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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 | |
15 set testdir [file dirname $argv0] | |
16 source $testdir/tester.tcl | |
17 set ::testprefix whereI | |
18 | |
19 do_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 | |
29 do_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 | |
36 do_execsql_test 1.2 { | |
37 SELECT a FROM t1 WHERE b='b' OR c='x' | |
38 } {2 3} | |
39 | |
40 do_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 # | |
47 do_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 | |
57 do_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 | |
64 do_execsql_test 2.2 { | |
65 SELECT a FROM t2 WHERE b='b' OR c='x' | |
66 } {ii iii} | |
67 | |
68 do_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 # | |
75 do_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 | |
91 finish_test | |
92 | |
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