1: # 2008 December 23
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: # This file implements regression tests for SQLite library. The focus
12: # is testing of where.c. More specifically, the focus is the optimization
13: # of WHERE clauses that feature the OR operator.
14: #
15: # $Id: where8m.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
16:
17: set testdir [file dirname $argv0]
18: source $testdir/tester.tcl
19:
20: source $testdir/malloc_common.tcl
21:
22: do_malloc_test where8m-1 -sqlprep {
23: CREATE TABLE t1(a, b, c);
24: CREATE INDEX i1 ON t1(a);
25: CREATE INDEX i2 ON t1(b);
26: } -sqlbody {
27: SELECT c FROM t1
28: WHERE
29: a = 2 OR b = 'three' OR a = 4 OR b = 'five' OR a = 6 OR
30: b = 'seven' OR a = 8 OR b = 'nine' OR a = 10
31: ORDER BY rowid;
32:
33: SELECT c FROM t1 WHERE
34: a = 1 OR a = 2 OR a = 3 OR a = 4 OR a = 5 OR a = 6;
35:
36: SELECT c FROM t1 WHERE
37: a BETWEEN 1 AND 3 AND b < 5 AND b > 2 AND c = 4;
38: }
39:
40: do_malloc_test where8m-2 -tclprep {
41: db eval {
42: BEGIN;
43: CREATE TABLE t1(a, b, c);
44: CREATE INDEX i1 ON t1(a);
45: CREATE INDEX i2 ON t1(b);
46: }
47: for {set i 0} {$i < 1000} {incr i} {
48: set ii [expr $i*$i]
49: set iii [expr $i*$i]
50: db eval { INSERT INTO t1 VALUES($i, $ii, $iii) }
51: }
52: db eval COMMIT
53: } -sqlbody {
54: SELECT count(*) FROM t1 WHERE a BETWEEN 5 AND 995 OR b BETWEEN 5 AND 900000;
55: }
56:
57: finish_test
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>