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# 2002 November 30
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. The
# focus of this script testing the ability of SQLite to handle database
# files larger than 4GB.
#
# $Id: bigfile.test,v 1.12 2009/03/05 04:27:08 shane Exp $
#
if {[file exists skip-big-file]} return
if {$tcl_platform(os)=="Darwin"} return
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Do not use a codec for this file, as the database is manipulated using
# external methods (the [fake_big_file] and [hexio_write] commands).
#
do_not_use_codec
# If SQLITE_DISABLE_LFS is defined, omit this file.
ifcapable !lfs {
finish_test
return
}
# These tests only work for Tcl version 8.4 and later. Prior to 8.4,
# Tcl was unable to handle large files.
#
scan $::tcl_version %f vx
if {$vx<8.4} return
# Mac OS X does not handle large files efficiently. So skip this test
# on that platform.
if {$tcl_platform(os)=="Darwin"} return
# This is the md5 checksum of all the data in table t1 as created
# by the first test. We will use this number to make sure that data
# never changes.
#
set MAGIC_SUM {593f1efcfdbe698c28b4b1b693f7e4cf}
do_test bigfile-1.1 {
execsql {
BEGIN;
CREATE TABLE t1(x);
INSERT INTO t1 VALUES('abcdefghijklmnopqrstuvwxyz');
INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
INSERT INTO t1 SELECT rowid || ' ' || x FROM t1;
COMMIT;
}
execsql {
SELECT md5sum(x) FROM t1;
}
} $::MAGIC_SUM
# Try to create a large file - a file that is larger than 2^32 bytes.
# If this fails, it means that the system being tested does not support
# large files. So skip all of the remaining tests in this file.
#
db close
if {[catch {fake_big_file 4096 [get_pwd]/test.db} msg]} {
puts "**** Unable to create a file larger than 4096 MB. *****"
finish_test
return
}
hexio_write test.db 28 00000000
do_test bigfile-1.2 {
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t1;
}
} $::MAGIC_SUM
# The previous test may fail on some systems because they are unable
# to handle large files. If that is so, then skip all of the following
# tests. We will know the above test failed because the "db" command
# does not exist.
#
if {[llength [info command db]]<=0} {
puts "**** Large file support appears to be broken. *****"
finish_test
return
}
do_test bigfile-1.3 {
execsql {
CREATE TABLE t2 AS SELECT * FROM t1;
SELECT md5sum(x) FROM t2;
}
} $::MAGIC_SUM
do_test bigfile-1.4 {
db close
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t1;
}
} $::MAGIC_SUM
db close
if {[catch {fake_big_file 8192 [get_pwd]/test.db}]} {
puts "**** Unable to create a file larger than 8192 MB. *****"
finish_test
return
}
hexio_write test.db 28 00000000
do_test bigfile-1.5 {
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t1;
}
} $::MAGIC_SUM
do_test bigfile-1.6 {
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t2;
}
} $::MAGIC_SUM
do_test bigfile-1.7 {
execsql {
CREATE TABLE t3 AS SELECT * FROM t1;
SELECT md5sum(x) FROM t3;
}
} $::MAGIC_SUM
do_test bigfile-1.8 {
db close
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t1;
}
} $::MAGIC_SUM
do_test bigfile-1.9 {
execsql {
SELECT md5sum(x) FROM t2;
}
} $::MAGIC_SUM
db close
if {[catch {fake_big_file 16384 [get_pwd]/test.db}]} {
puts "**** Unable to create a file larger than 16384 MB. *****"
finish_test
return
}
hexio_write test.db 28 00000000
do_test bigfile-1.10 {
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t1;
}
} $::MAGIC_SUM
do_test bigfile-1.11 {
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t2;
}
} $::MAGIC_SUM
do_test bigfile-1.12 {
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t3;
}
} $::MAGIC_SUM
do_test bigfile-1.13 {
execsql {
CREATE TABLE t4 AS SELECT * FROM t1;
SELECT md5sum(x) FROM t4;
}
} $::MAGIC_SUM
do_test bigfile-1.14 {
db close
sqlite3 db test.db
execsql {
SELECT md5sum(x) FROM t1;
}
} $::MAGIC_SUM
do_test bigfile-1.15 {
execsql {
SELECT md5sum(x) FROM t2;
}
} $::MAGIC_SUM
do_test bigfile-1.16 {
execsql {
SELECT md5sum(x) FROM t3;
}
} $::MAGIC_SUM
finish_test