# 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 1.3 2005/01/21 03:12:16 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl 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} 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