File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test / where8m.test
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue Feb 21 17:04:16 2012 UTC (12 years, 10 months ago) by misho
Branches: sqlite3, MAIN
CVS tags: v3_7_10, HEAD
sqlite3

    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

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