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 #*************************************************************************
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.
17 set testdir [file dirname $argv0]
18 source $testdir/tester.tcl
20 do_execsql_test autoindex4-1.0 {
22 INSERT INTO t1 VALUES(123,'abc'),(234,'def'),(234,'ghi'),(345,'jkl');
24 INSERT INTO t2 VALUES(987,'zyx'),(654,'wvu'),(987,'rqp');
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;
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;
43 do_execsql_test autoindex4-2.0 {
45 INSERT INTO t3 VALUES(123,654),(555,444),(234,987);
47 SELECT (SELECT count(*) FROM t1, t2 WHERE a=e AND x=f), e, f, '|'
50 } {1 123 654 | 0 555 444 | 4 234 987 |}
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.
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);
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;
71 do_execsql_test autoindex4-3.1 {
72 CREATE INDEX Items_x1 ON Items(ItemName,Name) WHERE ItemName = 'dummy';
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;