# 2002 May 24## 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 for left outer joins containing WHERE# clauses that restrict the scope of the left term of the join.## $Id: join4.test,v 1.4 2005/03/29 03:11:00 danielk1977 Exp $set testdir [file dirname $argv0]source $testdir/tester.tclifcapable tempdb {  do_test join4-1.1 {    execsql {      create temp table t1(a integer, b varchar(10));      insert into t1 values(1,'one');      insert into t1 values(2,'two');      insert into t1 values(3,'three');      insert into t1 values(4,'four');        create temp table t2(x integer, y varchar(10), z varchar(10));      insert into t2 values(2,'niban','ok');      insert into t2 values(4,'yonban','err');    }    execsql {      select * from t1 left outer join t2 on t1.a=t2.x where t2.z='ok'    }  } {2 two 2 niban ok}} else {  do_test join4-1.1 {    execsql {      create table t1(a integer, b varchar(10));      insert into t1 values(1,'one');      insert into t1 values(2,'two');      insert into t1 values(3,'three');      insert into t1 values(4,'four');        create table t2(x integer, y varchar(10), z varchar(10));      insert into t2 values(2,'niban','ok');      insert into t2 values(4,'yonban','err');    }    execsql {      select * from t1 left outer join t2 on t1.a=t2.x where t2.z='ok'    }  } {2 two 2 niban ok}}do_test join4-1.2 {  execsql {    select * from t1 left outer join t2 on t1.a=t2.x and t2.z='ok'  }} {1 one {} {} {} 2 two 2 niban ok 3 three {} {} {} 4 four {} {} {}}do_test join4-1.3 {  execsql {    create index i2 on t2(z);  }  execsql {    select * from t1 left outer join t2 on t1.a=t2.x where t2.z='ok'  }} {2 two 2 niban ok}do_test join4-1.4 {  execsql {    select * from t1 left outer join t2 on t1.a=t2.x and t2.z='ok'  }} {1 one {} {} {} 2 two 2 niban ok 3 three {} {} {} 4 four {} {} {}}do_test join4-1.5 {  execsql {    select * from t1 left outer join t2 on t1.a=t2.x where t2.z>='ok'  }} {2 two 2 niban ok}do_test join4-1.4 {  execsql {    select * from t1 left outer join t2 on t1.a=t2.x and t2.z>='ok'  }} {1 one {} {} {} 2 two 2 niban ok 3 three {} {} {} 4 four {} {} {}}ifcapable subquery {  do_test join4-1.6 {    execsql {      select * from t1 left outer join t2 on t1.a=t2.x where t2.z IN ('ok')    }  } {2 two 2 niban ok}  do_test join4-1.7 {    execsql {      select * from t1 left outer join t2 on t1.a=t2.x and t2.z IN ('ok')    }  } {1 one {} {} {} 2 two 2 niban ok 3 three {} {} {} 4 four {} {} {}}}finish_test