xref: /sqlite-3.40.0/test/stmt.test (revision da730f6e)
1# 2010 February 18
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# The tests in this file check that SQLite uses (or does not use) a
13# statement journal for various SQL statements.
14#
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18
19do_test stmt-1.1 {
20  execsql { CREATE TABLE t1(a integer primary key, b INTEGER NOT NULL) }
21} {}
22
23# The following tests verify the method used for the tests in this file -
24# that if a statement journal is required by a statement it is opened and
25# remains open until the current transaction is committed or rolled back.
26#
27do_test stmt-1.2 {
28  set sqlite_open_file_count
29} {1}
30do_test stmt-1.3 {
31  execsql {
32    BEGIN;
33      INSERT INTO t1 VALUES(1, 1);
34  }
35  set sqlite_open_file_count
36} {2}
37do_test stmt-1.4 {
38  execsql {
39    INSERT INTO t1 SELECT a+1, b+1 FROM t1;
40  }
41  set sqlite_open_file_count
42} {3}
43do_test stmt-1.5 {
44  execsql COMMIT
45  set sqlite_open_file_count
46} {1}
47do_test stmt-1.6 {
48  execsql {
49    BEGIN;
50      INSERT INTO t1 SELECT a+2, b+2 FROM t1;
51  }
52  set sqlite_open_file_count
53} {3}
54do_test stmt-1.7 {
55  execsql COMMIT
56  set sqlite_open_file_count
57} {1}
58
59
60proc filecount {testname sql expected} {
61  uplevel [list do_test $testname [subst -nocommand {
62    execsql BEGIN
63    execsql { $sql }
64    set ret [set sqlite_open_file_count]
65    execsql ROLLBACK
66    set ret
67  }] $expected]
68}
69
70filecount stmt-2.1 { INSERT INTO t1 VALUES(5, 5)  } 2
71filecount stmt-2.2 { REPLACE INTO t1 VALUES(5, 5) } 2
72filecount stmt-2.3 { INSERT INTO t1 SELECT 5, 5   } 3
73
74do_test stmt-2.4 {
75  execsql { CREATE INDEX i1 ON t1(b) }
76} {}
77filecount stmt-2.5 { REPLACE INTO t1 VALUES(5, 5) } 3
78
79finish_test
80
81