xref: /sqlite-3.40.0/test/whereI.test (revision 38d69855) 
1# 2014-03-31
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# The focus of this file is testing the OR optimization on WITHOUT ROWID
12# tables.
13#
14
15set testdir [file dirname $argv0]
16source $testdir/tester.tcl
17set ::testprefix whereI
18
19do_execsql_test 1.0 {
20  CREATE TABLE t1(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
21  INSERT INTO t1 VALUES(1, 'a', 'z');
22  INSERT INTO t1 VALUES(2, 'b', 'y');
23  INSERT INTO t1 VALUES(3, 'c', 'x');
24  INSERT INTO t1 VALUES(4, 'd', 'w');
25  CREATE INDEX i1 ON t1(b);
26  CREATE INDEX i2 ON t1(c);
27}
28
29do_eqp_test 1.1 {
30  SELECT a FROM t1 WHERE b='b' OR c='x'
31} {
32  0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b=?)}
33  0 0 0 {SEARCH TABLE t1 USING INDEX i2 (c=?)}
34}
35
36do_execsql_test 1.2 {
37  SELECT a FROM t1 WHERE b='b' OR c='x'
38} {2 3}
39
40do_execsql_test 1.3 {
41  SELECT a FROM t1 WHERE b='a' OR c='z'
42} {1}
43
44#----------------------------------------------------------------------
45# Try that again, this time with non integer PRIMARY KEY values.
46#
47do_execsql_test 2.0 {
48  CREATE TABLE t2(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
49  INSERT INTO t2 VALUES('i', 'a', 'z');
50  INSERT INTO t2 VALUES('ii', 'b', 'y');
51  INSERT INTO t2 VALUES('iii', 'c', 'x');
52  INSERT INTO t2 VALUES('iv', 'd', 'w');
53  CREATE INDEX i3 ON t2(b);
54  CREATE INDEX i4 ON t2(c);
55}
56
57do_eqp_test 2.1 {
58  SELECT a FROM t2 WHERE b='b' OR c='x'
59} {
60  0 0 0 {SEARCH TABLE t2 USING INDEX i3 (b=?)}
61  0 0 0 {SEARCH TABLE t2 USING INDEX i4 (c=?)}
62}
63
64do_execsql_test 2.2 {
65  SELECT a FROM t2 WHERE b='b' OR c='x'
66} {ii iii}
67
68do_execsql_test 2.3 {
69  SELECT a FROM t2 WHERE b='a' OR c='z'
70} {i}
71
72#----------------------------------------------------------------------
73# On a table with a multi-column PK.
74#
75do_execsql_test 3.0 {
76  CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID;
77
78  INSERT INTO t3 VALUES('f', 1, 1, 'o');
79  INSERT INTO t3 VALUES('o', 2, 1, 't');
80  INSERT INTO t3 VALUES('t', 1, 2, 't');
81  INSERT INTO t3 VALUES('t', 2, 2, 'f');
82
83  CREATE INDEX t3i1 ON t3(d);
84  CREATE INDEX t3i2 ON t3(a);
85
86  SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t'
87} {
88  2.1 2.2 1.2
89}
90
91finish_test
92