From 569c6676a6ddb0ff73821d7693b5e18ddef809b9 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Thu, 16 Oct 2014 22:51:35 -0400 Subject: Imported Upstream version 3.2.0 --- test/triggerE.test | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 test/triggerE.test (limited to 'test/triggerE.test') diff --git a/test/triggerE.test b/test/triggerE.test new file mode 100644 index 0000000..e2727bb --- /dev/null +++ b/test/triggerE.test @@ -0,0 +1,112 @@ +# 2009 December 29 +# +# 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 tests the effects of SQL variable references embedded in +# triggers. If the user attempts to create such a trigger, it is an +# error. However, if an existing trigger definition is read from +# the sqlite_master table, the variable reference always evaluates +# to NULL. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl +ifcapable {!trigger} { + finish_test + return +} +set testprefix triggerE + +do_execsql_test 1.0 { + CREATE TABLE t1(a, b); + CREATE TABLE t2(c, d); + CREATE TABLE t3(e, f); +} + +# forcedelete test.db2 +# do_execsql_test 1.1 { +# ATTACH 'test.db2' AS aux; +# CREATE TABLE aux.t4(x); +# INSERT INTO aux.t4 VALUES(5); +# +# CREATE TRIGGER tr1 AFTER INSERT ON t1 WHEN new.a IN (SELECT x FROM aux.t4) +# BEGIN +# SELECT 1; +# END; +# } +# do_execsql_test 1.2 { INSERT INTO t1 VALUES(1,1); } +# do_execsql_test 1.3 { INSERT INTO t1 VALUES(5,5); } + +#------------------------------------------------------------------------- +# Attempt to create various triggers that use bound variables. +# +set errmsg "trigger cannot use variables" +foreach {tn defn} { + 1 { AFTER INSERT ON t1 WHEN new.a = ? BEGIN SELECT 1; END; } + 2 { BEFORE DELETE ON t1 BEGIN SELECT ?; END; } + 3 { BEFORE DELETE ON t1 BEGIN SELECT * FROM (SELECT * FROM (SELECT ?)); END; } + 5 { BEFORE DELETE ON t1 BEGIN SELECT * FROM t2 GROUP BY ?; END; } + 6 { BEFORE DELETE ON t1 BEGIN SELECT * FROM t2 LIMIT ?; END; } + 7 { BEFORE DELETE ON t1 BEGIN SELECT * FROM t2 ORDER BY ?; END; } + 8 { BEFORE UPDATE ON t1 BEGIN UPDATE t2 SET c = ?; END; } + 9 { BEFORE UPDATE ON t1 BEGIN UPDATE t2 SET c = 1 WHERE d = ?; END; } +} { + catchsql {drop trigger tr1} + do_catchsql_test 1.1.$tn "CREATE TRIGGER tr1 $defn" [list 1 $errmsg] + do_catchsql_test 1.2.$tn "CREATE TEMP TRIGGER tr1 $defn" [list 1 $errmsg] +} + +#------------------------------------------------------------------------- +# Test that variable references within trigger definitions loaded from +# the sqlite_master table are automatically converted to NULL. +# +do_execsql_test 2.1 { + PRAGMA writable_schema = 1; + INSERT INTO sqlite_master VALUES('trigger', 'tr1', 't1', 0, + 'CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN + INSERT INTO t2 VALUES(?1, ?2); + END' + ); + + INSERT INTO sqlite_master VALUES('trigger', 'tr2', 't3', 0, + 'CREATE TRIGGER tr2 AFTER INSERT ON t3 WHEN ?1 IS NULL BEGIN + UPDATE t2 SET c=d WHERE c IS ?2; + END' + ); +} +db close +sqlite3 db test.db + +do_execsql_test 2.2.1 { + INSERT INTO t1 VALUES(1, 2); + SELECT * FROM t2; +} {{} {}} +do_test 2.2.2 { + set one 3 + execsql { + DELETE FROM t2; + INSERT INTO t1 VALUES($one, ?1); + SELECT * FROM t2; + } +} {{} {}} +do_execsql_test 2.2.3 { SELECT * FROM t1 } {1 2 3 3} + +do_execsql_test 2.3 { + DELETE FROM t2; + INSERT INTO t2 VALUES('x', 'y'); + INSERT INTO t2 VALUES(NULL, 'z'); + INSERT INTO t3 VALUES(1, 2); + SELECT * FROM t3; + SELECT * FROM t2; +} {1 2 x y z z} + +finish_test + + -- cgit v1.2.3