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 left outer joins containing ON
14 # clauses that restrict the scope of the left term of the join.
17 set testdir [file dirname $argv0]
18 source $testdir/tester.tcl
25 CREATE TABLE t1(a integer primary key, b integer, c integer);
26 CREATE TABLE t2(x integer primary key, y);
27 CREATE TABLE t3(p integer primary key, q);
28 INSERT INTO t3 VALUES(11,'t3-11');
29 INSERT INTO t3 VALUES(12,'t3-12');
30 INSERT INTO t2 VALUES(11,'t2-11');
31 INSERT INTO t2 VALUES(12,'t2-12');
32 INSERT INTO t1 VALUES(1, 5, 0);
33 INSERT INTO t1 VALUES(2, 11, 2);
34 INSERT INTO t1 VALUES(3, 12, 1);
40 select * from t1 left join t2 on t1.b=t2.x and t1.c=1
42 } {1 5 0 {} {} 2 11 2 {} {} 3 12 1 12 t2-12}
45 select * from t1 left join t2 on t1.b=t2.x where t1.c=1
50 select * from t1 left join t2 on t1.b=t2.x and t1.c=1
51 left join t3 on t1.b=t3.p and t1.c=2
53 } {1 5 0 {} {} {} {} 2 11 2 {} {} 11 t3-11 3 12 1 12 t2-12 {} {}}
56 select * from t1 left join t2 on t1.b=t2.x and t1.c=1
57 left join t3 on t1.b=t3.p where t1.c=2
59 } {2 11 2 {} {} 11 t3-11}
66 INSERT INTO "ab" VALUES(1,2);
67 INSERT INTO "ab" VALUES(3,NULL);
70 INSERT INTO "xy" VALUES(2,3);
71 INSERT INTO "xy" VALUES(NULL,1);
73 execsql {SELECT * FROM xy LEFT JOIN ab ON 0}
74 } {2 3 {} {} {} 1 {} {}}
76 execsql {SELECT * FROM xy LEFT JOIN ab ON 1}
77 } {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}}
79 execsql {SELECT * FROM xy LEFT JOIN ab ON NULL}
80 } {2 3 {} {} {} 1 {} {}}
82 execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 0}
85 execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 0}
88 execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 0}
91 execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 1}
92 } {2 3 {} {} {} 1 {} {}}
94 execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 1}
95 } {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}}
97 execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 1}
98 } {2 3 {} {} {} 1 {} {}}
100 execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE NULL}
103 execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE NULL}
106 execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE NULL}
109 # Ticket https://www.sqlite.org/src/tktview/6f2222d550f5b0ee7ed37601
110 # Incorrect output on a LEFT JOIN.
112 do_execsql_test join5-3.1 {
113 DROP TABLE IF EXISTS t1;
114 DROP TABLE IF EXISTS t2;
115 DROP TABLE IF EXISTS t3;
117 INSERT INTO x1 VALUES(1);
118 CREATE TABLE x2(b NOT NULL);
119 CREATE TABLE x3(c, d);
120 INSERT INTO x3 VALUES('a', NULL);
121 INSERT INTO x3 VALUES('b', NULL);
122 INSERT INTO x3 VALUES('c', NULL);
123 SELECT * FROM x1 LEFT JOIN x2 LEFT JOIN x3 ON x3.d = x2.b;
125 do_execsql_test join5-3.2 {
126 DROP TABLE IF EXISTS t1;
127 DROP TABLE IF EXISTS t2;
128 DROP TABLE IF EXISTS t3;
129 DROP TABLE IF EXISTS t4;
130 DROP TABLE IF EXISTS t5;
131 CREATE TABLE t1(x text NOT NULL, y text);
132 CREATE TABLE t2(u text NOT NULL, x text NOT NULL);
133 CREATE TABLE t3(w text NOT NULL, v text);
134 CREATE TABLE t4(w text NOT NULL, z text NOT NULL);
135 CREATE TABLE t5(z text NOT NULL, m text);
136 INSERT INTO t1 VALUES('f6d7661f-4efe-4c90-87b5-858e61cd178b',NULL);
137 INSERT INTO t1 VALUES('f6ea82c3-2cad-45ce-ae8f-3ddca4fb2f48',NULL);
138 INSERT INTO t1 VALUES('f6f47499-ecb4-474b-9a02-35be73c235e5',NULL);
139 INSERT INTO t1 VALUES('56f47499-ecb4-474b-9a02-35be73c235e5',NULL);
140 INSERT INTO t3 VALUES('007f2033-cb20-494c-b135-a1e4eb66130c',
141 'f6d7661f-4efe-4c90-87b5-858e61cd178b');
144 INNER JOIN t1 ON t1.x= t3.v AND t1.y IS NULL
145 LEFT JOIN t4 ON t4.w = t3.w
146 LEFT JOIN t5 ON t5.z = t4.z
147 LEFT JOIN t2 ON t2.u = t5.m
148 LEFT JOIN t1 xyz ON xyz.y = t2.x;
149 } {007f2033-cb20-494c-b135-a1e4eb66130c f6d7661f-4efe-4c90-87b5-858e61cd178b f6d7661f-4efe-4c90-87b5-858e61cd178b {} {} {} {} {} {} {} {} {}}
150 do_execsql_test join5-3.3 {
151 DROP TABLE IF EXISTS x1;
152 DROP TABLE IF EXISTS x2;
153 DROP TABLE IF EXISTS x3;
155 INSERT INTO x1 VALUES(1);
156 CREATE TABLE x2(b NOT NULL);
157 CREATE TABLE x3(c, d);
158 INSERT INTO x3 VALUES('a', NULL);
159 INSERT INTO x3 VALUES('b', NULL);
160 INSERT INTO x3 VALUES('c', NULL);
161 SELECT * FROM x1 LEFT JOIN x2 JOIN x3 WHERE x3.d = x2.b;
164 # Ticket https://www.sqlite.org/src/tktview/c2a19d81652f40568c770c43 on
165 # 2015-08-20. LEFT JOIN and the push-down optimization.
167 do_execsql_test join5-4.1 {
171 UNION ALL SELECT 'banana'
175 UNION ALL SELECT 'banana'
176 ) b ON a.fruit=b.fruit
179 ) c ON b.fruit='banana';
180 } {apple apple {} banana banana 1}
181 do_execsql_test join5-4.2 {
183 FROM (SELECT 'apple' fruit UNION ALL SELECT 'banana')
184 LEFT JOIN (SELECT 1) ON fruit='banana';
185 } {apple {} banana 1}
187 #-------------------------------------------------------------------------
188 do_execsql_test 5.0 {
189 CREATE TABLE y1(x, y, z);
190 INSERT INTO y1 VALUES(0, 0, 1);
194 do_execsql_test 5.1 {
195 SELECT count(z) FROM y1 LEFT JOIN y2 ON x GROUP BY y;
198 do_execsql_test 5.2 {
199 SELECT count(z) FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x GROUP BY y;
202 do_execsql_test 5.3 {
203 CREATE VIEW v1 AS SELECT x, y, z FROM y1;
204 SELECT count(z) FROM v1 LEFT JOIN y2 ON x GROUP BY y;
207 do_execsql_test 5.4 {
208 SELECT count(z) FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x
211 do_execsql_test 5.5 {
212 SELECT * FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x
215 #-------------------------------------------------------------------------
218 do_execsql_test 6.1 {
220 INSERT INTO t1 VALUES(1);
222 CREATE TABLE t2(y INTEGER PRIMARY KEY,a,b);
223 INSERT INTO t2 VALUES(1,2,3);
224 CREATE INDEX t2a ON t2(a);
225 CREATE INDEX t2b ON t2(b);
228 do_execsql_test 6.2 {
229 SELECT * FROM t1 LEFT JOIN t2 ON a=2 OR b=3 WHERE y IS NULL;
232 do_execsql_test 6.3.1 {
234 INSERT INTO t3 VALUES(1);
235 CREATE TABLE t4(y, z);
236 SELECT ifnull(z, '!!!') FROM t3 LEFT JOIN t4 ON (x=y);
239 do_execsql_test 6.3.2 {
240 CREATE INDEX t4i ON t4(y, ifnull(z, '!!!'));
241 SELECT ifnull(z, '!!!') FROM t3 LEFT JOIN t4 ON (x=y);
244 # 2019-02-08 https://sqlite.org/src/info/4e8e4857d32d401f
246 do_execsql_test 6.100 {
247 CREATE TABLE t1(aa, bb);
248 CREATE INDEX t1x1 on t1(abs(aa), abs(bb));
249 INSERT INTO t1 VALUES(-2,-3),(+2,-3),(-2,+3),(+2,+3);
251 WHERE ((abs(aa)=1 AND 1=2) OR abs(aa)=2)
254 } {-2 -3 -2 3 2 -3 2 3}
256 #-------------------------------------------------------------------------
259 do_execsql_test 7.0 {
261 INSERT INTO t1 VALUES(1);
264 do_execsql_test 7.1 {
265 CREATE TABLE t2(x, y, z);
266 CREATE INDEX t2xy ON t2(x, y);
268 SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<50000
270 INSERT INTO t2 SELECT i/10, i, NULL FROM s;
275 SELECT * FROM t1 LEFT JOIN t2 ON (
276 t2.x = t1.x AND (t2.y=? OR (t2.y=? AND t2.z IS NOT NULL))
283 | `--SEARCH t2 USING INDEX t2xy (x=? AND y=?) LEFT-JOIN
285 `--SEARCH t2 USING INDEX t2xy (x=? AND y=?) LEFT-JOIN
288 do_execsql_test 7.3 {
290 INSERT INTO t3(x) VALUES(1);
291 CREATE INDEX t3x ON t3(x);
293 CREATE TABLE t4(x, y, z);
294 CREATE INDEX t4xy ON t4(x, y);
295 CREATE INDEX t4xz ON t4(x, z);
297 WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<50000)
298 INSERT INTO t4 SELECT i/10, i, i FROM s;
301 UPDATE sqlite_stat1 SET stat='1000000 10 1' WHERE idx='t3x';
302 ANALYZE sqlite_schema;
305 # If both sides of the OR reference the right-hand side of the LEFT JOIN
306 # then simplify the LEFT JOIN.
309 SELECT * FROM t3 LEFT JOIN t4 ON (t4.x = t3.x) WHERE (t4.y = ? OR t4.z = ?);
313 `--SEARCH t3 USING COVERING INDEX t3x (x=?)
315 # If only one side of the OR references the right-hand side of the LEFT JOIN
316 # then do not do the simplification
319 SELECT * FROM t3 LEFT JOIN t4 ON (t4.x = t3.x) WHERE (t4.y = ? OR t3.x = ?);
323 `--SEARCH t4 USING INDEX t4xz (x=?) LEFT-JOIN
326 SELECT * FROM t3 LEFT JOIN t4 ON (t4.x = t3.x) WHERE (t3.x = ? OR t4.z = ?);
330 `--SEARCH t4 USING INDEX t4xz (x=?) LEFT-JOIN
333 SELECT * FROM t3 CROSS JOIN t4 ON (t4.x = t3.x) WHERE (+t4.y = ? OR t4.z = ?);
337 |--BLOOM FILTER ON t4 (x=?)
338 `--SEARCH t4 USING INDEX t4xz (x=?)
342 do_execsql_test 8.0 {
343 CREATE TABLE t0 (c0, c1, PRIMARY KEY (c0, c1));
344 CREATE TABLE t1 (c0);
346 INSERT INTO t1 VALUES (2);
348 INSERT INTO t0 VALUES(0, 10);
349 INSERT INTO t0 VALUES(1, 10);
350 INSERT INTO t0 VALUES(2, 10);
351 INSERT INTO t0 VALUES(3, 10);
354 do_execsql_test 8.1 {
356 WHERE (t0.c1 >= 1 OR t0.c1 < 1) AND t0.c0 IN (1, t1.c0) ORDER BY 1;
363 # 2022-01-31 dbsqlfuzz 787d9bd73164c6f0c85469e2e48b2aff19af6938
366 do_execsql_test 9.1 {
367 CREATE TABLE t1(a ,b FLOAT);
368 INSERT INTO t1 VALUES(1,1);
369 CREATE INDEX t1x1 ON t1(a,b,a,a,a,a,a,a,a,a,a,b);
370 ANALYZE sqlite_schema;
371 INSERT INTO sqlite_stat1 VALUES('t1','t1x1','648 324 81 81 81 81 81 81 81081 81 81 81');
372 ANALYZE sqlite_schema;
374 do_catchsql_test 9.2 {
376 (SELECT a FROM t1 NATURAL LEFT JOIN t1) NATURAL LEFT JOIN t1
377 WHERE (rowid,1)<=(5,0);
380 # 2022-03-02 https://sqlite.org/forum/info/50a1bbe08ce4c29c
381 # Bloom-filter pulldown is incompatible with skip-scan.
384 do_execsql_test 10.1 {
385 CREATE TABLE t1(x INT);
386 WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
387 INSERT INTO t1(x) SELECT 0 FROM c;
388 CREATE INDEX t1x1 ON t1(x BETWEEN 0 AND 10, x);
391 INSERT INTO t1 VALUES(0),(0);
392 CREATE VIEW v1 AS SELECT * FROM t1 NATURAL JOIN t1 WHERE (x BETWEEN 0 AND 10) OR true;
393 CREATE VIEW v2 AS SELECT * FROM v1 NATURAL JOIN v1;
394 CREATE VIEW v3 AS SELECT * FROM v2, v1 USING (x) GROUP BY x;
398 # 2022-03-24 https://sqlite.org/forum/forumpost/031e262a89b6a9d2
399 # Bloom-filter on a LEFT JOIN with NULL-based WHERE constraints.
402 do_execsql_test 11.1 {
403 CREATE TABLE t1(a INTEGER PRIMARY KEY, b INT);
404 CREATE TABLE t2(c INTEGER PRIMARY KEY, d INT);
405 WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<8)
406 INSERT INTO t1(a,b) SELECT x, 10*x FROM c;
407 INSERT INTO t2(c,d) SELECT b*2, 100*a FROM t1;
409 DELETE FROM sqlite_stat1;
410 INSERT INTO sqlite_stat1(tbl,idx,stat) VALUES
411 ('t1',NULL,150105),('t2',NULL,98747);
412 ANALYZE sqlite_schema;
414 do_execsql_test 11.2 {
415 SELECT count(*) FROM t1 LEFT JOIN t2 ON c=b WHERE d IS NULL;
417 do_execsql_test 11.3 {
418 SELECT count(*) FROM t1 LEFT JOIN t2 ON c=b WHERE d=100;
420 do_execsql_test 11.4 {
421 SELECT count(*) FROM t1 LEFT JOIN t2 ON c=b WHERE d>=300;
424 # 2022-05-03 https://sqlite.org/forum/forumpost/2482b32700384a0f
425 # Bloom-filter pull-down does not handle NOT NULL constraints correctly.
428 do_execsql_test 12.1 {
429 CREATE TABLE t1(a INT, b INT, c INT);
430 WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
431 INSERT INTO t1(a,b,c) SELECT x, x*1000, x*1000000 FROM c;
432 CREATE TABLE t2(b INT, x INT);
433 INSERT INTO t2(b,x) SELECT b, a FROM t1 WHERE a%3==0;
434 CREATE INDEX t2b ON t2(b);
435 CREATE TABLE t3(c INT, y INT);
436 INSERT INTO t3(c,y) SELECT c, a FROM t1 WHERE a%4==0;
437 CREATE INDEX t3c ON t3(c);
438 INSERT INTO t1(a,b,c) VALUES(200, 200000, NULL);
441 do_execsql_test 12.2 {
442 SELECT * FROM t1 NATURAL JOIN t2 NATURAL JOIN t3 WHERE x>0 AND y>0
445 12 12000 12000000 12 12
446 24 24000 24000000 24 24
447 36 36000 36000000 36 36
448 48 48000 48000000 48 48
449 60 60000 60000000 60 60
450 72 72000 72000000 72 72
451 84 84000 84000000 84 84
452 96 96000 96000000 96 96