xref: /sqlite-3.40.0/test/stmt.test (revision 9bccde3d) 
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 $testdir/tester.tcl
18
19do_test stmt-1.1 {
20  execsql { CREATE TABLE t1(a integer primary key, b INTEGER NOT NULL) }
21} {}
22
23# The following tests verify the method used for the tests in this file -
24# that if a statement journal is required by a statement it is opened and
25# remains open until the current transaction is committed or rolled back.
26#
27# This only work if SQLITE_TEMP_STORE!=3
28#
29if {$::TEMP_STORE==3} {
30  finish_test
31  return
32}
33do_test stmt-1.2 {
34  set sqlite_open_file_count
35} {1}
36do_test stmt-1.3 {
37  execsql {
38    PRAGMA temp_store = file;
39    BEGIN;
40      INSERT INTO t1 VALUES(1, 1);
41  }
42  set sqlite_open_file_count
43} {2}
44do_test stmt-1.4 {
45  execsql {
46    INSERT INTO t1 SELECT a+1, b+1 FROM t1;
47  }
48  set sqlite_open_file_count
49  # 2016-03-04: statement-journal open deferred
50} {2}
51do_test stmt-1.5 {
52  execsql COMMIT
53  set sqlite_open_file_count
54} {1}
55do_test stmt-1.6.1 {
56  execsql {
57    BEGIN;
58      INSERT INTO t1 SELECT a+2, b+2 FROM t1;
59  }
60  set sqlite_open_file_count
61} {2}
62do_test stmt-1.6.2 {
63  execsql { INSERT INTO t1 SELECT a+4, b+4 FROM t1 }
64  set sqlite_open_file_count
65  # 2016-03-04: statement-journal open deferred
66} {2}
67do_test stmt-1.7 {
68  execsql COMMIT
69  set sqlite_open_file_count
70} {1}
71
72
73proc filecount {testname sql expected} {
74  uplevel [list do_test $testname [subst -nocommand {
75    execsql BEGIN
76    execsql { $sql }
77    set ret [set sqlite_open_file_count]
78    execsql ROLLBACK
79    set ret
80  }] $expected]
81}
82
83filecount stmt-2.1 { INSERT INTO t1 VALUES(9, 9)  } 2
84filecount stmt-2.2 { REPLACE INTO t1 VALUES(9, 9) } 2
85filecount stmt-2.3 { INSERT INTO t1 SELECT 9, 9   } 2
86filecount stmt-2.4 {
87    INSERT INTO t1 SELECT 9, 9;
88    INSERT INTO t1 SELECT 10, 10;
89} 2
90
91do_test stmt-2.5 {
92  execsql { CREATE INDEX i1 ON t1(b) }
93} {}
94filecount stmt-2.6 {
95  REPLACE INTO t1 VALUES(5, 5);
96  REPLACE INTO t1 VALUES(5, 5);
97} 2
98
99finish_test
100