Return to tkt2643.test CVS log

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

Annotation of embedaddon/sqlite3/test/tkt2643.test, revision 1.1

1.1     ! misho       1: # 2007 Sep 12
        !             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: #
        !            12: # This file is to test that ticket #2643 has been fixed.
        !            13: #
        !            14: # $Id: tkt2643.test,v 1.1 2007/09/13 17:54:41 drh Exp $
        !            15: #
        !            16: 
        !            17: # The problem in ticket #2643 has to do with the query optimizer
        !            18: # making bad assumptions about index cost when data from ANALYZE
        !            19: # is available.
        !            20: 
        !            21: set testdir [file dirname $argv0]
        !            22: source $testdir/tester.tcl
        !            23: 
        !            24: do_test tkt2643-1.1 {
        !            25:   execsql {
        !            26:     CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c);
        !            27:     INSERT INTO t1 VALUES(1,2,3);
        !            28:     INSERT INTO t1 VALUES(2,3,4);
        !            29:     ANALYZE;
        !            30:   }
        !            31:   db close
        !            32:   sqlite3 db test.db
        !            33:   execsql {
        !            34:     CREATE INDEX i1 ON t1(c);
        !            35:     SELECT count(*) FROM t1 WHERE c IS NOT NULL
        !            36:   }
        !            37: } {2}
        !            38: 
        !            39: finish_test