#pragma ident "%Z%%M% %I% %E% SMI"
# 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: join.test,v 1.11 2003/09/27 13:39:40 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_test join-1.1 {
execsql {
CREATE TABLE t1(a,b,c);
INSERT INTO t1 VALUES(1,2,3);
INSERT INTO t1 VALUES(2,3,4);
INSERT INTO t1 VALUES(3,4,5);
SELECT * FROM t1;
}
} {1 2 3 2 3 4 3 4 5}
do_test join-1.2 {
execsql {
CREATE TABLE t2(b,c,d);
INSERT INTO t2 VALUES(1,2,3);
INSERT INTO t2 VALUES(2,3,4);
INSERT INTO t2 VALUES(3,4,5);
SELECT * FROM t2;
}
} {1 2 3 2 3 4 3 4 5}
do_test join-1.3 {
execsql2 {
SELECT * FROM t1 NATURAL JOIN t2;
}
} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.d 5}
do_test join-1.3.1 {
execsql2 {
SELECT * FROM t2 NATURAL JOIN t1;
}
} {t2.b 2 t2.c 3 t2.d 4 t1.a 1 t2.b 3 t2.c 4 t2.d 5 t1.a 2}
do_test join-1.4 {
execsql2 {
SELECT * FROM t1 INNER JOIN t2 USING(b,c);
}
} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.d 5}
do_test join-1.5 {
execsql2 {
SELECT * FROM t1 INNER JOIN t2 USING(b);
}
} {t1.a 1 t1.b 2 t1.c 3 t2.c 3 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.c 4 t2.d 5}
do_test join-1.6 {
execsql2 {
SELECT * FROM t1 INNER JOIN t2 USING(c);
}
} {t1.a 1 t1.b 2 t1.c 3 t2.b 2 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.b 3 t2.d 5}
do_test join-1.7 {
execsql2 {
SELECT * FROM t1 INNER JOIN t2 USING(c,b);
}
} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.d 5}
do_test join-1.8 {
execsql {
SELECT * FROM t1 NATURAL CROSS JOIN t2;
}
} {1 2 3 4 2 3 4 5}
do_test join-1.9 {
execsql {
SELECT * FROM t1 CROSS JOIN t2 USING(b,c);
}
} {1 2 3 4 2 3 4 5}
do_test join-1.10 {
execsql {
SELECT * FROM t1 NATURAL INNER JOIN t2;
}
} {1 2 3 4 2 3 4 5}
do_test join-1.11 {
execsql {
SELECT * FROM t1 INNER JOIN t2 USING(b,c);
}
} {1 2 3 4 2 3 4 5}
do_test join-1.12 {
execsql {
SELECT * FROM t1 natural inner join t2;
}
} {1 2 3 4 2 3 4 5}
do_test join-1.13 {
execsql2 {
SELECT * FROM t1 NATURAL JOIN
(SELECT b as 'c', c as 'd', d as 'e' FROM t2) as t3
}
} {t1.a 1 t1.b 2 t1.c 3 t3.d 4 t3.e 5}
do_test join-1.14 {
execsql2 {
SELECT * FROM (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as 'tx'
NATURAL JOIN t1
}
} {tx.c 3 tx.d 4 tx.e 5 t1.a 1 t1.b 2}
do_test join-1.15 {
execsql {
CREATE TABLE t3(c,d,e);
INSERT INTO t3 VALUES(2,3,4);
INSERT INTO t3 VALUES(3,4,5);
INSERT INTO t3 VALUES(4,5,6);
SELECT * FROM t3;
}
} {2 3 4 3 4 5 4 5 6}
do_test join-1.16 {
execsql {
SELECT * FROM t1 natural join t2 natural join t3;
}
} {1 2 3 4 5 2 3 4 5 6}
do_test join-1.17 {
execsql2 {
SELECT * FROM t1 natural join t2 natural join t3;
}
} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t3.e 5 t1.a 2 t1.b 3 t1.c 4 t2.d 5 t3.e 6}
do_test join-1.18 {
execsql {
CREATE TABLE t4(d,e,f);
INSERT INTO t4 VALUES(2,3,4);
INSERT INTO t4 VALUES(3,4,5);
INSERT INTO t4 VALUES(4,5,6);
SELECT * FROM t4;
}
} {2 3 4 3 4 5 4 5 6}
do_test join-1.19 {
execsql {
SELECT * FROM t1 natural join t2 natural join t4;
}
} {1 2 3 4 5 6}
do_test join-1.19 {
execsql2 {
SELECT * FROM t1 natural join t2 natural join t4;
}
} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t4.e 5 t4.f 6}
do_test join-1.20 {
execsql {
SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1
}
} {1 2 3 4 5}
do_test join-2.1 {
execsql {
SELECT * FROM t1 NATURAL LEFT JOIN t2;
}
} {1 2 3 4 2 3 4 5 3 4 5 {}}
do_test join-2.2 {
execsql {
SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1;
}
} {1 2 3 {} 2 3 4 1 3 4 5 2}
do_test join-2.3 {
catchsql {
SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2;
}
} {1 {RIGHT and FULL OUTER JOINs are not currently supported}}
do_test join-2.4 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d
}
} {1 2 3 {} {} {} 2 3 4 {} {} {} 3 4 5 1 2 3}
do_test join-2.5 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t1.a>1
}
} {2 3 4 {} {} {} 3 4 5 1 2 3}
do_test join-2.6 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t2.b IS NULL OR t2.b>1
}
} {1 2 3 {} {} {} 2 3 4 {} {} {}}
do_test join-3.1 {
catchsql {
SELECT * FROM t1 NATURAL JOIN t2 ON t1.a=t2.b;
}
} {1 {a NATURAL join may not have an ON or USING clause}}
do_test join-3.2 {
catchsql {
SELECT * FROM t1 NATURAL JOIN t2 USING(b);
}
} {1 {a NATURAL join may not have an ON or USING clause}}
do_test join-3.3 {
catchsql {
SELECT * FROM t1 JOIN t2 ON t1.a=t2.b USING(b);
}
} {1 {cannot have both ON and USING clauses in the same join}}
do_test join-3.4 {
catchsql {
SELECT * FROM t1 JOIN t2 USING(a);
}
} {1 {cannot join using column a - column not present in both tables}}
do_test join-3.5 {
catchsql {
SELECT * FROM t1 USING(a);
}
} {0 {1 2 3 2 3 4 3 4 5}}
do_test join-3.6 {
catchsql {
SELECT * FROM t1 JOIN t2 ON t3.a=t2.b;
}
} {1 {no such column: t3.a}}
do_test join-3.7 {
catchsql {
SELECT * FROM t1 INNER OUTER JOIN t2;
}
} {1 {unknown or unsupported join type: INNER OUTER}}
do_test join-3.7 {
catchsql {
SELECT * FROM t1 LEFT BOGUS JOIN t2;
}
} {1 {unknown or unsupported join type: LEFT BOGUS}}
do_test join-4.1 {
execsql {
BEGIN;
CREATE TABLE t5(a INTEGER PRIMARY KEY);
CREATE TABLE t6(a INTEGER);
INSERT INTO t6 VALUES(NULL);
INSERT INTO t6 VALUES(NULL);
INSERT INTO t6 SELECT * FROM t6;
INSERT INTO t6 SELECT * FROM t6;
INSERT INTO t6 SELECT * FROM t6;
INSERT INTO t6 SELECT * FROM t6;
INSERT INTO t6 SELECT * FROM t6;
INSERT INTO t6 SELECT * FROM t6;
COMMIT;
}
execsql {
SELECT * FROM t6 NATURAL JOIN t5;
}
} {}
do_test join-4.2 {
execsql {
SELECT * FROM t6, t5 WHERE t6.a<t5.a;
}
} {}
do_test join-4.3 {
execsql {
SELECT * FROM t6, t5 WHERE t6.a>t5.a;
}
} {}
do_test join-4.4 {
execsql {
UPDATE t6 SET a='xyz';
SELECT * FROM t6 NATURAL JOIN t5;
}
} {}
do_test join-4.6 {
execsql {
SELECT * FROM t6, t5 WHERE t6.a<t5.a;
}
} {}
do_test join-4.7 {
execsql {
SELECT * FROM t6, t5 WHERE t6.a>t5.a;
}
} {}
do_test join-4.8 {
execsql {
UPDATE t6 SET a=1;
SELECT * FROM t6 NATURAL JOIN t5;
}
} {}
do_test join-4.9 {
execsql {
SELECT * FROM t6, t5 WHERE t6.a<t5.a;
}
} {}
do_test join-4.10 {
execsql {
SELECT * FROM t6, t5 WHERE t6.a>t5.a;
}
} {}
do_test join-5.1 {
execsql {
BEGIN;
create table centros (id integer primary key, centro);
INSERT INTO centros VALUES(1,'xxx');
create table usuarios (id integer primary key, nombre, apellidos,
idcentro integer);
INSERT INTO usuarios VALUES(1,'a','aa',1);
INSERT INTO usuarios VALUES(2,'b','bb',1);
INSERT INTO usuarios VALUES(3,'c','cc',NULL);
create index idcentro on usuarios (idcentro);
END;
select usuarios.id, usuarios.nombre, centros.centro from
usuarios left outer join centros on usuarios.idcentro = centros.id;
}
} {1 a xxx 2 b xxx 3 c {}}
# A test for ticket #247.
#
do_test join-7.1 {
execsql {
CREATE TABLE t7 (x, y);
INSERT INTO t7 VALUES ("pa1", 1);
INSERT INTO t7 VALUES ("pa2", NULL);
INSERT INTO t7 VALUES ("pa3", NULL);
INSERT INTO t7 VALUES ("pa4", 2);
INSERT INTO t7 VALUES ("pa30", 131);
INSERT INTO t7 VALUES ("pa31", 130);
INSERT INTO t7 VALUES ("pa28", NULL);
CREATE TABLE t8 (a integer primary key, b);
INSERT INTO t8 VALUES (1, "pa1");
INSERT INTO t8 VALUES (2, "pa4");
INSERT INTO t8 VALUES (3, NULL);
INSERT INTO t8 VALUES (4, NULL);
INSERT INTO t8 VALUES (130, "pa31");
INSERT INTO t8 VALUES (131, "pa30");
SELECT coalesce(t8.a,999) from t7 LEFT JOIN t8 on y=a;
}
} {1 999 999 2 131 130 999}
# Make sure a left join where the right table is really a view that
# is itself a join works right. Ticket #306.
#
do_test join-8.1 {
execsql {
BEGIN;
CREATE TABLE t9(a INTEGER PRIMARY KEY, b);
INSERT INTO t9 VALUES(1,11);
INSERT INTO t9 VALUES(2,22);
CREATE TABLE t10(x INTEGER PRIMARY KEY, y);
INSERT INTO t10 VALUES(1,2);
INSERT INTO t10 VALUES(3,3);
CREATE TABLE t11(p INTEGER PRIMARY KEY, q);
INSERT INTO t11 VALUES(2,111);
INSERT INTO t11 VALUES(3,333);
CREATE VIEW v10_11 AS SELECT x, q FROM t10, t11 WHERE t10.y=t11.p;
COMMIT;
SELECT * FROM t9 LEFT JOIN v10_11 ON( a=x );
}
} {1 11 1 111 2 22 {} {}}
do_test join-8.2 {
execsql {
SELECT * FROM t9 LEFT JOIN (SELECT x, q FROM t10, t11 WHERE t10.y=t11.p)
ON( a=x);
}
} {1 11 1 111 2 22 {} {}}
do_test join-8.3 {
execsql {
SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x );
}
} {1 111 1 11 3 333 {} {}}
# Ticket #350 describes a scenario where LEFT OUTER JOIN does not
# function correctly if the right table in the join is really
# subquery.
#
# To test the problem, we generate the same LEFT OUTER JOIN in two
# separate selects but with on using a subquery and the other calling
# the table directly. Then connect the two SELECTs using an EXCEPT.
# Both queries should generate the same results so the answer should
# be an empty set.
#
do_test join-9.1 {
execsql {
BEGIN;
CREATE TABLE t12(a,b);
INSERT INTO t12 VALUES(1,11);
INSERT INTO t12 VALUES(2,22);
CREATE TABLE t13(b,c);
INSERT INTO t13 VALUES(22,222);
COMMIT;
SELECT * FROM t12 NATURAL LEFT JOIN t13
EXCEPT
SELECT * FROM t12 NATURAL LEFT JOIN (SELECT * FROM t13 WHERE b>0);
}
} {}
do_test join-9.2 {
execsql {
CREATE VIEW v13 AS SELECT * FROM t13 WHERE b>0;
SELECT * FROM t12 NATURAL LEFT JOIN t13
EXCEPT
SELECT * FROM t12 NATURAL LEFT JOIN v13;
}
} {}
finish_test