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Overview
| Comment: | Add a test to check that a checkpointer releases its locks before returning, even if it has been prevented by a conflicting lock from checkpointing the database. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | wal |
| Files: | files | file ages | folders |
| SHA1: |
be44349d2b790fb470fcc9fb6a12e8b1 |
| User & Date: | dan 2010-04-27 18:43:17.000 |
| Original Comment: | Add a test to check that a checkpointer releases its locks before returning, even if it has been prevented by a conflicting lock from checkpointing the database. Add a test to check that a checkpointer releases its locks before returning, even if it has been prevented by a conflicting lock from checkpointing the database. |
Context
|
2010-04-27
| ||
| 18:49 | Merge two "wal" leaves. (check-in: 8c2d43babd user: dan tags: wal) | |
| 18:43 | Add a test to check that a checkpointer releases its locks before returning, even if it has been prevented by a conflicting lock from checkpointing the database. (check-in: be44349d2b user: dan tags: wal) | |
| 14:37 | Fix a problem with identifying a corrupt database in WAL mode. (check-in: c8658da446 user: dan tags: wal) | |
Changes
Changes to test/wal.test.
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} {}
do_test wal-10.$tn.33 {
execsql { SELECT * FROM t1 ; COMMIT }
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18}
do_test wal-10.$tn.34 {
execsql { SELECT * FROM t1 }
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22}
catch { db close }
catch { code2 { db2 close } }
catch { code3 { db3 close } }
catch { close $::code2_chan }
catch { close $::code3_chan }
}
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} {}
do_test wal-10.$tn.33 {
execsql { SELECT * FROM t1 ; COMMIT }
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18}
do_test wal-10.$tn.34 {
execsql { SELECT * FROM t1 }
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22}
# Test that if a checkpointer cannot obtain the required locks, it
# releases all locks before returning a busy error.
#
do_test wal-10.$tn.35 {
execsql {
DELETE FROM t1;
INSERT INTO t1 VALUES('a', 'b');
INSERT INTO t1 VALUES('c', 'd');
}
sql2 {
BEGIN;
SELECT * FROM t1;
}
} {a b c d}
proc busyhandler x { return 1 }
db busy busyhandler
do_test wal-10.$tn.36 {
catchsql { PRAGMA checkpoint }
} {1 {database is locked}}
do_test wal-10.$tn.36 {
sql3 { INSERT INTO t1 VALUES('e', 'f') }
sql2 { SELECT * FROM t1 }
} {a b c d}
do_test wal-10.$tn.37 {
sql2 COMMIT
execsql { PRAGMA checkpoint }
} {}
catch { db close }
catch { code2 { db2 close } }
catch { code3 { db3 close } }
catch { close $::code2_chan }
catch { close $::code3_chan }
}
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