sl@0: # 2002 May 24
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.
sl@0: #
sl@0: # This file implements tests for left outer joins containing WHERE
sl@0: # clauses that restrict the scope of the left term of the join.
sl@0: #
sl@0: # $Id: join4.test,v 1.4 2005/03/29 03:11:00 danielk1977 Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: ifcapable tempdb {
sl@0:   do_test join4-1.1 {
sl@0:     execsql {
sl@0:       create temp table t1(a integer, b varchar(10));
sl@0:       insert into t1 values(1,'one');
sl@0:       insert into t1 values(2,'two');
sl@0:       insert into t1 values(3,'three');
sl@0:       insert into t1 values(4,'four');
sl@0:   
sl@0:       create temp table t2(x integer, y varchar(10), z varchar(10));
sl@0:       insert into t2 values(2,'niban','ok');
sl@0:       insert into t2 values(4,'yonban','err');
sl@0:     }
sl@0:     execsql {
sl@0:       select * from t1 left outer join t2 on t1.a=t2.x where t2.z='ok'
sl@0:     }
sl@0:   } {2 two 2 niban ok}
sl@0: } else {
sl@0:   do_test join4-1.1 {
sl@0:     execsql {
sl@0:       create table t1(a integer, b varchar(10));
sl@0:       insert into t1 values(1,'one');
sl@0:       insert into t1 values(2,'two');
sl@0:       insert into t1 values(3,'three');
sl@0:       insert into t1 values(4,'four');
sl@0:   
sl@0:       create table t2(x integer, y varchar(10), z varchar(10));
sl@0:       insert into t2 values(2,'niban','ok');
sl@0:       insert into t2 values(4,'yonban','err');
sl@0:     }
sl@0:     execsql {
sl@0:       select * from t1 left outer join t2 on t1.a=t2.x where t2.z='ok'
sl@0:     }
sl@0:   } {2 two 2 niban ok}
sl@0: }
sl@0: do_test join4-1.2 {
sl@0:   execsql {
sl@0:     select * from t1 left outer join t2 on t1.a=t2.x and t2.z='ok'
sl@0:   }
sl@0: } {1 one {} {} {} 2 two 2 niban ok 3 three {} {} {} 4 four {} {} {}}
sl@0: do_test join4-1.3 {
sl@0:   execsql {
sl@0:     create index i2 on t2(z);
sl@0:   }
sl@0:   execsql {
sl@0:     select * from t1 left outer join t2 on t1.a=t2.x where t2.z='ok'
sl@0:   }
sl@0: } {2 two 2 niban ok}
sl@0: do_test join4-1.4 {
sl@0:   execsql {
sl@0:     select * from t1 left outer join t2 on t1.a=t2.x and t2.z='ok'
sl@0:   }
sl@0: } {1 one {} {} {} 2 two 2 niban ok 3 three {} {} {} 4 four {} {} {}}
sl@0: do_test join4-1.5 {
sl@0:   execsql {
sl@0:     select * from t1 left outer join t2 on t1.a=t2.x where t2.z>='ok'
sl@0:   }
sl@0: } {2 two 2 niban ok}
sl@0: do_test join4-1.4 {
sl@0:   execsql {
sl@0:     select * from t1 left outer join t2 on t1.a=t2.x and t2.z>='ok'
sl@0:   }
sl@0: } {1 one {} {} {} 2 two 2 niban ok 3 three {} {} {} 4 four {} {} {}}
sl@0: ifcapable subquery {
sl@0:   do_test join4-1.6 {
sl@0:     execsql {
sl@0:       select * from t1 left outer join t2 on t1.a=t2.x where t2.z IN ('ok')
sl@0:     }
sl@0:   } {2 two 2 niban ok}
sl@0:   do_test join4-1.7 {
sl@0:     execsql {
sl@0:       select * from t1 left outer join t2 on t1.a=t2.x and t2.z IN ('ok')
sl@0:     }
sl@0:   } {1 one {} {} {} 2 two 2 niban ok 3 three {} {} {} 4 four {} {} {}}
sl@0: }
sl@0: 
sl@0: 
sl@0: finish_test