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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 14:07:11 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 14:07:11 +0000
commit63847496f14c813a5d80efd5b7de0f1294ffe1e3 (patch)
tree01c7571c7c762ceee70638549a99834fdd7c411b /test/triggerE.test
parentInitial commit. (diff)
downloadsqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.tar.xz
sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.zip
Adding upstream version 3.45.1.upstream/3.45.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# 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; }
+ 10 { AFTER INSERT ON t1 BEGIN SELECT * FROM pragma_stats(?); END; }
+ 11 { BEFORE INSERT ON t1 BEGIN
+ INSERT INTO t1 SELECT max(b) OVER(ORDER BY $1) FROM t1; END }
+} {
+ catchsql {drop trigger tr1}
+ do_catchsql_test 1.1.$tn "CREATE TRIGGER tr1 $defn" [list 1 $errmsg]
+ do_catchsql_test 1.2.$tn "CREATE TEMP TRIGGER tr1 $defn" [list 1 $errmsg]
+}
+
+#-------------------------------------------------------------------------
+# Test that variable references within trigger definitions loaded from
+# the sqlite_master table are automatically converted to NULL.
+#
+sqlite3_db_config db DEFENSIVE 0
+do_execsql_test 2.1 {
+ PRAGMA writable_schema = 1;
+ INSERT INTO sqlite_master VALUES('trigger', 'tr1', 't1', 0,
+ 'CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN
+ INSERT INTO t2 VALUES(?1, ?2);
+ END'
+ );
+
+ INSERT INTO sqlite_master VALUES('trigger', 'tr2', 't3', 0,
+ 'CREATE TRIGGER tr2 AFTER INSERT ON t3 WHEN ?1 IS NULL BEGIN
+ UPDATE t2 SET c=d WHERE c IS ?2;
+ END'
+ );
+}
+db close
+sqlite3 db test.db
+
+do_execsql_test 2.2.1 {
+ INSERT INTO t1 VALUES(1, 2);
+ SELECT * FROM t2;
+} {{} {}}
+do_test 2.2.2 {
+ set one 3
+ execsql {
+ DELETE FROM t2;
+ INSERT INTO t1 VALUES($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