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 joins, including outer joins.
sl@0: #
sl@0: # $Id: join2.test,v 1.2 2005/01/21 03:12:16 danielk1977 Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: do_test join2-1.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t1(a,b);
sl@0:     INSERT INTO t1 VALUES(1,11);
sl@0:     INSERT INTO t1 VALUES(2,22);
sl@0:     INSERT INTO t1 VALUES(3,33);
sl@0:     SELECT * FROM t1;
sl@0:   }  
sl@0: } {1 11 2 22 3 33}
sl@0: do_test join2-1.2 {
sl@0:   execsql {
sl@0:     CREATE TABLE t2(b,c);
sl@0:     INSERT INTO t2 VALUES(11,111);
sl@0:     INSERT INTO t2 VALUES(33,333);
sl@0:     INSERT INTO t2 VALUES(44,444);
sl@0:     SELECT * FROM t2;
sl@0:   }  
sl@0: } {11 111 33 333 44 444};
sl@0: do_test join2-1.3 {
sl@0:   execsql {
sl@0:     CREATE TABLE t3(c,d);
sl@0:     INSERT INTO t3 VALUES(111,1111);
sl@0:     INSERT INTO t3 VALUES(444,4444);
sl@0:     INSERT INTO t3 VALUES(555,5555);
sl@0:     SELECT * FROM t3;
sl@0:   }  
sl@0: } {111 1111 444 4444 555 5555}
sl@0: 
sl@0: do_test join2-1.4 {
sl@0:   execsql {
sl@0:     SELECT * FROM
sl@0:       t1 NATURAL JOIN t2 NATURAL JOIN t3
sl@0:   }
sl@0: } {1 11 111 1111}
sl@0: do_test join2-1.5 {
sl@0:   execsql {
sl@0:     SELECT * FROM
sl@0:       t1 NATURAL JOIN t2 NATURAL LEFT OUTER JOIN t3
sl@0:   }
sl@0: } {1 11 111 1111 3 33 333 {}}
sl@0: do_test join2-1.6 {
sl@0:   execsql {
sl@0:     SELECT * FROM
sl@0:       t1 NATURAL LEFT OUTER JOIN t2 NATURAL JOIN t3
sl@0:   }
sl@0: } {1 11 111 1111}
sl@0: ifcapable subquery {
sl@0:   do_test join2-1.7 {
sl@0:     execsql {
sl@0:       SELECT * FROM
sl@0:         t1 NATURAL LEFT OUTER JOIN (t2 NATURAL JOIN t3)
sl@0:     }
sl@0:   } {1 11 111 1111 2 22 {} {} 3 33 {} {}}
sl@0: }
sl@0: 
sl@0: finish_test