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