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# 2008 October 6
#
# 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 file is testing fault-injection with the
# LIMIT ... OFFSET ... clause of UPDATE and DELETE statements.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set testprefix wherelfault
ifcapable !update_delete_limit {
finish_test
return
}
do_execsql_test 1.0 {
CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES(1, 'f');
INSERT INTO t1 VALUES(2, 'e');
INSERT INTO t1 VALUES(3, 'd');
INSERT INTO t1 VALUES(4, 'c');
INSERT INTO t1 VALUES(5, 'b');
INSERT INTO t1 VALUES(6, 'a');
CREATE VIEW v1 AS SELECT a,b FROM t1;
CREATE TABLE log(op, a);
CREATE TRIGGER v1del INSTEAD OF DELETE ON v1 BEGIN
INSERT INTO log VALUES('delete', old.a);
END;
CREATE TRIGGER v1upd INSTEAD OF UPDATE ON v1 BEGIN
INSERT INTO log VALUES('update', old.a);
END;
}
faultsim_save_and_close
do_faultsim_test 1.1 -prep {
faultsim_restore_and_reopen
db eval {SELECT * FROM sqlite_master}
} -body {
execsql { DELETE FROM v1 ORDER BY a LIMIT 3; }
} -test {
faultsim_test_result {0 {}}
}
do_faultsim_test 1.2 -prep {
faultsim_restore_and_reopen
db eval {SELECT * FROM sqlite_master}
} -body {
execsql { UPDATE v1 SET b = 555 ORDER BY a LIMIT 3 }
} -test {
faultsim_test_result {0 {}}
}
#-------------------------------------------------------------------------
sqlite3 db test.db
do_execsql_test 2.1.0 {
CREATE TABLE t2(a, b, c, PRIMARY KEY(a, b)) WITHOUT ROWID;
}
faultsim_save_and_close
do_faultsim_test 2.1 -prep {
faultsim_restore_and_reopen
db eval {SELECT * FROM sqlite_master}
} -body {
execsql { DELETE FROM t2 WHERE c=? ORDER BY a DESC LIMIT 10 }
} -test {
faultsim_test_result {0 {}}
}
finish_test
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