/trunk/test/walmode.test |
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# 2010 April 19 |
# |
# 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 file is testing the operation of the library in |
# "PRAGMA journal_mode=WAL" mode. |
# |
|
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
source $testdir/malloc_common.tcl |
|
# If the library was compiled without WAL support, check that the |
# "PRAGMA journal_mode=WAL" treats "WAL" as an unrecognized mode. |
# |
ifcapable !wal { |
|
do_test walmode-0.1 { |
execsql { PRAGMA journal_mode = wal } |
} {delete} |
do_test walmode-0.2 { |
execsql { PRAGMA main.journal_mode = wal } |
} {delete} |
do_test walmode-0.3 { |
execsql { PRAGMA main.journal_mode } |
} {delete} |
|
finish_test |
return |
} |
|
do_test walmode-1.1 { |
set sqlite_sync_count 0 |
execsql { PRAGMA page_size = 1024 } |
execsql { PRAGMA journal_mode = wal } |
} {wal} |
do_test walmode-1.2 { |
file size test.db |
} {1024} |
|
set expected_sync_count 3 |
if {$::tcl_platform(platform)!="windows"} { |
ifcapable dirsync { |
incr expected_sync_count |
} |
} |
do_test walmode-1.3 { |
set sqlite_sync_count |
} $expected_sync_count |
|
do_test walmode-1.4 { |
file exists test.db-wal |
} {0} |
do_test walmode-1.5 { |
execsql { CREATE TABLE t1(a, b) } |
file size test.db |
} {1024} |
do_test walmode-1.6 { |
file exists test.db-wal |
} {1} |
do_test walmode-1.7 { |
db close |
file exists test.db-wal |
} {0} |
|
# There is now a database file with the read and write versions set to 2 |
# in the file system. This file should default to WAL mode. |
# |
do_test walmode-2.1 { |
sqlite3 db test.db |
file exists test.db-wal |
} {0} |
do_test walmode-2.2 { |
execsql { SELECT * FROM sqlite_master } |
file exists test.db-wal |
} {1} |
do_test walmode-2.3 { |
db close |
file exists test.db-wal |
} {0} |
|
# If the first statement executed is "PRAGMA journal_mode = wal", and |
# the file is already configured for WAL (read and write versions set |
# to 2), then there should be no need to write the database. The |
# statement should cause the client to connect to the log file. |
# |
set sqlite_sync_count 0 |
do_test walmode-3.1 { |
sqlite3 db test.db |
execsql { PRAGMA journal_mode = wal } |
} {wal} |
do_test walmode-3.2 { |
list $sqlite_sync_count [file exists test.db-wal] [file size test.db-wal] |
} {0 1 0} |
|
# Test that changing back to journal_mode=persist works. |
# |
do_test walmode-4.1 { |
execsql { INSERT INTO t1 VALUES(1, 2) } |
execsql { PRAGMA journal_mode = persist } |
} {persist} |
do_test walmode-4.2 { |
list [file exists test.db-journal] [file exists test.db-wal] |
} {1 0} |
do_test walmode-4.3 { |
execsql { SELECT * FROM t1 } |
} {1 2} |
do_test walmode-4.4 { |
db close |
sqlite3 db test.db |
execsql { SELECT * FROM t1 } |
} {1 2} |
do_test walmode-4.5 { |
list [file exists test.db-journal] [file exists test.db-wal] |
} {1 0} |
|
# Test that nothing goes wrong if a connection is prevented from changing |
# from WAL to rollback mode because a second connection has the database |
# open. Or from rollback to WAL. |
# |
do_test walmode-4.6 { |
sqlite3 db2 test.db |
execsql { PRAGMA main.journal_mode } db2 |
} {delete} |
do_test walmode-4.7 { |
execsql { PRAGMA main.journal_mode = wal } db |
} {wal} |
do_test walmode-4.8 { |
execsql { SELECT * FROM t1 } db2 |
} {1 2} |
do_test walmode-4.9 { |
catchsql { PRAGMA journal_mode = delete } db |
} {1 {database is locked}} |
do_test walmode-4.10 { |
execsql { PRAGMA main.journal_mode } db |
} {wal} |
|
do_test walmode-4.11 { |
db2 close |
execsql { PRAGMA journal_mode = delete } db |
} {delete} |
do_test walmode-4.12 { |
execsql { PRAGMA main.journal_mode } db |
} {delete} |
do_test walmode-4.13 { |
list [file exists test.db-journal] [file exists test.db-wal] |
} {0 0} |
do_test walmode-4.14 { |
sqlite3 db2 test.db |
execsql { |
BEGIN; |
SELECT * FROM t1; |
} db2 |
} {1 2} |
|
do_test walmode-4.16 { execsql { PRAGMA main.journal_mode } db } {delete} |
do_test walmode-4.17 { execsql { PRAGMA main.journal_mode } db2 } {delete} |
|
do_test walmode-4.17 { |
catchsql { PRAGMA main.journal_mode = wal } db |
} {1 {database is locked}} |
do_test walmode-4.18 { |
execsql { PRAGMA main.journal_mode } db |
} {delete} |
catch { db close } |
catch { db2 close } |
|
# Test that it is not possible to change a temporary or in-memory database |
# to WAL mode. WAL mode is for persistent file-backed databases only. |
# |
# walmode-5.1.*: Try to set journal_mode=WAL on [sqlite3 db :memory:] database. |
# walmode-5.2.*: Try to set journal_mode=WAL on [sqlite3 db ""] database. |
# walmode-5.3.*: Try to set temp.journal_mode=WAL. |
# |
do_test walmode-5.1.1 { |
sqlite3 db :memory: |
execsql { PRAGMA main.journal_mode } |
} {memory} |
do_test walmode-5.1.2 { |
execsql { PRAGMA main.journal_mode = wal } |
} {memory} |
do_test walmode-5.1.3 { |
execsql { |
BEGIN; |
CREATE TABLE t1(a, b); |
INSERT INTO t1 VALUES(1, 2); |
COMMIT; |
SELECT * FROM t1; |
PRAGMA main.journal_mode; |
} |
} {1 2 memory} |
do_test walmode-5.1.4 { |
execsql { PRAGMA main.journal_mode = wal } |
} {memory} |
do_test walmode-5.1.5 { |
execsql { |
INSERT INTO t1 VALUES(3, 4); |
SELECT * FROM t1; |
PRAGMA main.journal_mode; |
} |
} {1 2 3 4 memory} |
|
if {$TEMP_STORE>=2} { |
set tempJrnlMode memory |
} else { |
set tempJrnlMode delete |
} |
do_test walmode-5.2.1 { |
sqlite3 db "" |
execsql { PRAGMA main.journal_mode } |
} $tempJrnlMode |
do_test walmode-5.2.2 { |
execsql { PRAGMA main.journal_mode = wal } |
} $tempJrnlMode |
do_test walmode-5.2.3 { |
execsql { |
BEGIN; |
CREATE TABLE t1(a, b); |
INSERT INTO t1 VALUES(1, 2); |
COMMIT; |
SELECT * FROM t1; |
PRAGMA main.journal_mode; |
} |
} [list 1 2 $tempJrnlMode] |
do_test walmode-5.2.4 { |
execsql { PRAGMA main.journal_mode = wal } |
} $tempJrnlMode |
do_test walmode-5.2.5 { |
execsql { |
INSERT INTO t1 VALUES(3, 4); |
SELECT * FROM t1; |
PRAGMA main.journal_mode; |
} |
} [list 1 2 3 4 $tempJrnlMode] |
|
do_test walmode-5.3.1 { |
sqlite3 db test.db |
execsql { PRAGMA temp.journal_mode } |
} $tempJrnlMode |
do_test walmode-5.3.2 { |
execsql { PRAGMA temp.journal_mode = wal } |
} $tempJrnlMode |
do_test walmode-5.3.3 { |
execsql { |
BEGIN; |
CREATE TEMP TABLE t1(a, b); |
INSERT INTO t1 VALUES(1, 2); |
COMMIT; |
SELECT * FROM t1; |
PRAGMA temp.journal_mode; |
} |
} [list 1 2 $tempJrnlMode] |
do_test walmode-5.3.4 { |
execsql { PRAGMA temp.journal_mode = wal } |
} $tempJrnlMode |
do_test walmode-5.3.5 { |
execsql { |
INSERT INTO t1 VALUES(3, 4); |
SELECT * FROM t1; |
PRAGMA temp.journal_mode; |
} |
} [list 1 2 3 4 $tempJrnlMode] |
|
|
#------------------------------------------------------------------------- |
# Test changing to WAL mode from journal_mode=off or journal_mode=memory |
# |
foreach {tn mode} { |
1 off |
2 memory |
3 persist |
4 delete |
5 truncate |
} { |
do_test walmode-6.$tn { |
faultsim_delete_and_reopen |
execsql " |
PRAGMA journal_mode = $mode; |
PRAGMA journal_mode = wal; |
" |
} [list $mode wal] |
} |
db close |
|
#------------------------------------------------------------------------- |
# Test the effect of a "PRAGMA journal_mode" command being the first |
# thing executed by a new connection. This means that the schema is not |
# loaded when sqlite3_prepare_v2() is called to compile the statement. |
# |
do_test walmode-7.0 { |
file delete -force test.db |
sqlite3 db test.db |
execsql { |
PRAGMA journal_mode = WAL; |
CREATE TABLE t1(a, b); |
} |
} {wal} |
foreach {tn sql result} { |
1 "PRAGMA journal_mode" wal |
2 "PRAGMA main.journal_mode" wal |
3 "PRAGMA journal_mode = delete" delete |
4 "PRAGMA journal_mode" delete |
5 "PRAGMA main.journal_mode" delete |
6 "PRAGMA journal_mode = wal" wal |
7 "PRAGMA journal_mode" wal |
8 "PRAGMA main.journal_mode" wal |
|
9 "PRAGMA journal_mode" wal |
10 "PRAGMA main.journal_mode" wal |
11 "PRAGMA main.journal_mode = delete" delete |
12 "PRAGMA journal_mode" delete |
13 "PRAGMA main.journal_mode" delete |
14 "PRAGMA main.journal_mode = wal" wal |
15 "PRAGMA journal_mode" wal |
16 "PRAGMA main.journal_mode" wal |
} { |
do_test walmode-7.$tn { |
db close |
sqlite3 db test.db |
execsql $sql |
} $result |
} |
db close |
|
#------------------------------------------------------------------------- |
# Test the effect of a "PRAGMA journal_mode" command on an attached |
# database. |
# |
faultsim_delete_and_reopen |
do_execsql_test walmode-8.1 { |
CREATE TABLE t1(a, b); |
PRAGMA journal_mode = WAL; |
ATTACH 'test.db2' AS two; |
CREATE TABLE two.t2(a, b); |
} {wal} |
do_execsql_test walmode-8.2 { PRAGMA main.journal_mode } {wal} |
do_execsql_test walmode-8.3 { PRAGMA two.journal_mode } {delete} |
do_execsql_test walmode-8.4 { PRAGMA two.journal_mode = DELETE } {delete} |
|
db close |
sqlite3 db test.db |
do_execsql_test walmode-8.5 { ATTACH 'test.db2' AS two } {} |
do_execsql_test walmode-8.6 { PRAGMA main.journal_mode } {wal} |
do_execsql_test walmode-8.7 { PRAGMA two.journal_mode } {delete} |
do_execsql_test walmode-8.8 { INSERT INTO two.t2 DEFAULT VALUES } {} |
do_execsql_test walmode-8.9 { PRAGMA two.journal_mode } {delete} |
do_execsql_test walmode-8.10 { INSERT INTO t1 DEFAULT VALUES } {} |
do_execsql_test walmode-8.11 { PRAGMA main.journal_mode } {wal} |
do_execsql_test walmode-8.12 { PRAGMA journal_mode } {wal} |
|
# Change to WAL mode on test2.db and make sure (in the tests that follow) |
# that this mode change persists. |
do_test walmode-8.x1 { |
execsql { |
PRAGMA two.journal_mode=WAL; |
PRAGMA two.journal_mode; |
} |
} {wal wal} |
|
db close |
sqlite3 db test.db |
do_execsql_test walmode-8.13 { PRAGMA journal_mode = WAL } {wal} |
do_execsql_test walmode-8.14 { ATTACH 'test.db2' AS two } {} |
do_execsql_test walmode-8.15 { PRAGMA main.journal_mode } {wal} |
do_execsql_test walmode-8.16 { PRAGMA two.journal_mode } {wal} |
do_execsql_test walmode-8.17 { INSERT INTO two.t2 DEFAULT VALUES } {} |
do_execsql_test walmode-8.18 { PRAGMA two.journal_mode } {wal} |
|
sqlite3 db2 test.db2 |
do_test walmode-8.19 { execsql { PRAGMA main.journal_mode } db2 } {wal} |
db2 close |
|
do_execsql_test walmode-8.20 { PRAGMA journal_mode = DELETE } {delete} |
do_execsql_test walmode-8.21 { PRAGMA main.journal_mode } {delete} |
do_execsql_test walmode-8.22 { PRAGMA two.journal_mode } {delete} |
do_execsql_test walmode-8.21 { PRAGMA journal_mode = WAL } {wal} |
do_execsql_test walmode-8.21 { PRAGMA main.journal_mode } {wal} |
do_execsql_test walmode-8.22 { PRAGMA two.journal_mode } {wal} |
|
finish_test |