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+# 2007 January 03
+#
+# 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.
+#
+# This file implements tests to verify that ticket #2141 has been
+# fixed.
+#
+#
+# $Id: tkt2141.test,v 1.2 2007/09/12 17:01:45 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !subquery {
+ finish_test
+ return
+}
+
+do_test tkt2141-1.1 {
+ execsql {
+ CREATE TABLE tab1 (t1_id integer PRIMARY KEY, t1_desc);
+ INSERT INTO tab1 VALUES(1,'rec 1 tab 1');
+ CREATE TABLE tab2 (t2_id integer PRIMARY KEY, t2_id_t1, t2_desc);
+ INSERT INTO tab2 VALUES(1,1,'rec 1 tab 2');
+ CREATE TABLE tab3 (t3_id integer PRIMARY KEY, t3_id_t2, t3_desc);
+ INSERT INTO tab3 VALUES(1,1,'aa');
+ SELECT *
+ FROM tab1 t1 LEFT JOIN tab2 t2 ON t1.t1_id = t2.t2_id_t1
+ WHERE t2.t2_id IN
+ (SELECT t2_id FROM tab2, tab3 ON t2_id = t3_id_t2
+ WHERE t3_id IN (1,2) GROUP BY t2_id);
+ }
+} {1 {rec 1 tab 1} 1 1 {rec 1 tab 2}}
+do_test tkt2141-1.2 {
+ execsql {
+ SELECT *
+ FROM tab1 t1 LEFT JOIN tab2 t2 ON t1.t1_id = t2.t2_id_t1
+ WHERE t2.t2_id IN
+ (SELECT t2_id FROM tab2, tab3 ON t2_id = t3_id_t2
+ WHERE t3_id IN (1,2));
+ }
+} {1 {rec 1 tab 1} 1 1 {rec 1 tab 2}}
+do_test tkt2141-1.3 {
+ execsql {
+ SELECT *
+ FROM tab1 t1 LEFT JOIN tab2 t2
+ WHERE t2.t2_id IN
+ (SELECT t2_id FROM tab2, tab3 ON t2_id = t3_id_t2
+ WHERE t3_id IN (1,2));
+ }
+} {1 {rec 1 tab 1} 1 1 {rec 1 tab 2}}
+
+finish_test