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      1 # 2008 September 1
      2 #
      3 # The author disclaims copyright to this source code.  In place of
      4 # a legal notice, here is a blessing:
      5 #
      6 #    May you do good and not evil.
      7 #    May you find forgiveness for yourself and forgive others.
      8 #    May you share freely, never taking more than you give.
      9 #
     10 #***********************************************************************
     11 #
     12 # This file implements regression tests for SQLite library.  The
     13 # focus of this file is testing the fix for ticket #3357.
     14 #
     15 # $Id: tkt3357.test,v 1.2 2009/06/05 17:09:12 drh Exp $
     16 
     17 set testdir [file dirname $argv0]
     18 source $testdir/tester.tcl
     19 
     20 do_test tkt3357-1.1 {
     21   execsql {
     22     create table a(id integer primary key, b_id integer, myvalue varchar);
     23     create table b(id integer primary key, bvalue varchar);
     24     insert into a(b_id, myvalue) values(1,'Test');
     25     insert into a(b_id, myvalue) values(1,'Test2');
     26     insert into a(b_id, myvalue) values(1,'Test3');
     27     insert into b(bvalue) values('btest');
     28   }
     29 } {}
     30 
     31 do_test tkt3357-1.2 {
     32   execsql {
     33     SELECT cc.id, cc.b_id, cc.myvalue, dd.bvalue 
     34     FROM (
     35       SELECT DISTINCT a.id, a.b_id, a.myvalue FROM a
     36       INNER JOIN b ON a.b_id = b.id WHERE b.bvalue = 'btest'
     37     ) cc
     38     LEFT OUTER JOIN b dd ON cc.b_id = dd.id
     39   }
     40 } {1 1 Test btest 2 1 Test2 btest 3 1 Test3 btest}
     41 
     42 do_test tkt3357-1.3 {
     43   execsql {
     44     SELECT cc.id, cc.b_id, cc.myvalue
     45     FROM (
     46       SELECT a.id, a.b_id, a.myvalue 
     47       FROM a, b WHERE a.b_id = b.id
     48     ) cc
     49     LEFT OUTER JOIN b dd ON cc.b_id = dd.id
     50   }
     51 } {1 1 Test 2 1 Test2 3 1 Test3}
     52 
     53 do_test tkt3357-1.4 {
     54   execsql {
     55     SELECT cc.id, cc.b_id, cc.myvalue
     56     FROM (
     57       SELECT DISTINCT a.id, a.b_id, a.myvalue 
     58       FROM a, b WHERE a.b_id = b.id
     59     ) cc
     60     LEFT OUTER JOIN b dd ON cc.b_id = dd.id
     61   }
     62 } {1 1 Test 2 1 Test2 3 1 Test3}
     63 
     64 finish_test
     65