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1 # 2014-10-24 | |
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 # | |
12 # This file implements regression tests for SQLite library. The | |
13 # focus of this script is testing automatic index creation logic, | |
14 # and specifically creation of automatic partial indexes. | |
15 # | |
16 | |
17 set testdir [file dirname $argv0] | |
18 source $testdir/tester.tcl | |
19 | |
20 do_execsql_test autoindex4-1.0 { | |
21 CREATE TABLE t1(a,b); | |
22 INSERT INTO t1 VALUES(123,'abc'),(234,'def'),(234,'ghi'),(345,'jkl'); | |
23 CREATE TABLE t2(x,y); | |
24 INSERT INTO t2 VALUES(987,'zyx'),(654,'wvu'),(987,'rqp'); | |
25 | |
26 SELECT *, '|' FROM t1, t2 WHERE a=234 AND x=987 ORDER BY +b; | |
27 } {234 def 987 rqp | 234 def 987 zyx | 234 ghi 987 rqp | 234 ghi 987 zyx |} | |
28 do_execsql_test autoindex4-1.1 { | |
29 SELECT *, '|' FROM t1, t2 WHERE a=234 AND x=555; | |
30 } {} | |
31 | |
32 do_execsql_test autoindex4-1.2 { | |
33 SELECT *, '|' FROM t1 LEFT JOIN t2 ON a=234 AND x=555; | |
34 } {123 abc {} {} | 234 def {} {} | 234 ghi {} {} | 345 jkl {} {} |} | |
35 do_execsql_test autoindex4-1.3 { | |
36 SELECT *, '|' FROM t1 LEFT JOIN t2 ON x=555 WHERE a=234; | |
37 } {234 def {} {} | 234 ghi {} {} |} | |
38 do_execsql_test autoindex4-1.4 { | |
39 SELECT *, '|' FROM t1 LEFT JOIN t2 WHERE a=234 AND x=555; | |
40 } {} | |
41 | |
42 | |
43 do_execsql_test autoindex4-2.0 { | |
44 CREATE TABLE t3(e,f); | |
45 INSERT INTO t3 VALUES(123,654),(555,444),(234,987); | |
46 | |
47 SELECT (SELECT count(*) FROM t1, t2 WHERE a=e AND x=f), e, f, '|' | |
48 FROM t3 | |
49 ORDER BY rowid; | |
50 } {1 123 654 | 0 555 444 | 4 234 987 |} | |
51 | |
52 # Ticket [2326c258d02ead33d] | |
53 # Two joins, one with and the other without an ORDER BY clause. | |
54 # The one without ORDER BY correctly returns two rows of result. | |
55 # The one with ORDER BY returns no rows. | |
56 # | |
57 do_execsql_test autoindex4-3.0 { | |
58 CREATE TABLE A(Name text); | |
59 CREATE TABLE Items(ItemName text , Name text); | |
60 INSERT INTO Items VALUES('Item1','Parent'); | |
61 INSERT INTO Items VALUES('Item2','Parent'); | |
62 CREATE TABLE B(Name text); | |
63 | |
64 SELECT Items.ItemName | |
65 FROM Items | |
66 LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy') | |
67 LEFT JOIN B ON (B.Name = Items.ItemName) | |
68 WHERE Items.Name = 'Parent' | |
69 ORDER BY Items.ItemName; | |
70 } {Item1 Item2} | |
71 do_execsql_test autoindex4-3.1 { | |
72 CREATE INDEX Items_x1 ON Items(ItemName,Name) WHERE ItemName = 'dummy'; | |
73 | |
74 SELECT Items.ItemName | |
75 FROM Items | |
76 LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy') | |
77 LEFT JOIN B ON (B.Name = Items.ItemName) | |
78 WHERE Items.Name = 'Parent' | |
79 ORDER BY Items.ItemName; | |
80 } {Item1 Item2} | |
81 | |
82 | |
83 finish_test | |
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