# 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.tcl
do_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