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Fix a problem with writing to databases larger than 2^32 bytes with WAL mode.

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FossilOrigin-Name: b956ddca75d64ba662fa0b03b643822d836b6501
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dan
2010-07-07 09:48:44 +00:00
parent 4d9a7bf990
commit bd0e9070e5
5 changed files with 90 additions and 25 deletions
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2
test/permutations.test
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@@ -165,7 +165,7 @@ test_suite "coverage-wal" -description {
} -files {
wal.test wal2.test wal3.test walmode.test
walbak.test walhook.test walcrash2.test walcksum.test
walfault.test
walfault.test walbig.test
}
test_suite "coverage-pager" -description {

73
test/walbig.test Normal file
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@@ -0,0 +1,73 @@
# 2010 July 07
#
# 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 in WAL mode.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Do not use a codec for this file, as the database is manipulated using
# external methods (the [fake_big_file] and [hexio_write] commands).
#
do_not_use_codec
# If SQLITE_DISABLE_LFS is defined, omit this file.
ifcapable !lfs {
finish_test
return
}
set a_string_counter 1
proc a_string {n} {
incr ::a_string_counter
string range [string repeat "${::a_string_counter}." $n] 1 $n
}
db func a_string a_string
do_test walbig-1.0 {
execsql {
PRAGMA journal_mode = WAL;
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
INSERT INTO t1 VALUES(a_string(300), a_string(500));
INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
}
} {wal}
db close
if {[catch {fake_big_file 5000 [pwd]/test.db}]} {
puts "**** Unable to create a file larger than 5000 MB. *****"
finish_test
return
}
hexio_write test.db 28 00000000
sqlite3 db test.db
db func a_string a_string
do_test walbig-1.1 {
execsql { INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1 }
} {}
db close
sqlite3 db test.db
do_test walbig-1.2 {
execsql { SELECT a FROM t1 ORDER BY a }
} [lsort [execsql { SELECT a FROM t1 ORDER BY rowid }]]
do_test walbig-1.3 {
execsql { SELECT b FROM t1 ORDER BY b }
} [lsort [execsql { SELECT b FROM t1 ORDER BY rowid }]]
finish_test