mirror of
https://github.com/berkeleydb/libdb.git
synced 2024-11-17 09:36:24 +00:00
57 lines
1.5 KiB
Text
57 lines
1.5 KiB
Text
# 2008 December 23
|
|
#
|
|
# The author disclaims copyright to this source code. In place of
|
|
# a legal notice, here is a blessing:
|
|
#
|
|
# May you do good and not evil.
|
|
# May you find forgiveness for yourself and forgive others.
|
|
# May you share freely, never taking more than you give.
|
|
#
|
|
#***********************************************************************
|
|
# This file implements regression tests for SQLite library. The focus
|
|
# is testing of where.c. More specifically, the focus is the optimization
|
|
# of WHERE clauses that feature the OR operator.
|
|
#
|
|
# $Id: where8m.test,v 1.3 2009/06/05 17:09:12 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
source $testdir/malloc_common.tcl
|
|
|
|
do_malloc_test where8m-1 -sqlprep {
|
|
CREATE TABLE t1(a, b, c);
|
|
CREATE INDEX i1 ON t1(a);
|
|
CREATE INDEX i2 ON t1(b);
|
|
} -sqlbody {
|
|
SELECT c FROM t1
|
|
WHERE
|
|
a = 2 OR b = 'three' OR a = 4 OR b = 'five' OR a = 6 OR
|
|
b = 'seven' OR a = 8 OR b = 'nine' OR a = 10
|
|
ORDER BY rowid;
|
|
|
|
SELECT c FROM t1 WHERE
|
|
a = 1 OR a = 2 OR a = 3 OR a = 4 OR a = 5 OR a = 6;
|
|
|
|
SELECT c FROM t1 WHERE
|
|
a BETWEEN 1 AND 3 AND b < 5 AND b > 2 AND c = 4;
|
|
}
|
|
|
|
do_malloc_test where8m-2 -tclprep {
|
|
db eval {
|
|
BEGIN;
|
|
CREATE TABLE t1(a, b, c);
|
|
CREATE INDEX i1 ON t1(a);
|
|
CREATE INDEX i2 ON t1(b);
|
|
}
|
|
for {set i 0} {$i < 1000} {incr i} {
|
|
set ii [expr $i*$i]
|
|
set iii [expr $i*$i]
|
|
db eval { INSERT INTO t1 VALUES($i, $ii, $iii) }
|
|
}
|
|
db eval COMMIT
|
|
} -sqlbody {
|
|
SELECT count(*) FROM t1 WHERE a BETWEEN 5 AND 995 OR b BETWEEN 5 AND 900000;
|
|
}
|
|
|
|
finish_test
|