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. The
12 # focus of this script is testing automatic index creation logic.
14 # EVIDENCE-OF: R-34271-33106 PRAGMA automatic_index; PRAGMA
15 # automatic_index = boolean; Query, set, or clear the automatic indexing
18 set testdir [file dirname $argv0]
19 source $testdir/tester.tcl
21 # If the library is not compiled with automatic index support then
22 # skip all tests in this file.
24 ifcapable {!autoindex} {
32 test_sqlite3_log [list lappend ::log]
37 # With automatic index turned off, we do a full scan of the T2 table
38 do_test autoindex1-100 {
41 INSERT INTO t1 VALUES(1,11);
42 INSERT INTO t1 VALUES(2,22);
43 INSERT INTO t1 SELECT a+2, b+22 FROM t1;
44 INSERT INTO t1 SELECT a+4, b+44 FROM t1;
46 INSERT INTO t2 SELECT a, 900+b FROM t1;
49 PRAGMA automatic_index=OFF;
50 SELECT b, d FROM t1 JOIN t2 ON a=c ORDER BY b;
52 } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
53 do_test autoindex1-101 {
56 do_test autoindex1-102 {
60 # With autoindex turned on, we build an index once and then use that index
62 do_test autoindex1-110 {
64 PRAGMA automatic_index=ON;
65 SELECT b, d FROM t1 JOIN t2 ON a=c ORDER BY b;
67 } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
68 do_test autoindex1-111 {
71 do_test autoindex1-112 {
74 do_test autoindex1-113 {
76 } {SQLITE_WARNING_AUTOINDEX {automatic index on t2(c)}}
84 # The same test as above, but this time the T2 query is a subquery rather
86 do_test autoindex1-200 {
88 PRAGMA automatic_index=OFF;
89 SELECT b, (SELECT d FROM t2 WHERE c=a) FROM t1;
91 } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
92 do_test autoindex1-201 {
95 do_test autoindex1-202 {
98 do_test autoindex1-210 {
100 PRAGMA automatic_index=ON;
102 UPDATE sqlite_stat1 SET stat='10000' WHERE tbl='t1';
103 -- Table t2 actually contains 8 rows.
104 UPDATE sqlite_stat1 SET stat='16' WHERE tbl='t2';
105 ANALYZE sqlite_master;
106 SELECT b, (SELECT d FROM t2 WHERE c=a) FROM t1;
108 } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
109 do_test autoindex1-211 {
112 do_test autoindex1-212 {
117 # Modify the second table of the join while the join is in progress
119 do_execsql_test autoindex1-299 {
120 UPDATE sqlite_stat1 SET stat='10000' WHERE tbl='t2';
121 ANALYZE sqlite_master;
123 SELECT b, d FROM t1 CROSS JOIN t2 ON (c=a);
124 } {/AUTOMATIC COVERING INDEX/}
125 do_test autoindex1-300 {
127 db eval {SELECT b, d FROM t1 CROSS JOIN t2 ON (c=a)} {
129 db eval {UPDATE t2 SET d=d+1}
132 } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
133 do_test autoindex1-310 {
134 db eval {SELECT d FROM t2 ORDER BY d}
135 } {919 930 941 952 963 974 985 996}
137 # The next test does a 10-way join on unindexed tables. Without
138 # automatic indices, the join will take a long time to complete.
139 # With automatic indices, it should only take about a second.
141 do_test autoindex1-400 {
143 CREATE TABLE t4(a, b);
144 INSERT INTO t4 VALUES(1,2);
145 INSERT INTO t4 VALUES(2,3);
147 for {set n 2} {$n<4096} {set n [expr {$n+$n}]} {
148 db eval {INSERT INTO t4 SELECT a+$n, b+$n FROM t4}
151 SELECT count(*) FROM t4;
154 do_test autoindex1-401 {
158 JOIN t4 AS x2 ON x2.a=x1.b
159 JOIN t4 AS x3 ON x3.a=x2.b
160 JOIN t4 AS x4 ON x4.a=x3.b
161 JOIN t4 AS x5 ON x5.a=x4.b
162 JOIN t4 AS x6 ON x6.a=x5.b
163 JOIN t4 AS x7 ON x7.a=x6.b
164 JOIN t4 AS x8 ON x8.a=x7.b
165 JOIN t4 AS x9 ON x9.a=x8.b
166 JOIN t4 AS x10 ON x10.a=x9.b;
170 # Ticket [8011086c85c6c404014c947fcf3eb9f42b184a0d] from 2010-07-08
171 # Make sure automatic indices are not created for the RHS of an IN expression
172 # that is not a correlated subquery.
174 do_execsql_test autoindex1-500 {
175 CREATE TABLE t501(a INTEGER PRIMARY KEY, b);
176 CREATE TABLE t502(x INTEGER PRIMARY KEY, y);
177 INSERT INTO sqlite_stat1(tbl,idx,stat) VALUES('t501',null,'1000000');
178 INSERT INTO sqlite_stat1(tbl,idx,stat) VALUES('t502',null,'1000');
179 ANALYZE sqlite_master;
182 WHERE t501.a IN (SELECT x FROM t502 WHERE y=?);
184 0 0 0 {SEARCH TABLE t501 USING INTEGER PRIMARY KEY (rowid=?)}
185 0 0 0 {EXECUTE LIST SUBQUERY 1}
186 1 0 0 {SCAN TABLE t502}
188 do_execsql_test autoindex1-501 {
191 WHERE t501.a IN (SELECT x FROM t502 WHERE y=t501.b);
193 0 0 0 {SCAN TABLE t501}
194 0 0 0 {EXECUTE CORRELATED LIST SUBQUERY 1}
195 1 0 0 {SEARCH TABLE t502 USING AUTOMATIC COVERING INDEX (y=?)}
197 do_execsql_test autoindex1-502 {
201 AND t501.a IN (SELECT x FROM t502 WHERE y=t501.b);
203 0 0 0 {SEARCH TABLE t501 USING INTEGER PRIMARY KEY (rowid=?)}
204 0 0 0 {EXECUTE CORRELATED LIST SUBQUERY 1}
205 1 0 0 {SCAN TABLE t502}
209 # The following code checks a performance regression reported on the
210 # mailing list on 2010-10-19. The problem is that the nRowEst field
211 # of ephermeral tables was not being initialized correctly and so no
212 # automatic index was being created for the emphemeral table when it was
213 # used as part of a join.
215 do_execsql_test autoindex1-600 {
216 CREATE TABLE flock_owner(
217 owner_rec_id INTEGER CONSTRAINT flock_owner_key PRIMARY KEY,
218 flock_no VARCHAR(6) NOT NULL REFERENCES flock (flock_no),
219 owner_person_id INTEGER NOT NULL REFERENCES person (person_id),
220 owner_change_date TEXT, last_changed TEXT NOT NULL,
221 CONSTRAINT fo_owner_date UNIQUE (flock_no, owner_change_date)
224 Sheep_No char(7) NOT NULL,
225 Date_of_Birth char(8),
227 Flock_Book_Vol char(2),
229 Breeder_Person integer,
230 Originating_Flock char(6),
231 Registering_Flock char(6),
235 Breeders_Temp_Tag char(15),
240 Register_Code char(1),
243 Pattern_Code char(8),
246 Coeff_of_Inbreeding real,
247 Date_of_Registration text,
248 Date_Last_Changed text,
250 CREATE INDEX fo_flock_no_index
251 ON flock_owner (flock_no);
252 CREATE INDEX fo_owner_change_date_index
253 ON flock_owner (owner_change_date);
254 CREATE INDEX fo_owner_person_id_index
255 ON flock_owner (owner_person_id);
256 CREATE INDEX sheep_org_flock_index
257 ON sheep (originating_flock);
258 CREATE INDEX sheep_reg_flock_index
259 ON sheep (registering_flock);
261 SELECT x.sheep_no, x.registering_flock, x.date_of_registration
262 FROM sheep x LEFT JOIN
263 (SELECT s.sheep_no, prev.flock_no, prev.owner_person_id,
264 s.date_of_registration, prev.owner_change_date
265 FROM sheep s JOIN flock_owner prev ON s.registering_flock =
267 AND (prev.owner_change_date <= s.date_of_registration || ' 00:00:00')
269 (SELECT 'x' FROM flock_owner later
270 WHERE prev.flock_no = later.flock_no
271 AND later.owner_change_date > prev.owner_change_date
272 AND later.owner_change_date <= s.date_of_registration||' 00:00:00')
273 ) y ON x.sheep_no = y.sheep_no
274 WHERE y.sheep_no IS NULL
275 ORDER BY x.registering_flock;
277 1 0 0 {SCAN TABLE sheep AS s}
278 1 1 1 {SEARCH TABLE flock_owner AS prev USING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date<?)}
279 1 0 0 {EXECUTE CORRELATED SCALAR SUBQUERY 2}
280 2 0 0 {SEARCH TABLE flock_owner AS later USING COVERING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date>? AND owner_change_date<?)}
281 0 0 0 {SCAN TABLE sheep AS x USING INDEX sheep_reg_flock_index}
282 0 1 1 {SEARCH SUBQUERY 1 AS y USING AUTOMATIC COVERING INDEX (sheep_no=?)}
286 do_execsql_test autoindex1-700 {
287 CREATE TABLE t5(a, b, c);
288 EXPLAIN QUERY PLAN SELECT a FROM t5 WHERE b=10 ORDER BY c;
290 0 0 0 {SCAN TABLE t5}
291 0 0 0 {USE TEMP B-TREE FOR ORDER BY}
294 # The following checks a performance issue reported on the sqlite-dev
295 # mailing list on 2013-01-10
297 do_execsql_test autoindex1-800 {
298 CREATE TABLE accounts(
299 _id INTEGER PRIMARY KEY AUTOINCREMENT,
305 _id INTEGER PRIMARY KEY AUTOINCREMENT,
306 package_id INTEGER REFERENCES package(_id),
307 mimetype_id INTEGER REFERENCES mimetype(_id) NOT NULL,
308 raw_contact_id INTEGER REFERENCES raw_contacts(_id) NOT NULL,
309 is_read_only INTEGER NOT NULL DEFAULT 0,
310 is_primary INTEGER NOT NULL DEFAULT 0,
311 is_super_primary INTEGER NOT NULL DEFAULT 0,
312 data_version INTEGER NOT NULL DEFAULT 0,
333 CREATE TABLE mimetypes(
334 _id INTEGER PRIMARY KEY AUTOINCREMENT,
335 mimetype TEXT NOT NULL
337 CREATE TABLE raw_contacts(
338 _id INTEGER PRIMARY KEY AUTOINCREMENT,
339 account_id INTEGER REFERENCES accounts(_id),
341 raw_contact_is_read_only INTEGER NOT NULL DEFAULT 0,
342 version INTEGER NOT NULL DEFAULT 1,
343 dirty INTEGER NOT NULL DEFAULT 0,
344 deleted INTEGER NOT NULL DEFAULT 0,
345 contact_id INTEGER REFERENCES contacts(_id),
346 aggregation_mode INTEGER NOT NULL DEFAULT 0,
347 aggregation_needed INTEGER NOT NULL DEFAULT 1,
348 custom_ringtone TEXT,
349 send_to_voicemail INTEGER NOT NULL DEFAULT 0,
350 times_contacted INTEGER NOT NULL DEFAULT 0,
351 last_time_contacted INTEGER,
352 starred INTEGER NOT NULL DEFAULT 0,
354 display_name_alt TEXT,
355 display_name_source INTEGER NOT NULL DEFAULT 0,
357 phonetic_name_style TEXT,
360 name_verified INTEGER NOT NULL DEFAULT 0,
366 sync_version INTEGER NOT NULL DEFAULT 1,
367 has_calendar_event INTEGER NOT NULL DEFAULT 0,
368 modified_time INTEGER,
369 is_restricted INTEGER DEFAULT 0,
371 method_selected INTEGER DEFAULT 0,
372 custom_vibration_type INTEGER DEFAULT 0,
373 custom_ringtone_path TEXT,
374 message_notification TEXT,
375 message_notification_path TEXT
377 CREATE INDEX data_mimetype_data1_index ON data (mimetype_id,data1);
378 CREATE INDEX data_raw_contact_id ON data (raw_contact_id);
379 CREATE UNIQUE INDEX mime_type ON mimetypes (mimetype);
380 CREATE INDEX raw_contact_sort_key1_index ON raw_contacts (sort_key);
381 CREATE INDEX raw_contact_sort_key2_index ON raw_contacts (sort_key_alt);
382 CREATE INDEX raw_contacts_contact_id_index ON raw_contacts (contact_id);
383 CREATE INDEX raw_contacts_source_id_account_id_index
384 ON raw_contacts (sourceid, account_id);
385 ANALYZE sqlite_master;
386 INSERT INTO sqlite_stat1
387 VALUES('raw_contacts','raw_contact_sort_key2_index','1600 4');
388 INSERT INTO sqlite_stat1
389 VALUES('raw_contacts','raw_contact_sort_key1_index','1600 4');
390 INSERT INTO sqlite_stat1
391 VALUES('raw_contacts','raw_contacts_source_id_account_id_index',
393 INSERT INTO sqlite_stat1
394 VALUES('raw_contacts','raw_contacts_contact_id_index','1600 1');
395 INSERT INTO sqlite_stat1 VALUES('mimetypes','mime_type','12 1');
396 INSERT INTO sqlite_stat1
397 VALUES('data','data_mimetype_data1_index','9819 2455 3');
398 INSERT INTO sqlite_stat1 VALUES('data','data_raw_contact_id','9819 7');
399 INSERT INTO sqlite_stat1 VALUES('accounts',NULL,'1');
400 DROP TABLE IF EXISTS sqlite_stat3;
401 ANALYZE sqlite_master;
405 data JOIN mimetypes ON (data.mimetype_id=mimetypes._id)
406 JOIN raw_contacts ON (data.raw_contact_id=raw_contacts._id)
407 JOIN accounts ON (raw_contacts.account_id=accounts._id)
408 WHERE mimetype_id=10 AND data14 IS NOT NULL;
409 } {/SEARCH TABLE data .*SEARCH TABLE raw_contacts/}
410 do_execsql_test autoindex1-801 {
413 data JOIN mimetypes ON (data.mimetype_id=mimetypes._id)
414 JOIN raw_contacts ON (data.raw_contact_id=raw_contacts._id)
415 JOIN accounts ON (raw_contacts.account_id=accounts._id)
416 WHERE mimetypes._id=10 AND data14 IS NOT NULL;
417 } {/SEARCH TABLE data .*SEARCH TABLE raw_contacts/}
419 # Another test case from an important user of SQLite. The key feature of
420 # this test is that the "aggindex" subquery should make use of an
421 # automatic index. If it does, the query is fast. If it does not, the
422 # query is deathly slow. It worked OK in 3.7.17 but started going slow
423 # with version 3.8.0. The problem was fixed for 3.8.7 by reducing the
424 # cost estimate for automatic indexes on views and subqueries.
429 do_execsql_test autoindex1-900 {
430 CREATE TABLE messages (ROWID INTEGER PRIMARY KEY AUTOINCREMENT, message_id, document_id BLOB, in_reply_to, remote_id INTEGER, sender INTEGER, subject_prefix, subject INTEGER, date_sent INTEGER, date_received INTEGER, date_created INTEGER, date_last_viewed INTEGER, mailbox INTEGER, remote_mailbox INTEGER, original_mailbox INTEGER, flags INTEGER, read, flagged, size INTEGER, color, encoding, type INTEGER, pad, conversation_id INTEGER DEFAULT -1, snippet TEXT DEFAULT NULL, fuzzy_ancestor INTEGER DEFAULT NULL, automated_conversation INTEGER DEFAULT 0, root_status INTEGER DEFAULT -1, conversation_position INTEGER DEFAULT -1);
431 CREATE INDEX date_index ON messages(date_received);
432 CREATE INDEX date_last_viewed_index ON messages(date_last_viewed);
433 CREATE INDEX date_created_index ON messages(date_created);
434 CREATE INDEX message_message_id_mailbox_index ON messages(message_id, mailbox);
435 CREATE INDEX message_document_id_index ON messages(document_id);
436 CREATE INDEX message_read_index ON messages(read);
437 CREATE INDEX message_flagged_index ON messages(flagged);
438 CREATE INDEX message_mailbox_index ON messages(mailbox, date_received);
439 CREATE INDEX message_remote_mailbox_index ON messages(remote_mailbox, remote_id);
440 CREATE INDEX message_type_index ON messages(type);
441 CREATE INDEX message_conversation_id_conversation_position_index ON messages(conversation_id, conversation_position);
442 CREATE INDEX message_fuzzy_ancestor_index ON messages(fuzzy_ancestor);
443 CREATE INDEX message_subject_fuzzy_ancestor_index ON messages(subject, fuzzy_ancestor);
444 CREATE INDEX message_sender_subject_automated_conversation_index ON messages(sender, subject, automated_conversation);
445 CREATE INDEX message_sender_index ON messages(sender);
446 CREATE INDEX message_root_status ON messages(root_status);
447 CREATE TABLE subjects (ROWID INTEGER PRIMARY KEY, subject COLLATE RTRIM, normalized_subject COLLATE RTRIM);
448 CREATE INDEX subject_subject_index ON subjects(subject);
449 CREATE INDEX subject_normalized_subject_index ON subjects(normalized_subject);
450 CREATE TABLE addresses (ROWID INTEGER PRIMARY KEY, address COLLATE NOCASE, comment, UNIQUE(address, comment));
451 CREATE INDEX addresses_address_index ON addresses(address);
452 CREATE TABLE mailboxes (ROWID INTEGER PRIMARY KEY, url UNIQUE, total_count INTEGER DEFAULT 0, unread_count INTEGER DEFAULT 0, unseen_count INTEGER DEFAULT 0, deleted_count INTEGER DEFAULT 0, unread_count_adjusted_for_duplicates INTEGER DEFAULT 0, change_identifier, source INTEGER, alleged_change_identifier);
453 CREATE INDEX mailboxes_source_index ON mailboxes(source);
454 CREATE TABLE labels (ROWID INTEGER PRIMARY KEY, message_id INTEGER NOT NULL, mailbox_id INTEGER NOT NULL, UNIQUE(message_id, mailbox_id));
455 CREATE INDEX labels_message_id_mailbox_id_index ON labels(message_id, mailbox_id);
456 CREATE INDEX labels_mailbox_id_index ON labels(mailbox_id);
459 SELECT messages.ROWID,
462 messages.date_received,
467 messages.date_last_viewed,
468 messages.subject_prefix,
474 messages.original_mailbox,
478 messages.document_id,
481 messages.conversation_id,
482 messages.conversation_position,
484 FROM mailboxes AS mailbox
485 JOIN messages ON mailbox.ROWID = messages.mailbox
486 LEFT OUTER JOIN subjects ON messages.subject = subjects.ROWID
487 LEFT OUTER JOIN addresses AS sender ON messages.sender = sender.ROWID
489 SELECT message_id, group_concat(mailbox_id) as labels
490 FROM labels GROUP BY message_id
491 ) AS agglabels ON messages.ROWID = agglabels.message_id
492 WHERE (mailbox.url = 'imap://email.app@imap.gmail.com/%5BGmail%5D/All%20Mail')
493 AND (messages.ROWID IN (
494 SELECT labels.message_id
495 FROM labels JOIN mailboxes ON labels.mailbox_id = mailboxes.ROWID
496 WHERE mailboxes.url = 'imap://email.app@imap.gmail.com/INBOX'))
497 AND messages.mailbox in (6,12,18,24,30,36,42,1,7,13,19,25,31,37,43,2,8,
498 14,20,26,32,38,3,9,15,21,27,33,39,4,10,16,22,28,
499 34,40,5,11,17,23,35,41)
500 ORDER BY date_received DESC;
501 } {/agglabels USING AUTOMATIC COVERING INDEX/}
503 # A test case for VIEWs
505 do_execsql_test autoindex1-901 {
506 CREATE TABLE t1(x INTEGER PRIMARY KEY, y, z);
507 CREATE TABLE t2(a, b);
508 CREATE VIEW agg2 AS SELECT a, sum(b) AS m FROM t2 GROUP BY a;
511 FROM t1 JOIN agg2 ON t1.y=agg2.m
512 WHERE t1.x IN (1,2,3);
513 } {/USING AUTOMATIC COVERING INDEX/}
515 # 2015-04-15: A NULL CollSeq pointer in automatic index creation.
517 do_execsql_test autoindex1-920 {
518 CREATE TABLE t920(x);
519 INSERT INTO t920 VALUES(3),(4),(5);
520 SELECT * FROM t920,(SELECT 0 FROM t920),(VALUES(9)) WHERE 5 IN (x);
521 } {5 0 9 5 0 9 5 0 9}
523 #-------------------------------------------------------------------------
524 # An IS term from the WHERE clause of a LEFT JOIN cannot be used as an
525 # index driver for the RHS of a LEFT JOIN. Prior to this being fixed,
526 # the following SELECT count(*) would incorrectly return 1.
528 do_execsql_test autoindex1-1010 {
531 INSERT INTO t11 VALUES(NULL);
532 INSERT INTO t12 VALUES('notnull');
534 do_execsql_test autoindex1-1020 {
535 SELECT count(*) FROM t11 LEFT JOIN t12 WHERE t12.y IS t11.w;