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Adding upstream version 1.37.0.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
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Daniel Baumann 2025-05-17 09:46:10 +02:00
parent 42613ad5c6
commit 271b368104
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
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testdata/tcl/jrnlmode3.test vendored Normal file
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# 2009 April 20
#
# 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.
#
#***********************************************************************
#
# Test cases inspired by ticket #3811. Tests to make sure that
# the journal_mode can only be changed at appropriate times and that
# all reported changes are effective.
#
# $Id: jrnlmode3.test,v 1.5 2009/04/20 17:43:03 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable {!pager_pragmas} {
finish_test
return
}
#
# Verify that journal_mode=OFF works as long as it occurs before the first
# transaction, even if locking_mode=EXCLUSIVE is enabled. The behavior if
# journal_mode is changed after the first transaction is undefined and hence
# untested.
#
do_test jrnlmode3-1.1 {
db eval {
PRAGMA journal_mode=OFF;
PRAGMA locking_mode=EXCLUSIVE;
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(1);
SELECT * FROM t1;
}
} {off exclusive 1}
do_test jrnlmode3-1.2 {
db eval {
BEGIN;
INSERT INTO t1 VALUES(2);
ROLLBACK;
SELECT * FROM t1;
}
} {1}
db close
forcedelete test.db test.db-journal
sqlite3 db test.db
do_test jrnlmode3-2.1 {
db eval {
PRAGMA locking_mode=EXCLUSIVE;
PRAGMA journal_mode=OFF;
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(1);
SELECT * FROM t1;
}
} {exclusive off 1}
do_test jrnlmode3-2.2 {
db eval {
BEGIN;
INSERT INTO t1 VALUES(2);
ROLLBACK;
SELECT * FROM t1;
}
} {1}
# Test cases to verify that we can move from any journal_mode
# to any other, as long as we are not in a transaction. Verify
# that we cannot change journal_mode while a transaction is active.
#
set all_journal_modes {delete persist truncate memory off}
set cnt 0
foreach fromjmode $all_journal_modes {
foreach tojmode $all_journal_modes {
# Skip the no-change cases
if {$fromjmode==$tojmode} continue
incr cnt
# Start with a fresh database connection an empty database file.
#
db close
forcedelete test.db test.db-journal
sqlite3 db test.db
# Initialize the journal mode.
#
do_test jrnlmode3-3.$cnt.1-($fromjmode-to-$tojmode) {
db eval "PRAGMA journal_mode = $fromjmode;"
} $fromjmode
# Verify that the initial journal mode takes.
#
do_test jrnlmode3-3.$cnt.2 {
db eval {PRAGMA main.journal_mode}
} $fromjmode
# Start a transaction and try to change the journal mode within
# the transaction. This should fail.
#
do_test jrnlmode3-3.$cnt.3 {
db eval {
CREATE TABLE t1(x);
BEGIN;
INSERT INTO t1 VALUES($cnt);
}
db eval "PRAGMA journal_mode=$tojmode"
} $fromjmode
# Rollback the transaction.
#
do_test jrnlmode3-3.$cnt.4 {
db eval {
ROLLBACK;
SELECT * FROM t1;
}
} {}
# Now change the journal mode again. This time the new mode
# should take.
#
do_test jrnlmode3-3.$cnt.5 {
db eval "PRAGMA journal_mode=$tojmode"
} $tojmode
# Do a the transaction. Verify that the rollback occurred
# if journal_mode!=OFF.
#
do_test jrnlmode3-3.$cnt.6 {
db eval {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(x);
BEGIN;
INSERT INTO t1 VALUES(1);
}
db eval ROLLBACK
db eval {
SELECT * FROM t1;
}
} {}
}
}
finish_test