# 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