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 #***********************************************************************
11 # The focus of this file is testing the OR optimization on WITHOUT ROWID
15 set testdir [file dirname $argv0]
16 source $testdir/tester.tcl
17 set ::testprefix whereI
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);
30 SELECT a FROM t1 WHERE b='b' OR c='x'
34 |--SEARCH TABLE t1 USING INDEX i1 (b=?)
35 `--SEARCH TABLE t1 USING INDEX i2 (c=?)
39 SELECT a FROM t1 WHERE b='b' OR c='x'
43 SELECT a FROM t1 WHERE b='a' OR c='z'
46 #----------------------------------------------------------------------
47 # Try that again, this time with non integer PRIMARY KEY values.
50 CREATE TABLE t2(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
51 INSERT INTO t2 VALUES('i', 'a', 'z');
52 INSERT INTO t2 VALUES('ii', 'b', 'y');
53 INSERT INTO t2 VALUES('iii', 'c', 'x');
54 INSERT INTO t2 VALUES('iv', 'd', 'w');
55 CREATE INDEX i3 ON t2(b);
56 CREATE INDEX i4 ON t2(c);
60 SELECT a FROM t2 WHERE b='b' OR c='x'
64 |--SEARCH TABLE t2 USING INDEX i3 (b=?)
65 `--SEARCH TABLE t2 USING INDEX i4 (c=?)
69 SELECT a FROM t2 WHERE b='b' OR c='x'
73 SELECT a FROM t2 WHERE b='a' OR c='z'
76 #----------------------------------------------------------------------
77 # On a table with a multi-column PK.
80 CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID;
82 INSERT INTO t3 VALUES('f', 1, 1, 'o');
83 INSERT INTO t3 VALUES('o', 2, 1, 't');
84 INSERT INTO t3 VALUES('t', 1, 2, 't');
85 INSERT INTO t3 VALUES('t', 2, 2, 'f');
87 CREATE INDEX t3i1 ON t3(d);
88 CREATE INDEX t3i2 ON t3(a);
90 SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t'