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1# 2001 September 15.
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. The
12# focus of this file is testing the CREATE TABLE statement.
13#
14# $Id: sort.test,v 1.25 2005/11/14 22:29:06 drh Exp $
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18
19# Create a bunch of data to sort against
20#
21do_test sort-1.0 {
22 execsql {
23 CREATE TABLE t1(
24 n int,
25 v varchar(10),
26 log int,
27 roman varchar(10),
28 flt real
29 );
30 INSERT INTO t1 VALUES(1,'one',0,'I',3.141592653);
31 INSERT INTO t1 VALUES(2,'two',1,'II',2.15);
32 INSERT INTO t1 VALUES(3,'three',1,'III',4221.0);
33 INSERT INTO t1 VALUES(4,'four',2,'IV',-0.0013442);
34 INSERT INTO t1 VALUES(5,'five',2,'V',-11);
35 INSERT INTO t1 VALUES(6,'six',2,'VI',0.123);
36 INSERT INTO t1 VALUES(7,'seven',2,'VII',123.0);
37 INSERT INTO t1 VALUES(8,'eight',3,'VIII',-1.6);
38 }
39 execsql {SELECT count(*) FROM t1}
40} {8}
41
42do_test sort-1.1 {
43 execsql {SELECT n FROM t1 ORDER BY n}
44} {1 2 3 4 5 6 7 8}
45do_test sort-1.1.1 {
46 execsql {SELECT n FROM t1 ORDER BY n ASC}
47} {1 2 3 4 5 6 7 8}
48do_test sort-1.1.1 {
49 execsql {SELECT ALL n FROM t1 ORDER BY n ASC}
50} {1 2 3 4 5 6 7 8}
51do_test sort-1.2 {
52 execsql {SELECT n FROM t1 ORDER BY n DESC}
53} {8 7 6 5 4 3 2 1}
54do_test sort-1.3a {
55 execsql {SELECT v FROM t1 ORDER BY v}
56} {eight five four one seven six three two}
57do_test sort-1.3b {
58 execsql {SELECT n FROM t1 ORDER BY v}
59} {8 5 4 1 7 6 3 2}
60do_test sort-1.4 {
61 execsql {SELECT n FROM t1 ORDER BY v DESC}
62} {2 3 6 7 1 4 5 8}
63do_test sort-1.5 {
64 execsql {SELECT flt FROM t1 ORDER BY flt}
65} {-11.0 -1.6 -0.0013442 0.123 2.15 3.141592653 123.0 4221.0}
66do_test sort-1.6 {
67 execsql {SELECT flt FROM t1 ORDER BY flt DESC}
68} {4221.0 123.0 3.141592653 2.15 0.123 -0.0013442 -1.6 -11.0}
69do_test sort-1.7 {
70 execsql {SELECT roman FROM t1 ORDER BY roman}
71} {I II III IV V VI VII VIII}
72do_test sort-1.8 {
73 execsql {SELECT n FROM t1 ORDER BY log, flt}
74} {1 2 3 5 4 6 7 8}
75do_test sort-1.8.1 {
76 execsql {SELECT n FROM t1 ORDER BY log asc, flt}
77} {1 2 3 5 4 6 7 8}
78do_test sort-1.8.2 {
79 execsql {SELECT n FROM t1 ORDER BY log, flt ASC}
80} {1 2 3 5 4 6 7 8}
81do_test sort-1.8.3 {
82 execsql {SELECT n FROM t1 ORDER BY log ASC, flt asc}
83} {1 2 3 5 4 6 7 8}
84do_test sort-1.9 {
85 execsql {SELECT n FROM t1 ORDER BY log, flt DESC}
86} {1 3 2 7 6 4 5 8}
87do_test sort-1.9.1 {
88 execsql {SELECT n FROM t1 ORDER BY log ASC, flt DESC}
89} {1 3 2 7 6 4 5 8}
90do_test sort-1.10 {
91 execsql {SELECT n FROM t1 ORDER BY log DESC, flt}
92} {8 5 4 6 7 2 3 1}
93do_test sort-1.11 {
94 execsql {SELECT n FROM t1 ORDER BY log DESC, flt DESC}
95} {8 7 6 4 5 3 2 1}
96
97# These tests are designed to reach some hard-to-reach places
98# inside the string comparison routines.
99#
100# (Later) The sorting behavior changed in 2.7.0. But we will
101# keep these tests. You can never have too many test cases!
102#
103do_test sort-2.1.1 {
104 execsql {
105 UPDATE t1 SET v='x' || -flt;
106 UPDATE t1 SET v='x-2b' where v=='x-0.123';
107 SELECT v FROM t1 ORDER BY v;
108 }
109} {x-123.0 x-2.15 x-2b x-3.141592653 x-4221.0 x0.0013442 x1.6 x11.0}
110do_test sort-2.1.2 {
111 execsql {
112 SELECT v FROM t1 ORDER BY substr(v,2,999);
113 }
114} {x-123.0 x-2.15 x-2b x-3.141592653 x-4221.0 x0.0013442 x1.6 x11.0}
115do_test sort-2.1.3 {
116 execsql {
117 SELECT v FROM t1 ORDER BY substr(v,2,999)+0.0;
118 }
119} {x-4221.0 x-123.0 x-3.141592653 x-2.15 x-2b x0.0013442 x1.6 x11.0}
120do_test sort-2.1.4 {
121 execsql {
122 SELECT v FROM t1 ORDER BY substr(v,2,999) DESC;
123 }
124} {x11.0 x1.6 x0.0013442 x-4221.0 x-3.141592653 x-2b x-2.15 x-123.0}
125do_test sort-2.1.5 {
126 execsql {
127 SELECT v FROM t1 ORDER BY substr(v,2,999)+0.0 DESC;
128 }
129} {x11.0 x1.6 x0.0013442 x-2b x-2.15 x-3.141592653 x-123.0 x-4221.0}
130
131# This is a bug fix for 2.2.4.
132# Strings are normally mapped to upper-case for a caseless comparison.
133# But this can cause problems for characters in between 'Z' and 'a'.
134#
135do_test sort-3.1 {
136 execsql {
137 CREATE TABLE t2(a,b);
138 INSERT INTO t2 VALUES('AGLIENTU',1);
139 INSERT INTO t2 VALUES('AGLIE`',2);
140 INSERT INTO t2 VALUES('AGNA',3);
141 SELECT a, b FROM t2 ORDER BY a;
142 }
143} {AGLIENTU 1 AGLIE` 2 AGNA 3}
144do_test sort-3.2 {
145 execsql {
146 SELECT a, b FROM t2 ORDER BY a DESC;
147 }
148} {AGNA 3 AGLIE` 2 AGLIENTU 1}
149do_test sort-3.3 {
150 execsql {
151 DELETE FROM t2;
152 INSERT INTO t2 VALUES('aglientu',1);
153 INSERT INTO t2 VALUES('aglie`',2);
154 INSERT INTO t2 VALUES('agna',3);
155 SELECT a, b FROM t2 ORDER BY a;
156 }
157} {aglie` 2 aglientu 1 agna 3}
158do_test sort-3.4 {
159 execsql {
160 SELECT a, b FROM t2 ORDER BY a DESC;
161 }
162} {agna 3 aglientu 1 aglie` 2}
163
164# Version 2.7.0 testing.
165#
166do_test sort-4.1 {
167 execsql {
168 INSERT INTO t1 VALUES(9,'x2.7',3,'IX',4.0e5);
169 INSERT INTO t1 VALUES(10,'x5.0e10',3,'X',-4.0e5);
170 INSERT INTO t1 VALUES(11,'x-4.0e9',3,'XI',4.1e4);
171 INSERT INTO t1 VALUES(12,'x01234567890123456789',3,'XII',-4.2e3);
172 SELECT n FROM t1 ORDER BY n;
173 }
174} {1 2 3 4 5 6 7 8 9 10 11 12}
175do_test sort-4.2 {
176 execsql {
177 SELECT n||'' FROM t1 ORDER BY 1;
178 }
179} {1 10 11 12 2 3 4 5 6 7 8 9}
180do_test sort-4.3 {
181 execsql {
182 SELECT n+0 FROM t1 ORDER BY 1;
183 }
184} {1 2 3 4 5 6 7 8 9 10 11 12}
185do_test sort-4.4 {
186 execsql {
187 SELECT n||'' FROM t1 ORDER BY 1 DESC;
188 }
189} {9 8 7 6 5 4 3 2 12 11 10 1}
190do_test sort-4.5 {
191 execsql {
192 SELECT n+0 FROM t1 ORDER BY 1 DESC;
193 }
194} {12 11 10 9 8 7 6 5 4 3 2 1}
195do_test sort-4.6 {
196 execsql {
197 SELECT v FROM t1 ORDER BY 1;
198 }
199} {x-123.0 x-2.15 x-2b x-3.141592653 x-4.0e9 x-4221.0 x0.0013442 x01234567890123456789 x1.6 x11.0 x2.7 x5.0e10}
200do_test sort-4.7 {
201 execsql {
202 SELECT v FROM t1 ORDER BY 1 DESC;
203 }
204} {x5.0e10 x2.7 x11.0 x1.6 x01234567890123456789 x0.0013442 x-4221.0 x-4.0e9 x-3.141592653 x-2b x-2.15 x-123.0}
205do_test sort-4.8 {
206 execsql {
207 SELECT substr(v,2,99) FROM t1 ORDER BY 1;
208 }
209} {-123.0 -2.15 -2b -3.141592653 -4.0e9 -4221.0 0.0013442 01234567890123456789 1.6 11.0 2.7 5.0e10}
210#do_test sort-4.9 {
211# execsql {
212# SELECT substr(v,2,99)+0.0 FROM t1 ORDER BY 1;
213# }
214#} {-4000000000 -4221 -123 -3.141592653 -2.15 -2 0.0013442 1.6 2.7 11 50000000000 1.23456789012346e+18}
215
216do_test sort-5.1 {
217 execsql {
218 create table t3(a,b);
219 insert into t3 values(5,NULL);
220 insert into t3 values(6,NULL);
221 insert into t3 values(3,NULL);
222 insert into t3 values(4,'cd');
223 insert into t3 values(1,'ab');
224 insert into t3 values(2,NULL);
225 select a from t3 order by b, a;
226 }
227} {2 3 5 6 1 4}
228do_test sort-5.2 {
229 execsql {
230 select a from t3 order by b, a desc;
231 }
232} {6 5 3 2 1 4}
233do_test sort-5.3 {
234 execsql {
235 select a from t3 order by b desc, a;
236 }
237} {4 1 2 3 5 6}
238do_test sort-5.4 {
239 execsql {
240 select a from t3 order by b desc, a desc;
241 }
242} {4 1 6 5 3 2}
243
244do_test sort-6.1 {
245 execsql {
246 create index i3 on t3(b,a);
247 select a from t3 order by b, a;
248 }
249} {2 3 5 6 1 4}
250do_test sort-6.2 {
251 execsql {
252 select a from t3 order by b, a desc;
253 }
254} {6 5 3 2 1 4}
255do_test sort-6.3 {
256 execsql {
257 select a from t3 order by b desc, a;
258 }
259} {4 1 2 3 5 6}
260do_test sort-6.4 {
261 execsql {
262 select a from t3 order by b desc, a desc;
263 }
264} {4 1 6 5 3 2}
265
266do_test sort-7.1 {
267 execsql {
268 CREATE TABLE t4(
269 a INTEGER,
270 b VARCHAR(30)
271 );
272 INSERT INTO t4 VALUES(1,1);
273 INSERT INTO t4 VALUES(2,2);
274 INSERT INTO t4 VALUES(11,11);
275 INSERT INTO t4 VALUES(12,12);
276 SELECT a FROM t4 ORDER BY 1;
277 }
278} {1 2 11 12}
279do_test sort-7.2 {
280 execsql {
281 SELECT b FROM t4 ORDER BY 1
282 }
283} {1 11 12 2}
284
285# Omit tests sort-7.3 to sort-7.8 if view support was disabled at
286# compilatation time.
287ifcapable view {
288do_test sort-7.3 {
289 execsql {
290 CREATE VIEW v4 AS SELECT * FROM t4;
291 SELECT a FROM v4 ORDER BY 1;
292 }
293} {1 2 11 12}
294do_test sort-7.4 {
295 execsql {
296 SELECT b FROM v4 ORDER BY 1;
297 }
298} {1 11 12 2}
299
300ifcapable compound {
301do_test sort-7.5 {
302 execsql {
303 SELECT a FROM t4 UNION SELECT a FROM v4 ORDER BY 1;
304 }
305} {1 2 11 12}
306do_test sort-7.6 {
307 execsql {
308 SELECT b FROM t4 UNION SELECT a FROM v4 ORDER BY 1;
309 }
310} {1 2 11 12 1 11 12 2} ;# text from t4.b and numeric from v4.a
311do_test sort-7.7 {
312 execsql {
313 SELECT a FROM t4 UNION SELECT b FROM v4 ORDER BY 1;
314 }
315} {1 2 11 12 1 11 12 2} ;# numeric from t4.a and text from v4.b
316do_test sort-7.8 {
317 execsql {
318 SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1;
319 }
320} {1 11 12 2}
321} ;# ifcapable compound
322} ;# ifcapable view
323
324#### Version 3 works differently here:
325#do_test sort-7.9 {
326# execsql {
327# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE numeric;
328# }
329#} {1 2 11 12}
330#do_test sort-7.10 {
331# execsql {
332# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE integer;
333# }
334#} {1 2 11 12}
335#do_test sort-7.11 {
336# execsql {
337# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE text;
338# }
339#} {1 11 12 2}
340#do_test sort-7.12 {
341# execsql {
342# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE blob;
343# }
344#} {1 11 12 2}
345#do_test sort-7.13 {
346# execsql {
347# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE clob;
348# }
349#} {1 11 12 2}
350#do_test sort-7.14 {
351# execsql {
352# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE varchar;
353# }
354#} {1 11 12 2}
355
356# Ticket #297
357#
358do_test sort-8.1 {
359 execsql {
360 CREATE TABLE t5(a real, b text);
361 INSERT INTO t5 VALUES(100,'A1');
362 INSERT INTO t5 VALUES(100.0,'A2');
363 SELECT * FROM t5 ORDER BY a, b;
364 }
365} {100.0 A1 100.0 A2}
366
367
368ifcapable {bloblit} {
369# BLOBs should sort after TEXT
370#
371do_test sort-9.1 {
372 execsql {
373 CREATE TABLE t6(x, y);
374 INSERT INTO t6 VALUES(1,1);
375 INSERT INTO t6 VALUES(2,'1');
376 INSERT INTO t6 VALUES(3,x'31');
377 INSERT INTO t6 VALUES(4,NULL);
378 SELECT x FROM t6 ORDER BY y;
379 }
380} {4 1 2 3}
381do_test sort-9.2 {
382 execsql {
383 SELECT x FROM t6 ORDER BY y DESC;
384 }
385} {3 2 1 4}
386do_test sort-9.3 {
387 execsql {
388 SELECT x FROM t6 WHERE y<1
389 }
390} {}
391do_test sort-9.4 {
392 execsql {
393 SELECT x FROM t6 WHERE y<'1'
394 }
395} {1}
396do_test sort-9.5 {
397 execsql {
398 SELECT x FROM t6 WHERE y<x'31'
399 }
400} {1 2}
401do_test sort-9.6 {
402 execsql {
403 SELECT x FROM t6 WHERE y>1
404 }
405} {2 3}
406do_test sort-9.7 {
407 execsql {
408 SELECT x FROM t6 WHERE y>'1'
409 }
410} {3}
411} ;# endif bloblit
412
413# Ticket #1092 - ORDER BY on rowid fields.
414do_test sort-10.1 {
415 execsql {
416 CREATE TABLE t7(c INTEGER PRIMARY KEY);
417 INSERT INTO t7 VALUES(1);
418 INSERT INTO t7 VALUES(2);
419 INSERT INTO t7 VALUES(3);
420 INSERT INTO t7 VALUES(4);
421 }
422} {}
423do_test sort-10.2 {
424 execsql {
425 SELECT c FROM t7 WHERE c<=3 ORDER BY c DESC;
426 }
427} {3 2 1}
428do_test sort-10.3 {
429 execsql {
430 SELECT c FROM t7 WHERE c<3 ORDER BY c DESC;
431 }
432} {2 1}
433
434# ticket #1358. Just because one table in a join gives a unique
435# result does not mean they all do. We cannot disable sorting unless
436# all tables in the join give unique results.
437#
438do_test sort-11.1 {
439 execsql {
440 create table t8(a unique, b, c);
441 insert into t8 values(1,2,3);
442 insert into t8 values(2,3,4);
443 create table t9(x,y);
444 insert into t9 values(2,4);
445 insert into t9 values(2,3);
446 select y from t8, t9 where a=1 order by a, y;
447 }
448} {3 4}
449
450# Trouble reported on the mailing list. Check for overly aggressive
451# (which is to say, incorrect) optimization of order-by with a rowid
452# in a join.
453#
454do_test sort-12.1 {
455 execsql {
456 create table a (id integer primary key);
457 create table b (id integer primary key, aId integer, text);
458 insert into a values (1);
459 insert into b values (2, 1, 'xxx');
460 insert into b values (1, 1, 'zzz');
461 insert into b values (3, 1, 'yyy');
462 select a.id, b.id, b.text from a join b on (a.id = b.aId)
463 order by a.id, b.text;
464 }
465} {1 2 xxx 1 3 yyy 1 1 zzz}
466
467finish_test