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 1.1.1.1 2012/02/21 17:04:16 misho Exp $
16:
17: set testdir [file dirname $argv0]
18: source $testdir/tester.tcl
19:
20: do_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}
29: do_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:
39: do_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}
44: do_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}
49: do_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}
54: do_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}
59: do_test join-1.3.4 {
60: execsql {
61: SELECT b FROM t1 NATURAL JOIN t2;
62: }
63: } {2 3}
64:
65: # ticket #3522
66: do_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}
71: do_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}
76: do_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}
81: do_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}
86: do_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}
91: do_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:
98: do_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}
103: do_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}
108: do_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}
113: do_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}
118: do_test join-1.4.5 {
119: execsql {
120: SELECT b FROM t1 JOIN t2 USING(b);
121: }
122: } {2 3}
123:
124: # Ticket #3522
125: do_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}
130: do_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:
136: do_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}
141: do_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}
146: do_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:
152: do_test join-1.8 {
153: execsql {
154: SELECT * FROM t1 NATURAL CROSS JOIN t2;
155: }
156: } {1 2 3 4 2 3 4 5}
157: do_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}
162: do_test join-1.10 {
163: execsql {
164: SELECT * FROM t1 NATURAL INNER JOIN t2;
165: }
166: } {1 2 3 4 2 3 4 5}
167: do_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}
172: do_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:
178: ifcapable 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:
193: do_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}
202: do_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}
207: do_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}
212: do_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}
221: do_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}
226: do_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}
231: do_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:
237: do_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
244: do_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 {}}
249: do_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}
254: do_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:
260: do_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}
265: do_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}}
270: do_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}
275: do_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}
280: do_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:
286: do_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}}
291: do_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}}
296: do_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}}
301: do_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}}
306: do_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}}
311: do_test join-3.5 {
312: catchsql { SELECT * FROM t1 USING(a) }
313: } {1 {a JOIN clause is required before USING}}
314: do_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}}
319: do_test join-3.7 {
320: catchsql {
321: SELECT * FROM t1 INNER OUTER JOIN t2;
322: }
323: } {1 {unknown or unsupported join type: INNER OUTER}}
324: do_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}}
329: do_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}}
334: do_test join-3.10 {
335: catchsql {
336: SELECT * FROM t1 LEFT BOGUS JOIN t2;
337: }
338: } {1 {unknown or unsupported join type: LEFT BOGUS}}
339: do_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}}
344: do_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:
350: do_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: } {}
369: do_test join-4.2 {
370: execsql {
371: SELECT * FROM t6, t5 WHERE t6.a<t5.a;
372: }
373: } {}
374: do_test join-4.3 {
375: execsql {
376: SELECT * FROM t6, t5 WHERE t6.a>t5.a;
377: }
378: } {}
379: do_test join-4.4 {
380: execsql {
381: UPDATE t6 SET a='xyz';
382: SELECT * FROM t6 NATURAL JOIN t5;
383: }
384: } {}
385: do_test join-4.6 {
386: execsql {
387: SELECT * FROM t6, t5 WHERE t6.a<t5.a;
388: }
389: } {}
390: do_test join-4.7 {
391: execsql {
392: SELECT * FROM t6, t5 WHERE t6.a>t5.a;
393: }
394: } {}
395: do_test join-4.8 {
396: execsql {
397: UPDATE t6 SET a=1;
398: SELECT * FROM t6 NATURAL JOIN t5;
399: }
400: } {}
401: do_test join-4.9 {
402: execsql {
403: SELECT * FROM t6, t5 WHERE t6.a<t5.a;
404: }
405: } {}
406: do_test join-4.10 {
407: execsql {
408: SELECT * FROM t6, t5 WHERE t6.a>t5.a;
409: }
410: } {}
411:
412: do_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: #
431: do_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: #
457: ifcapable view {
458: do_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 {} {}}
475: ifcapable 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: }
483: do_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 {} {}}
488: ifcapable 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: #
510: ifcapable compound {
511: do_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:
523: ifcapable 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: }
532: ifcapable 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:
544: ifcapable 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: #
582: do_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:
595: do_test join-11.2 {
596: execsql { SELECT a FROM t1 JOIN t1 USING (a)}
597: } {1 2}
598: do_test join-11.3 {
599: execsql { SELECT a FROM t1 JOIN t1 AS t2 USING (a)}
600: } {1 2}
601: do_test join-11.3 {
602: execsql { SELECT * FROM t1 NATURAL JOIN t1 AS t2}
603: } {1 abc 2 def}
604: do_test join-11.4 {
605: execsql { SELECT * FROM t1 NATURAL JOIN t1 }
606: } {1 abc 2 def}
607:
608: do_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: } {}
619: do_test join-11.6 {
620: execsql { SELECT * FROM t1 NATURAL JOIN t2 }
621: } {ONE 1 two 2}
622: do_test join-11.7 {
623: execsql { SELECT * FROM t2 NATURAL JOIN t1 }
624: } {two 2}
625:
626: do_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: } {}
637: do_test join-11.9 {
638: execsql { SELECT * FROM t1 NATURAL JOIN t2 }
639: } {one 1.0 two 2}
640: do_test join-11.10 {
641: execsql { SELECT * FROM t2 NATURAL JOIN t1 }
642: } {1 one 2 two}
643:
644: finish_test
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