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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 1.1.1.1 2012/02/21 17:04:16 misho 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