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Fix bugs in WAL mode rollback.

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FossilOrigin-Name: 31215969f59be536fe87431bb9fbfa7d13027e35
This commit is contained in:
dan
2010-04-24 18:44:05 +00:00
parent 9de7943783
commit 74d6cd887f
6 changed files with 141 additions and 26 deletions
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55
test/wal.test
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@ -139,6 +139,10 @@ do_test wal-3.3 {
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14}
db2 close
#-------------------------------------------------------------------------
# The following tests, wal-4.*, test that savepoints work with WAL
# databases.
#
do_test wal-4.1 {
execsql {
DELETE FROM t1;
@ -162,6 +166,57 @@ do_test wal-4.3 {
}
} {a b}
do_test wal-4.4 {
db close
sqlite3 db test.db
db func blob blob
list [execsql { SELECT * FROM t1 }] [file size test.db-wal]
} {{a b} 0}
do_test wal-4.5 {
execsql { PRAGMA cache_size = 10 }
execsql {
CREATE TABLE t2(a, b);
INSERT INTO t2 VALUES(blob(400), blob(400));
SAVEPOINT tr;
INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 2 */
INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 4 */
INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 8 */
INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 16 */
INSERT INTO t2 SELECT blob(400), blob(400) FROM t2; /* 32 */
INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 2 */
INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 4 */
INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 8 */
INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 16 */
INSERT INTO t1 SELECT blob(400), blob(400) FROM t1; /* 32 */
SELECT count(*) FROM t2;
}
} {32}
do_test wal-4.6 {
execsql { ROLLBACK TO tr }
} {}
do_test wal-4.7 {
set logsize [file size test.db-wal]
execsql {
INSERT INTO t1 VALUES('x', 'y');
RELEASE tr;
}
expr { $logsize == [file size test.db-wal] }
} {1}
do_test wal-4.8 {
execsql { SELECT count(*) FROM t2 }
} {1}
do_test wal-4.9 {
file copy -force test.db test2.db
file copy -force test.db-wal test2.db-wal
sqlite3 db2 test2.db
execsql { SELECT count(*) FROM t2 ; SELECT count(*) FROM t1 } db2
} {1 2}
do_test wal-4.10 {
execsql { PRAGMA integrity_check } db2
} {ok}
db2 close
reopen_db
do_test wal-5.1 {
execsql {
CREATE TEMP TABLE t2(a, b);