xref: /sqlite-3.40.0/test/join.test (revision f2fcd075)
1# 2002 May 24
2#
3# The author disclaims copyright to this source code.  In place of
4# a legal notice, here is a blessing:
5#
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.
9#
10#***********************************************************************
11# This file implements regression tests for SQLite library.
12#
13# This file implements tests for joins, including outer joins.
14#
15# $Id: join.test,v 1.27 2009/07/01 16:12:08 danielk1977 Exp $
16
17set testdir [file dirname $argv0]
18source $testdir/tester.tcl
19
20do_test join-1.1 {
21  execsql {
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);
26    SELECT * FROM t1;
27  }
28} {1 2 3 2 3 4 3 4 5}
29do_test join-1.2 {
30  execsql {
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);
35    SELECT * FROM t2;
36  }
37} {1 2 3 2 3 4 3 4 5}
38
39do_test join-1.3 {
40  execsql2 {
41    SELECT * FROM t1 NATURAL JOIN t2;
42  }
43} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
44do_test join-1.3.1 {
45  execsql2 {
46    SELECT * FROM t2 NATURAL JOIN t1;
47  }
48} {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
49do_test join-1.3.2 {
50  execsql2 {
51    SELECT * FROM t2 AS x NATURAL JOIN t1;
52  }
53} {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
54do_test join-1.3.3 {
55  execsql2 {
56    SELECT * FROM t2 NATURAL JOIN t1 AS y;
57  }
58} {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
59do_test join-1.3.4 {
60  execsql {
61    SELECT b FROM t1 NATURAL JOIN t2;
62  }
63} {2 3}
64
65# ticket #3522
66do_test join-1.3.5 {
67  execsql2 {
68    SELECT t2.* FROM t2 NATURAL JOIN t1
69  }
70} {b 2 c 3 d 4 b 3 c 4 d 5}
71do_test join-1.3.6 {
72  execsql2 {
73    SELECT xyzzy.* FROM t2 AS xyzzy NATURAL JOIN t1
74  }
75} {b 2 c 3 d 4 b 3 c 4 d 5}
76do_test join-1.3.7 {
77  execsql2 {
78    SELECT t1.* FROM t2 NATURAL JOIN t1
79  }
80} {a 1 b 2 c 3 a 2 b 3 c 4}
81do_test join-1.3.8 {
82  execsql2 {
83    SELECT xyzzy.* FROM t2 NATURAL JOIN t1 AS xyzzy
84  }
85} {a 1 b 2 c 3 a 2 b 3 c 4}
86do_test join-1.3.9 {
87  execsql2 {
88    SELECT aaa.*, bbb.* FROM t2 AS aaa NATURAL JOIN t1 AS bbb
89  }
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}
91do_test join-1.3.10 {
92  execsql2 {
93    SELECT t1.*, t2.* FROM t2 NATURAL JOIN t1
94  }
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}
96
97
98do_test join-1.4.1 {
99  execsql2 {
100    SELECT * FROM t1 INNER JOIN t2 USING(b,c);
101  }
102} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
103do_test join-1.4.2 {
104  execsql2 {
105    SELECT * FROM t1 AS x INNER JOIN t2 USING(b,c);
106  }
107} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
108do_test join-1.4.3 {
109  execsql2 {
110    SELECT * FROM t1 INNER JOIN t2 AS y USING(b,c);
111  }
112} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
113do_test join-1.4.4 {
114  execsql2 {
115    SELECT * FROM t1 AS x INNER JOIN t2 AS y USING(b,c);
116  }
117} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
118do_test join-1.4.5 {
119  execsql {
120    SELECT b FROM t1 JOIN t2 USING(b);
121  }
122} {2 3}
123
124# Ticket #3522
125do_test join-1.4.6 {
126  execsql2 {
127    SELECT t1.* FROM t1 JOIN t2 USING(b);
128  }
129} {a 1 b 2 c 3 a 2 b 3 c 4}
130do_test join-1.4.7 {
131  execsql2 {
132    SELECT t2.* FROM t1 JOIN t2 USING(b);
133  }
134} {b 2 c 3 d 4 b 3 c 4 d 5}
135
136do_test join-1.5 {
137  execsql2 {
138    SELECT * FROM t1 INNER JOIN t2 USING(b);
139  }
140} {a 1 b 2 c 3 c 3 d 4 a 2 b 3 c 4 c 4 d 5}
141do_test join-1.6 {
142  execsql2 {
143    SELECT * FROM t1 INNER JOIN t2 USING(c);
144  }
145} {a 1 b 2 c 3 b 2 d 4 a 2 b 3 c 4 b 3 d 5}
146do_test join-1.7 {
147  execsql2 {
148    SELECT * FROM t1 INNER JOIN t2 USING(c,b);
149  }
150} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
151
152do_test join-1.8 {
153  execsql {
154    SELECT * FROM t1 NATURAL CROSS JOIN t2;
155  }
156} {1 2 3 4 2 3 4 5}
157do_test join-1.9 {
158  execsql {
159    SELECT * FROM t1 CROSS JOIN t2 USING(b,c);
160  }
161} {1 2 3 4 2 3 4 5}
162do_test join-1.10 {
163  execsql {
164    SELECT * FROM t1 NATURAL INNER JOIN t2;
165  }
166} {1 2 3 4 2 3 4 5}
167do_test join-1.11 {
168  execsql {
169    SELECT * FROM t1 INNER JOIN t2 USING(b,c);
170  }
171} {1 2 3 4 2 3 4 5}
172do_test join-1.12 {
173  execsql {
174    SELECT * FROM t1 natural inner join t2;
175  }
176} {1 2 3 4 2 3 4 5}
177
178ifcapable subquery {
179  do_test join-1.13 {
180    execsql2 {
181      SELECT * FROM t1 NATURAL JOIN
182        (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as t3
183    }
184  } {a 1 b 2 c 3 d 4 e 5}
185  do_test join-1.14 {
186    execsql2 {
187      SELECT * FROM (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as 'tx'
188          NATURAL JOIN t1
189    }
190  } {c 3 d 4 e 5 a 1 b 2}
191}
192
193do_test join-1.15 {
194  execsql {
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);
199    SELECT * FROM t3;
200  }
201} {2 3 4 3 4 5 4 5 6}
202do_test join-1.16 {
203  execsql {
204    SELECT * FROM t1 natural join t2 natural join t3;
205  }
206} {1 2 3 4 5 2 3 4 5 6}
207do_test join-1.17 {
208  execsql2 {
209    SELECT * FROM t1 natural join t2 natural join t3;
210  }
211} {a 1 b 2 c 3 d 4 e 5 a 2 b 3 c 4 d 5 e 6}
212do_test join-1.18 {
213  execsql {
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);
218    SELECT * FROM t4;
219  }
220} {2 3 4 3 4 5 4 5 6}
221do_test join-1.19.1 {
222  execsql {
223    SELECT * FROM t1 natural join t2 natural join t4;
224  }
225} {1 2 3 4 5 6}
226do_test join-1.19.2 {
227  execsql2 {
228    SELECT * FROM t1 natural join t2 natural join t4;
229  }
230} {a 1 b 2 c 3 d 4 e 5 f 6}
231do_test join-1.20 {
232  execsql {
233    SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1
234  }
235} {1 2 3 4 5}
236
237do_test join-2.1 {
238  execsql {
239    SELECT * FROM t1 NATURAL LEFT JOIN t2;
240  }
241} {1 2 3 4 2 3 4 5 3 4 5 {}}
242
243# ticket #3522
244do_test join-2.1.1 {
245  execsql2 {
246    SELECT * FROM t1 NATURAL LEFT JOIN t2;
247  }
248} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5 a 3 b 4 c 5 d {}}
249do_test join-2.1.2 {
250  execsql2 {
251    SELECT t1.* FROM t1 NATURAL LEFT JOIN t2;
252  }
253} {a 1 b 2 c 3 a 2 b 3 c 4 a 3 b 4 c 5}
254do_test join-2.1.3 {
255  execsql2 {
256    SELECT t2.* FROM t1 NATURAL LEFT JOIN t2;
257  }
258} {b 2 c 3 d 4 b 3 c 4 d 5 b {} c {} d {}}
259
260do_test join-2.2 {
261  execsql {
262    SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1;
263  }
264} {1 2 3 {} 2 3 4 1 3 4 5 2}
265do_test join-2.3 {
266  catchsql {
267    SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2;
268  }
269} {1 {RIGHT and FULL OUTER JOINs are not currently supported}}
270do_test join-2.4 {
271  execsql {
272    SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d
273  }
274} {1 2 3 {} {} {} 2 3 4 {} {} {} 3 4 5 1 2 3}
275do_test join-2.5 {
276  execsql {
277    SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t1.a>1
278  }
279} {2 3 4 {} {} {} 3 4 5 1 2 3}
280do_test join-2.6 {
281  execsql {
282    SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t2.b IS NULL OR t2.b>1
283  }
284} {1 2 3 {} {} {} 2 3 4 {} {} {}}
285
286do_test join-3.1 {
287  catchsql {
288    SELECT * FROM t1 NATURAL JOIN t2 ON t1.a=t2.b;
289  }
290} {1 {a NATURAL join may not have an ON or USING clause}}
291do_test join-3.2 {
292  catchsql {
293    SELECT * FROM t1 NATURAL JOIN t2 USING(b);
294  }
295} {1 {a NATURAL join may not have an ON or USING clause}}
296do_test join-3.3 {
297  catchsql {
298    SELECT * FROM t1 JOIN t2 ON t1.a=t2.b USING(b);
299  }
300} {1 {cannot have both ON and USING clauses in the same join}}
301do_test join-3.4.1 {
302  catchsql {
303    SELECT * FROM t1 JOIN t2 USING(a);
304  }
305} {1 {cannot join using column a - column not present in both tables}}
306do_test join-3.4.2 {
307  catchsql {
308    SELECT * FROM t1 JOIN t2 USING(d);
309  }
310} {1 {cannot join using column d - column not present in both tables}}
311do_test join-3.5 {
312  catchsql { SELECT * FROM t1 USING(a) }
313} {1 {a JOIN clause is required before USING}}
314do_test join-3.6 {
315  catchsql {
316    SELECT * FROM t1 JOIN t2 ON t3.a=t2.b;
317  }
318} {1 {no such column: t3.a}}
319do_test join-3.7 {
320  catchsql {
321    SELECT * FROM t1 INNER OUTER JOIN t2;
322  }
323} {1 {unknown or unsupported join type: INNER OUTER}}
324do_test join-3.8 {
325  catchsql {
326    SELECT * FROM t1 INNER OUTER CROSS JOIN t2;
327  }
328} {1 {unknown or unsupported join type: INNER OUTER CROSS}}
329do_test join-3.9 {
330  catchsql {
331    SELECT * FROM t1 OUTER NATURAL INNER JOIN t2;
332  }
333} {1 {unknown or unsupported join type: OUTER NATURAL INNER}}
334do_test join-3.10 {
335  catchsql {
336    SELECT * FROM t1 LEFT BOGUS JOIN t2;
337  }
338} {1 {unknown or unsupported join type: LEFT BOGUS}}
339do_test join-3.11 {
340  catchsql {
341    SELECT * FROM t1 INNER BOGUS CROSS JOIN t2;
342  }
343} {1 {unknown or unsupported join type: INNER BOGUS CROSS}}
344do_test join-3.12 {
345  catchsql {
346    SELECT * FROM t1 NATURAL AWK SED JOIN t2;
347  }
348} {1 {unknown or unsupported join type: NATURAL AWK SED}}
349
350do_test join-4.1 {
351  execsql {
352    BEGIN;
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;
363    COMMIT;
364  }
365  execsql {
366    SELECT * FROM t6 NATURAL JOIN t5;
367  }
368} {}
369do_test join-4.2 {
370  execsql {
371    SELECT * FROM t6, t5 WHERE t6.a<t5.a;
372  }
373} {}
374do_test join-4.3 {
375  execsql {
376    SELECT * FROM t6, t5 WHERE t6.a>t5.a;
377  }
378} {}
379do_test join-4.4 {
380  execsql {
381    UPDATE t6 SET a='xyz';
382    SELECT * FROM t6 NATURAL JOIN t5;
383  }
384} {}
385do_test join-4.6 {
386  execsql {
387    SELECT * FROM t6, t5 WHERE t6.a<t5.a;
388  }
389} {}
390do_test join-4.7 {
391  execsql {
392    SELECT * FROM t6, t5 WHERE t6.a>t5.a;
393  }
394} {}
395do_test join-4.8 {
396  execsql {
397    UPDATE t6 SET a=1;
398    SELECT * FROM t6 NATURAL JOIN t5;
399  }
400} {}
401do_test join-4.9 {
402  execsql {
403    SELECT * FROM t6, t5 WHERE t6.a<t5.a;
404  }
405} {}
406do_test join-4.10 {
407  execsql {
408    SELECT * FROM t6, t5 WHERE t6.a>t5.a;
409  }
410} {}
411
412do_test join-5.1 {
413  execsql {
414    BEGIN;
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,
418    idcentro integer);
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);
423    END;
424    select usuarios.id, usuarios.nombre, centros.centro from
425    usuarios left outer join centros on usuarios.idcentro = centros.id;
426  }
427} {1 a xxx 2 b xxx 3 c {}}
428
429# A test for ticket #247.
430#
431do_test join-7.1 {
432  execsql {
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);
441
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");
449
450    SELECT coalesce(t8.a,999) from t7 LEFT JOIN t8 on y=a;
451  }
452} {1 999 999 2 131 130 999}
453
454# Make sure a left join where the right table is really a view that
455# is itself a join works right.  Ticket #306.
456#
457ifcapable view {
458do_test join-8.1 {
459  execsql {
460    BEGIN;
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;
471    COMMIT;
472    SELECT * FROM t9 LEFT JOIN v10_11 ON( a=x );
473  }
474} {1 11 1 111 2 22 {} {}}
475ifcapable subquery {
476  do_test join-8.2 {
477    execsql {
478      SELECT * FROM t9 LEFT JOIN (SELECT x, q FROM t10, t11 WHERE t10.y=t11.p)
479           ON( a=x);
480    }
481  } {1 11 1 111 2 22 {} {}}
482}
483do_test join-8.3 {
484  execsql {
485    SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x );
486  }
487} {1 111 1 11 3 333 {} {}}
488ifcapable subquery {
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
492  do_test join-8.4 {
493    execsql {
494      SELECT * FROM t9 LEFT JOIN (SELECT 44, p, q FROM t11) AS sub1 ON p=a
495    }
496  } {1 11 {} {} {} 2 22 44 2 111}
497}
498} ;# ifcapable view
499
500# Ticket #350 describes a scenario where LEFT OUTER JOIN does not
501# function correctly if the right table in the join is really
502# subquery.
503#
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
508# be an empty set.
509#
510ifcapable compound {
511do_test join-9.1 {
512  execsql {
513    BEGIN;
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);
519    COMMIT;
520  }
521} {}
522
523ifcapable subquery {
524  do_test join-9.1.1 {
525    execsql {
526      SELECT * FROM t12 NATURAL LEFT JOIN t13
527      EXCEPT
528      SELECT * FROM t12 NATURAL LEFT JOIN (SELECT * FROM t13 WHERE b>0);
529    }
530  } {}
531}
532ifcapable view {
533  do_test join-9.2 {
534    execsql {
535      CREATE VIEW v13 AS SELECT * FROM t13 WHERE b>0;
536      SELECT * FROM t12 NATURAL LEFT JOIN t13
537        EXCEPT
538        SELECT * FROM t12 NATURAL LEFT JOIN v13;
539    }
540  } {}
541} ;# ifcapable view
542} ;# ifcapable compound
543
544ifcapable subquery {
545  # Ticket #1697:  Left Join WHERE clause terms that contain an
546  # aggregate subquery.
547  #
548  do_test join-10.1 {
549    execsql {
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);
555    }
556  } {}
557
558  # Test a LEFT JOIN when the right-hand side of hte join is an empty
559  # sub-query. Seems fine.
560  #
561  do_test join-10.2 {
562    execsql {
563      CREATE TABLE t23(a, b, c);
564      CREATE TABLE t24(a, b, c);
565      INSERT INTO t23 VALUES(1, 2, 3);
566    }
567    execsql {
568      SELECT * FROM t23 LEFT JOIN t24;
569    }
570  } {1 2 3 {} {} {}}
571  do_test join-10.3 {
572    execsql {
573      SELECT * FROM t23 LEFT JOIN (SELECT * FROM t24);
574    }
575  } {1 2 3 {} {} {}}
576
577} ;# ifcapable subquery
578
579#-------------------------------------------------------------------------
580# The following tests are to ensure that bug b73fb0bd64 is fixed.
581#
582do_test join-11.1 {
583  drop_all_tables
584  execsql {
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;
592  }
593} {1 abc 2 def}
594
595do_test join-11.2 {
596  execsql { SELECT a FROM t1 JOIN t1 USING (a)}
597} {1 2}
598do_test join-11.3 {
599  execsql { SELECT a FROM t1 JOIN t1 AS t2 USING (a)}
600} {1 2}
601do_test join-11.3 {
602  execsql { SELECT * FROM t1 NATURAL JOIN t1 AS t2}
603} {1 abc 2 def}
604do_test join-11.4 {
605  execsql { SELECT * FROM t1 NATURAL JOIN t1 }
606} {1 abc 2 def}
607
608do_test join-11.5 {
609  drop_all_tables
610  execsql {
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);
617  }
618} {}
619do_test join-11.6 {
620  execsql { SELECT * FROM t1 NATURAL JOIN t2 }
621} {ONE 1 two 2}
622do_test join-11.7 {
623  execsql { SELECT * FROM t2 NATURAL JOIN t1 }
624} {two 2}
625
626do_test join-11.8 {
627  drop_all_tables
628  execsql {
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');
635  }
636} {}
637do_test join-11.9 {
638  execsql { SELECT * FROM t1 NATURAL JOIN t2 }
639} {one 1.0 two 2}
640do_test join-11.10 {
641  execsql { SELECT * FROM t2 NATURAL JOIN t1 }
642} {1 one 2 two}
643
644finish_test
645