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sqlite/test/wal2rewrite.test
dan bfcf8d6d67 Fix a bug in recovering wal2 mode databases introduced by the previous commit.
FossilOrigin-Name: 9e1502e1b650217efc361732a3dfe686caa2e6352d040c73865f1faf09bf4591
2017-10-06 14:08:39 +00:00

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# 2017 September 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=WAL2" mode.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
source $testdir/malloc_common.tcl
source $testdir/wal_common.tcl
set testprefix wal2rewrite
ifcapable !wal {finish_test ; return }
proc filesize {filename} {
if {[file exists $filename]} {
return [file size $filename]
}
return 0
}
foreach {tn jrnlmode} {
1 wal
2 wal2
} {
reset_db
execsql "PRAGMA journal_mode = $jrnlmode"
do_execsql_test $tn.1 {
PRAGMA journal_size_limit = 10000;
PRAGMA cache_size = 5;
PRAGMA wal_autocheckpoint = 10;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b INTEGER, c BLOB);
CREATE INDEX t1b ON t1(b);
CREATE INDEX t1c ON t1(c);
WITH s(i) AS (
SELECT 1 UNION SELECT i+1 FROM s WHERE i<10
)
INSERT INTO t1 SELECT i, i, randomblob(800) FROM s;
} {10000 10}
for {set i 0} {$i < 4} {incr i} {
do_execsql_test $tn.$i.1 {
UPDATE t1 SET c=randomblob(800) WHERE (b%10)==5 AND ($i%2)
}
do_execsql_test $tn.$i.2 {
BEGIN;
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
UPDATE t1 SET b=b+10, c=randomblob(800);
}
execsql COMMIT
do_test $tn.$i.3 { expr [filesize test.db-wal] < 100000 } 1
do_test $tn.$i.4 { expr [filesize test.db-wal2] < 100000 } 1
set sum [db eval {SELECT sum(b), md5sum(c) FROM t1}]
do_test $tn.$i.5 {
foreach f [glob -nocomplain test.db2*] {forcedelete $f}
foreach f [glob -nocomplain test.db*] {
forcecopy $f [string map {test.db test.db2} $f]
}
sqlite3 db2 test.db2
db2 eval {SELECT sum(b), md5sum(c) FROM t1}
} $sum
db2 close
}
}
finish_test