3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library.
13 # This file implements tests for joins, including outer joins.
15 # $Id: join.test,v 1.27 2009/07/01 16:12:08 danielk1977 Exp $
17 set testdir [file dirname $argv0]
18 source $testdir/tester.tcl
22 CREATE TABLE t1(a,b,c);
23 INSERT INTO t1 VALUES(1,2,3);
24 INSERT INTO t1 VALUES(2,3,4);
25 INSERT INTO t1 VALUES(3,4,5);
31 CREATE TABLE t2(b,c,d);
32 INSERT INTO t2 VALUES(1,2,3);
33 INSERT INTO t2 VALUES(2,3,4);
34 INSERT INTO t2 VALUES(3,4,5);
41 SELECT * FROM t1 NATURAL JOIN t2;
43 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
46 SELECT * FROM t2 NATURAL JOIN t1;
48 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
51 SELECT * FROM t2 AS x NATURAL JOIN t1;
53 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
56 SELECT * FROM t2 NATURAL JOIN t1 AS y;
58 } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
61 SELECT b FROM t1 NATURAL JOIN t2;
68 SELECT t2.* FROM t2 NATURAL JOIN t1
70 } {b 2 c 3 d 4 b 3 c 4 d 5}
73 SELECT xyzzy.* FROM t2 AS xyzzy NATURAL JOIN t1
75 } {b 2 c 3 d 4 b 3 c 4 d 5}
78 SELECT t1.* FROM t2 NATURAL JOIN t1
80 } {a 1 b 2 c 3 a 2 b 3 c 4}
83 SELECT xyzzy.* FROM t2 NATURAL JOIN t1 AS xyzzy
85 } {a 1 b 2 c 3 a 2 b 3 c 4}
88 SELECT aaa.*, bbb.* FROM t2 AS aaa NATURAL JOIN t1 AS bbb
90 } {b 2 c 3 d 4 a 1 b 2 c 3 b 3 c 4 d 5 a 2 b 3 c 4}
93 SELECT t1.*, t2.* FROM t2 NATURAL JOIN t1
95 } {a 1 b 2 c 3 b 2 c 3 d 4 a 2 b 3 c 4 b 3 c 4 d 5}
100 SELECT * FROM t1 INNER JOIN t2 USING(b,c);
102 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
105 SELECT * FROM t1 AS x INNER JOIN t2 USING(b,c);
107 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
110 SELECT * FROM t1 INNER JOIN t2 AS y USING(b,c);
112 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
115 SELECT * FROM t1 AS x INNER JOIN t2 AS y USING(b,c);
117 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
120 SELECT b FROM t1 JOIN t2 USING(b);
127 SELECT t1.* FROM t1 JOIN t2 USING(b);
129 } {a 1 b 2 c 3 a 2 b 3 c 4}
132 SELECT t2.* FROM t1 JOIN t2 USING(b);
134 } {b 2 c 3 d 4 b 3 c 4 d 5}
138 SELECT * FROM t1 INNER JOIN t2 USING(b);
140 } {a 1 b 2 c 3 c 3 d 4 a 2 b 3 c 4 c 4 d 5}
143 SELECT * FROM t1 INNER JOIN t2 USING(c);
145 } {a 1 b 2 c 3 b 2 d 4 a 2 b 3 c 4 b 3 d 5}
148 SELECT * FROM t1 INNER JOIN t2 USING(c,b);
150 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
154 SELECT * FROM t1 NATURAL CROSS JOIN t2;
159 SELECT * FROM t1 CROSS JOIN t2 USING(b,c);
164 SELECT * FROM t1 NATURAL INNER JOIN t2;
169 SELECT * FROM t1 INNER JOIN t2 USING(b,c);
174 SELECT * FROM t1 natural inner join t2;
181 SELECT * FROM t1 NATURAL JOIN
182 (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as t3
184 } {a 1 b 2 c 3 d 4 e 5}
187 SELECT * FROM (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as 'tx'
190 } {c 3 d 4 e 5 a 1 b 2}
195 CREATE TABLE t3(c,d,e);
196 INSERT INTO t3 VALUES(2,3,4);
197 INSERT INTO t3 VALUES(3,4,5);
198 INSERT INTO t3 VALUES(4,5,6);
201 } {2 3 4 3 4 5 4 5 6}
204 SELECT * FROM t1 natural join t2 natural join t3;
206 } {1 2 3 4 5 2 3 4 5 6}
209 SELECT * FROM t1 natural join t2 natural join t3;
211 } {a 1 b 2 c 3 d 4 e 5 a 2 b 3 c 4 d 5 e 6}
214 CREATE TABLE t4(d,e,f);
215 INSERT INTO t4 VALUES(2,3,4);
216 INSERT INTO t4 VALUES(3,4,5);
217 INSERT INTO t4 VALUES(4,5,6);
220 } {2 3 4 3 4 5 4 5 6}
221 do_test join-1.19.1 {
223 SELECT * FROM t1 natural join t2 natural join t4;
226 do_test join-1.19.2 {
228 SELECT * FROM t1 natural join t2 natural join t4;
230 } {a 1 b 2 c 3 d 4 e 5 f 6}
233 SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1
239 SELECT * FROM t1 NATURAL LEFT JOIN t2;
241 } {1 2 3 4 2 3 4 5 3 4 5 {}}
246 SELECT * FROM t1 NATURAL LEFT JOIN t2;
248 } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5 a 3 b 4 c 5 d {}}
251 SELECT t1.* FROM t1 NATURAL LEFT JOIN t2;
253 } {a 1 b 2 c 3 a 2 b 3 c 4 a 3 b 4 c 5}
256 SELECT t2.* FROM t1 NATURAL LEFT JOIN t2;
258 } {b 2 c 3 d 4 b 3 c 4 d 5 b {} c {} d {}}
262 SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1;
264 } {1 2 3 {} 2 3 4 1 3 4 5 2}
267 SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2;
269 } {1 {RIGHT and FULL OUTER JOINs are not currently supported}}
272 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d
274 } {1 2 3 {} {} {} 2 3 4 {} {} {} 3 4 5 1 2 3}
277 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t1.a>1
279 } {2 3 4 {} {} {} 3 4 5 1 2 3}
282 SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t2.b IS NULL OR t2.b>1
284 } {1 2 3 {} {} {} 2 3 4 {} {} {}}
288 SELECT * FROM t1 NATURAL JOIN t2 ON t1.a=t2.b;
290 } {1 {a NATURAL join may not have an ON or USING clause}}
293 SELECT * FROM t1 NATURAL JOIN t2 USING(b);
295 } {1 {a NATURAL join may not have an ON or USING clause}}
298 SELECT * FROM t1 JOIN t2 ON t1.a=t2.b USING(b);
300 } {1 {cannot have both ON and USING clauses in the same join}}
303 SELECT * FROM t1 JOIN t2 USING(a);
305 } {1 {cannot join using column a - column not present in both tables}}
308 SELECT * FROM t1 JOIN t2 USING(d);
310 } {1 {cannot join using column d - column not present in both tables}}
312 catchsql { SELECT * FROM t1 USING(a) }
313 } {1 {a JOIN clause is required before USING}}
316 SELECT * FROM t1 JOIN t2 ON t3.a=t2.b;
318 } {1 {no such column: t3.a}}
321 SELECT * FROM t1 INNER OUTER JOIN t2;
323 } {1 {unknown or unsupported join type: INNER OUTER}}
326 SELECT * FROM t1 INNER OUTER CROSS JOIN t2;
328 } {1 {unknown or unsupported join type: INNER OUTER CROSS}}
331 SELECT * FROM t1 OUTER NATURAL INNER JOIN t2;
333 } {1 {unknown or unsupported join type: OUTER NATURAL INNER}}
336 SELECT * FROM t1 LEFT BOGUS JOIN t2;
338 } {1 {unknown or unsupported join type: LEFT BOGUS}}
341 SELECT * FROM t1 INNER BOGUS CROSS JOIN t2;
343 } {1 {unknown or unsupported join type: INNER BOGUS CROSS}}
346 SELECT * FROM t1 NATURAL AWK SED JOIN t2;
348 } {1 {unknown or unsupported join type: NATURAL AWK SED}}
353 CREATE TABLE t5(a INTEGER PRIMARY KEY);
354 CREATE TABLE t6(a INTEGER);
355 INSERT INTO t6 VALUES(NULL);
356 INSERT INTO t6 VALUES(NULL);
357 INSERT INTO t6 SELECT * FROM t6;
358 INSERT INTO t6 SELECT * FROM t6;
359 INSERT INTO t6 SELECT * FROM t6;
360 INSERT INTO t6 SELECT * FROM t6;
361 INSERT INTO t6 SELECT * FROM t6;
362 INSERT INTO t6 SELECT * FROM t6;
366 SELECT * FROM t6 NATURAL JOIN t5;
371 SELECT * FROM t6, t5 WHERE t6.a<t5.a;
376 SELECT * FROM t6, t5 WHERE t6.a>t5.a;
381 UPDATE t6 SET a='xyz';
382 SELECT * FROM t6 NATURAL JOIN t5;
387 SELECT * FROM t6, t5 WHERE t6.a<t5.a;
392 SELECT * FROM t6, t5 WHERE t6.a>t5.a;
398 SELECT * FROM t6 NATURAL JOIN t5;
403 SELECT * FROM t6, t5 WHERE t6.a<t5.a;
408 SELECT * FROM t6, t5 WHERE t6.a>t5.a;
415 create table centros (id integer primary key, centro);
416 INSERT INTO centros VALUES(1,'xxx');
417 create table usuarios (id integer primary key, nombre, apellidos,
419 INSERT INTO usuarios VALUES(1,'a','aa',1);
420 INSERT INTO usuarios VALUES(2,'b','bb',1);
421 INSERT INTO usuarios VALUES(3,'c','cc',NULL);
422 create index idcentro on usuarios (idcentro);
424 select usuarios.id, usuarios.nombre, centros.centro from
425 usuarios left outer join centros on usuarios.idcentro = centros.id;
427 } {1 a xxx 2 b xxx 3 c {}}
429 # A test for ticket #247.
433 CREATE TABLE t7 (x, y);
434 INSERT INTO t7 VALUES ("pa1", 1);
435 INSERT INTO t7 VALUES ("pa2", NULL);
436 INSERT INTO t7 VALUES ("pa3", NULL);
437 INSERT INTO t7 VALUES ("pa4", 2);
438 INSERT INTO t7 VALUES ("pa30", 131);
439 INSERT INTO t7 VALUES ("pa31", 130);
440 INSERT INTO t7 VALUES ("pa28", NULL);
442 CREATE TABLE t8 (a integer primary key, b);
443 INSERT INTO t8 VALUES (1, "pa1");
444 INSERT INTO t8 VALUES (2, "pa4");
445 INSERT INTO t8 VALUES (3, NULL);
446 INSERT INTO t8 VALUES (4, NULL);
447 INSERT INTO t8 VALUES (130, "pa31");
448 INSERT INTO t8 VALUES (131, "pa30");
450 SELECT coalesce(t8.a,999) from t7 LEFT JOIN t8 on y=a;
452 } {1 999 999 2 131 130 999}
454 # Make sure a left join where the right table is really a view that
455 # is itself a join works right. Ticket #306.
461 CREATE TABLE t9(a INTEGER PRIMARY KEY, b);
462 INSERT INTO t9 VALUES(1,11);
463 INSERT INTO t9 VALUES(2,22);
464 CREATE TABLE t10(x INTEGER PRIMARY KEY, y);
465 INSERT INTO t10 VALUES(1,2);
466 INSERT INTO t10 VALUES(3,3);
467 CREATE TABLE t11(p INTEGER PRIMARY KEY, q);
468 INSERT INTO t11 VALUES(2,111);
469 INSERT INTO t11 VALUES(3,333);
470 CREATE VIEW v10_11 AS SELECT x, q FROM t10, t11 WHERE t10.y=t11.p;
472 SELECT * FROM t9 LEFT JOIN v10_11 ON( a=x );
474 } {1 11 1 111 2 22 {} {}}
478 SELECT * FROM t9 LEFT JOIN (SELECT x, q FROM t10, t11 WHERE t10.y=t11.p)
481 } {1 11 1 111 2 22 {} {}}
485 SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x );
487 } {1 111 1 11 3 333 {} {}}
489 # Constant expressions in a subquery that is the right element of a
490 # LEFT JOIN evaluate to NULL for rows where the LEFT JOIN does not
491 # match. Ticket #3300
494 SELECT * FROM t9 LEFT JOIN (SELECT 44, p, q FROM t11) AS sub1 ON p=a
496 } {1 11 {} {} {} 2 22 44 2 111}
500 # Ticket #350 describes a scenario where LEFT OUTER JOIN does not
501 # function correctly if the right table in the join is really
504 # To test the problem, we generate the same LEFT OUTER JOIN in two
505 # separate selects but with on using a subquery and the other calling
506 # the table directly. Then connect the two SELECTs using an EXCEPT.
507 # Both queries should generate the same results so the answer should
514 CREATE TABLE t12(a,b);
515 INSERT INTO t12 VALUES(1,11);
516 INSERT INTO t12 VALUES(2,22);
517 CREATE TABLE t13(b,c);
518 INSERT INTO t13 VALUES(22,222);
526 SELECT * FROM t12 NATURAL LEFT JOIN t13
528 SELECT * FROM t12 NATURAL LEFT JOIN (SELECT * FROM t13 WHERE b>0);
535 CREATE VIEW v13 AS SELECT * FROM t13 WHERE b>0;
536 SELECT * FROM t12 NATURAL LEFT JOIN t13
538 SELECT * FROM t12 NATURAL LEFT JOIN v13;
542 } ;# ifcapable compound
545 # Ticket #1697: Left Join WHERE clause terms that contain an
546 # aggregate subquery.
550 CREATE TABLE t21(a,b,c);
551 CREATE TABLE t22(p,q);
552 CREATE INDEX i22 ON t22(q);
553 SELECT a FROM t21 LEFT JOIN t22 ON b=p WHERE q=
554 (SELECT max(m.q) FROM t22 m JOIN t21 n ON n.b=m.p WHERE n.c=1);
558 # Test a LEFT JOIN when the right-hand side of hte join is an empty
559 # sub-query. Seems fine.
563 CREATE TABLE t23(a, b, c);
564 CREATE TABLE t24(a, b, c);
565 INSERT INTO t23 VALUES(1, 2, 3);
568 SELECT * FROM t23 LEFT JOIN t24;
573 SELECT * FROM t23 LEFT JOIN (SELECT * FROM t24);
577 } ;# ifcapable subquery
579 #-------------------------------------------------------------------------
580 # The following tests are to ensure that bug b73fb0bd64 is fixed.
585 CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
586 CREATE TABLE t2(a INTEGER PRIMARY KEY, b TEXT);
587 INSERT INTO t1 VALUES(1,'abc');
588 INSERT INTO t1 VALUES(2,'def');
589 INSERT INTO t2 VALUES(1,'abc');
590 INSERT INTO t2 VALUES(2,'def');
591 SELECT * FROM t1 NATURAL JOIN t2;
596 execsql { SELECT a FROM t1 JOIN t1 USING (a)}
599 execsql { SELECT a FROM t1 JOIN t1 AS t2 USING (a)}
602 execsql { SELECT * FROM t1 NATURAL JOIN t1 AS t2}
605 execsql { SELECT * FROM t1 NATURAL JOIN t1 }
611 CREATE TABLE t1(a COLLATE nocase, b);
612 CREATE TABLE t2(a, b);
613 INSERT INTO t1 VALUES('ONE', 1);
614 INSERT INTO t1 VALUES('two', 2);
615 INSERT INTO t2 VALUES('one', 1);
616 INSERT INTO t2 VALUES('two', 2);
620 execsql { SELECT * FROM t1 NATURAL JOIN t2 }
623 execsql { SELECT * FROM t2 NATURAL JOIN t1 }
629 CREATE TABLE t1(a, b TEXT);
630 CREATE TABLE t2(b INTEGER, a);
631 INSERT INTO t1 VALUES('one', '1.0');
632 INSERT INTO t1 VALUES('two', '2');
633 INSERT INTO t2 VALUES(1, 'one');
634 INSERT INTO t2 VALUES(2, 'two');
638 execsql { SELECT * FROM t1 NATURAL JOIN t2 }
641 execsql { SELECT * FROM t2 NATURAL JOIN t1 }