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 autoindex4-1.2-rj {
36 SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 ON a=234 AND x=555;
37 } {123 abc {} {} | 234 def {} {} | 234 ghi {} {} | 345 jkl {} {} |}
38 do_execsql_test autoindex4-1.3 {
39 SELECT *, '|' FROM t1 LEFT JOIN t2 ON x=555 WHERE a=234;
40 } {234 def {} {} | 234 ghi {} {} |}
41 do_execsql_test autoindex4-1.3-rj {
42 SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 ON x=555 WHERE a=234;
43 } {234 def {} {} | 234 ghi {} {} |}
44 do_execsql_test autoindex4-1.4 {
45 SELECT *, '|' FROM t1 LEFT JOIN t2 WHERE a=234 AND x=555;
47 do_execsql_test autoindex4-1.4-rj {
48 SELECT t1.*, t2.*, '|' FROM t2 RIGHT JOIN t1 WHERE a=234 AND x=555;
52 do_execsql_test autoindex4-2.0 {
54 INSERT INTO t3 VALUES(123,654),(555,444),(234,987);
56 SELECT (SELECT count(*) FROM t1, t2 WHERE a=e AND x=f), e, f, '|'
59 } {1 123 654 | 0 555 444 | 4 234 987 |}
61 # Ticket [2326c258d02ead33d]
62 # Two joins, one with and the other without an ORDER BY clause.
63 # The one without ORDER BY correctly returns two rows of result.
64 # The one with ORDER BY returns no rows.
66 do_execsql_test autoindex4-3.0 {
67 CREATE TABLE A(Name text);
68 CREATE TABLE Items(ItemName text , Name text);
69 INSERT INTO Items VALUES('Item1','Parent');
70 INSERT INTO Items VALUES('Item2','Parent');
71 CREATE TABLE B(Name text);
75 LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
76 LEFT JOIN B ON (B.Name = Items.ItemName)
77 WHERE Items.Name = 'Parent'
78 ORDER BY Items.ItemName;
80 do_execsql_test autoindex4-3.1 {
83 RIGHT JOIN Items ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
84 LEFT JOIN B ON (B.Name = Items.ItemName)
85 WHERE Items.Name = 'Parent'
86 ORDER BY Items.ItemName;
88 do_execsql_test autoindex4-3.10 {
89 CREATE INDEX Items_x1 ON Items(ItemName,Name) WHERE ItemName = 'dummy';
93 LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
94 LEFT JOIN B ON (B.Name = Items.ItemName)
95 WHERE Items.Name = 'Parent'
96 ORDER BY Items.ItemName;
98 do_execsql_test autoindex4-3.11 {
101 RIGHT JOIN Items ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
102 LEFT JOIN B ON (B.Name = Items.ItemName)
103 WHERE Items.Name = 'Parent'
104 ORDER BY Items.ItemName;
107 # 2021-11-30 - Enhancement to help the automatic index mechanism to
108 # create a partial index more often.
110 unset -nocomplain id data1 data2 jointype onclause whereclause answer
111 foreach {id data1 data2 jointype onclause whereclause answer} {
145 VALUES(1,2),(3,4),(NULL,4)
154 VALUES(1,2),(3,4),(NULL,4)
161 VALUES(1,2),(3,4),(NULL,4)
162 VALUES(1,2),(3,4),(NULL,4)
176 do_test autoindex4-4.$id.0 {
178 DROP TABLE IF EXISTS t1;
179 CREATE TABLE t1(a INT, b INT);
180 DROP TABLE IF EXISTS t2;
181 CREATE TABLE t2(x INT, y INT);
183 db eval "INSERT INTO t1(a,b) $data1;"
184 db eval "INSERT INTO t2(x,y) $data2;"
186 set sql "SELECT * FROM t1 $jointype t2 ON $onclause WHERE $whereclause"
188 do_test autoindex4-4.$id.1 {
189 db eval {PRAGMA automatic_index=ON;}
192 do_test autoindex4-4.$id.2 {
193 db eval {PRAGMA automatic_index=OFF;}