means no progress callback
126do_test progress-1.4 {
127 set counter 0
128 db progress 0 "[namespace code {incr counter}] ; expr 0"
129 execsql {
130 SELECT * FROM t1;
131 }
132 set counter
133} 0
134
135db progress 0 ""
136
137# Make sure other queries can be run from within the progress
138# handler. Ticket #1827
139#
140do_test progress-1.5 {
141 set rx 0
142 proc set_rx {args} {
143 db progress 0 {}
144 set ::rx [db eval {SELECT count(*) FROM t1}]
145 return [expr 0]
146 }
147 db progress 10 set_rx
148 db eval {
149 SELECT sum(a) FROM t1
150 }
151} {55}
152do_test progress-1.6 {
153 set ::rx
154} {10}
155
156# Check that abandoning a query using the progress handler does
157# not cause other queries to abort. Ticket #2415.
158do_test progress-1.7 {
159 execsql {
160 CREATE TABLE abc(a, b, c);
161 INSERT INTO abc VALUES(1, 2, 3);
162 INSERT INTO abc VALUES(4, 5, 6);
163 INSERT INTO abc VALUES(7, 8, 9);
164 }
165
166 set ::res [list]
167 db eval {SELECT a, b, c FROM abc} {
168 lappend ::res $a $b $c
169 db progress 10 "expr 1"
170 catch {db eval {SELECT a, b, c FROM abc} { }} msg
171 lappend ::res $msg
172 }
173
174 set ::res
175} {1 2 3 interrupted 4 5 6 interrupted 7 8 9 interrupted}
176
177finish_test