Index: third_party/sqlite/sqlite-src-3080704/test/triggerE.test |
diff --git a/third_party/sqlite/sqlite-src-3080704/test/triggerE.test b/third_party/sqlite/sqlite-src-3080704/test/triggerE.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e2727bbdcb02d75a1add08c222280e134792aec1 |
--- /dev/null |
+++ b/third_party/sqlite/sqlite-src-3080704/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 |
+ |
+ |