3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this script testing the ability of SQLite to handle database
13 # files larger than 4GB in WAL mode.
17 set testdir [file dirname $argv0]
18 source $testdir/tester.tcl
25 # Do not use a codec for this file, as the database is manipulated using
26 # external methods (the [fake_big_file] and [hexio_write] commands).
30 # If SQLITE_DISABLE_LFS is defined, omit this file.
36 set a_string_counter 1
38 incr ::a_string_counter
39 string range [string repeat "${::a_string_counter}." $n] 1 $n
41 db func a_string a_string
45 PRAGMA journal_mode = WAL;
46 CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
47 INSERT INTO t1 VALUES(a_string(300), a_string(500));
48 INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
49 INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
50 INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
55 if {[catch {fake_big_file 5000 [get_pwd]/test.db}]} {
56 puts "**** Unable to create a file larger than 5000 MB. *****"
60 hexio_write test.db 28 00000000
63 db func a_string a_string
65 execsql { INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1 }
71 execsql { SELECT a FROM t1 ORDER BY a }
72 } [lsort [execsql { SELECT a FROM t1 ORDER BY rowid }]]
75 execsql { SELECT b FROM t1 ORDER BY b }
76 } [lsort [execsql { SELECT b FROM t1 ORDER BY rowid }]]