rt-thread/components/external/SQLite-3.8.1/test/tkt3357.test

# 2008 September 1
#
# 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.  The
# focus of this file is testing the fix for ticket #3357.
#
# $Id: tkt3357.test,v 1.2 2009/06/05 17:09:12 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test tkt3357-1.1 {
  execsql {
    create table a(id integer primary key, b_id integer, myvalue varchar);
    create table b(id integer primary key, bvalue varchar);
    insert into a(b_id, myvalue) values(1,'Test');
    insert into a(b_id, myvalue) values(1,'Test2');
    insert into a(b_id, myvalue) values(1,'Test3');
    insert into b(bvalue) values('btest');
  }
} {}

do_test tkt3357-1.2 {
  execsql {
    SELECT cc.id, cc.b_id, cc.myvalue, dd.bvalue 
    FROM (
      SELECT DISTINCT a.id, a.b_id, a.myvalue FROM a
      INNER JOIN b ON a.b_id = b.id WHERE b.bvalue = 'btest'
    ) cc
    LEFT OUTER JOIN b dd ON cc.b_id = dd.id
  }
} {1 1 Test btest 2 1 Test2 btest 3 1 Test3 btest}

do_test tkt3357-1.3 {
  execsql {
    SELECT cc.id, cc.b_id, cc.myvalue
    FROM (
      SELECT a.id, a.b_id, a.myvalue 
      FROM a, b WHERE a.b_id = b.id
    ) cc
    LEFT OUTER JOIN b dd ON cc.b_id = dd.id
  }
} {1 1 Test 2 1 Test2 3 1 Test3}

do_test tkt3357-1.4 {
  execsql {
    SELECT cc.id, cc.b_id, cc.myvalue
    FROM (
      SELECT DISTINCT a.id, a.b_id, a.myvalue 
      FROM a, b WHERE a.b_id = b.id
    ) cc
    LEFT OUTER JOIN b dd ON cc.b_id = dd.id
  }
} {1 1 Test 2 1 Test2 3 1 Test3}

finish_test