Return to where8m.test CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test

Annotation of embedaddon/sqlite3/test/where8m.test, revision 1.1

1.1     ! misho       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 1.3 2009/06/05 17:09:12 drh 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