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Do not attempt to open a WAL file for an in-memory or temporary database. Even if the database header suggests that it is a WAL database.

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FossilOrigin-Name: 0fd809243652256d83ddcb58cf4890080654c667
This commit is contained in:
dan
2010-07-03 08:01:24 +00:00
parent 2411dea3ca
commit fce218c5ad
3 changed files with 102 additions and 8 deletions
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94
test/walbak.test
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@ -16,6 +16,7 @@
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/wal_common.tcl
source $testdir/malloc_common.tcl
do_not_use_codec
@ -25,8 +26,12 @@ ifcapable !wal {finish_test ; return }
# Test organization:
#
# walback-1.*: Simple tests.
#
# walback-2.*: Test backups when the source db is modified mid-backup.
#
# walback-3.*: Backup of WAL sources into rollback destinations, and
# vice-versa.
#
# Make sure a simple backup from a WAL database works.
#
@ -181,5 +186,94 @@ do_test walbak-2.12 {
string compare [sig db] [sig db2]
} {0}
db2 close
db close
#-------------------------------------------------------------------------
# Run some backup operations to copy back and forth between WAL and:
#
# walbak-3.1.*: an in-memory database
#
# walbak-3.2.*: a temporary database
#
# walbak-3.3.*: a database in rollback mode.
#
# walbak-3.4.*: a database in rollback mode that (initially) uses a
# different page-size.
#
# Check that this does not confuse any connected clients.
#
foreach {tn setup} {
1 {
sqlite3 db test.db
sqlite3 db2 :memory:
db eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = WAL }
db2 eval { PRAGMA page_size = 1024 }
}
2 {
sqlite3 db test.db
sqlite3 db2 ""
db eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = WAL }
db2 eval { PRAGMA page_size = 1024 }
}
3 {
sqlite3 db test.db
sqlite3 db2 test.db2
db eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = WAL }
db2 eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = PERSIST }
}
4 {
sqlite3 db test.db
sqlite3 db2 test.db2
db eval { PRAGMA page_size = 1024 ; PRAGMA journal_mode = WAL }
db2 eval {
PRAGMA page_size = 2048;
PRAGMA journal_mode = PERSIST;
CREATE TABLE xx(x);
}
}
} {
foreach f [glob -nocomplain test.db*] { file delete -force $f }
eval $setup
do_test walbak-3.$tn.1 {
execsql {
CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES(1, 2);
INSERT INTO t1 VALUES(3, 4);
SELECT * FROM t1;
}
} {1 2 3 4}
do_test walbak-3.$tn.2 {
sqlite3_backup B db2 main db main
B step 10000
B finish
execsql { SELECT * FROM t1 } db2
} {1 2 3 4}
do_test walbak-3.$tn.3 {
execsql {
INSERT INTO t1 VALUES(5, 6);
INSERT INTO t1 VALUES(7, 8);
SELECT * FROM t1;
} db2
} {1 2 3 4 5 6 7 8}
do_test walbak-3.$tn.4 {
sqlite3_backup B db main db2 main
B step 10000
B finish
execsql { SELECT * FROM t1 }
} {1 2 3 4 5 6 7 8}
db close
db2 close
}
finish_test