database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-07-30 19:03:16 +03:00
Code Activity

Add locks to the in-memory backend so that recursive writes will be detected

Browse Source 
and rejected.  Ticket #436. (CVS 1089)

FossilOrigin-Name: 3403d28a49b27d3059d3d399ca057e8d33eb857a
This commit is contained in:
drh
2003-08-27 22:54:31 +00:00
parent 0d4f801c28
commit e4c616931d
3 changed files with 59 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
test/misc2.test
View File

@ -13,7 +13,7 @@
# This file implements tests for miscellanous features that were
# left out of other test files.
#
# $Id: misc2.test,v 1.7 2003/08/26 11:25:58 drh Exp $
# $Id: misc2.test,v 1.8 2003/08/27 22:54:32 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -128,3 +128,54 @@ do_test misc2-6.1 {
SELECT * FROM t1;
}
} {1 2}
# Make sure we get an error message (not a segfault) on an attempt to
# update a table from within the callback of a select on that same
# table.
#
do_test misc2-7.1 {
db close
file delete -force test.db
sqlite db test.db
execsql {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(1);
}
set rc [catch {
db eval {SELECT rowid FROM t1} {} {
db eval "DELETE FROM t1 WHERE rowid=$rowid"
}
} msg]
lappend rc $msg
} {1 {database table is locked}}
do_test misc2-7.2 {
set rc [catch {
db eval {SELECT rowid FROM t1} {} {
db eval "INSERT INTO t1 VALUES(3)"
}
} msg]
lappend rc $msg
} {1 {database table is locked}}
do_test misc2-7.3 {
db close
file delete -force test.db
sqlite db :memory:
execsql {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(1);
}
set rc [catch {
db eval {SELECT rowid FROM t1} {} {
db eval "DELETE FROM t1 WHERE rowid=$rowid"
}
} msg]
lappend rc $msg
} {1 {database table is locked}}
do_test misc2-7.4 {
set rc [catch {
db eval {SELECT rowid FROM t1} {} {
db eval "INSERT INTO t1 VALUES(3)"
}
} msg]
lappend rc $msg
} {1 {database table is locked}}