# 2007 Aug 29

#

# 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 test script checks that tickets #2784 and #2789 have been fixed.

# 

# $Id: mallocE.test,v 1.3 2008/02/18 22:24:58 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

source $testdir/malloc_common.tcl

# Only run these tests if memory debugging is turned on.

#

if {!$MEMDEBUG} {

   puts "Skipping mallocE tests: not compiled with -DSQLITE_MEMDEBUG..."

   finish_test

   return

}

# ticket #2784

#

set PREP { 

  PRAGMA page_size = 1024;

  CREATE TABLE t1(a, b, c);

  CREATE TABLE t2(x, y, z);

}

do_malloc_test mallocE-1 -sqlprep $PREP -sqlbody { 

  SELECT p, q FROM (SELECT a+b AS p, b+c AS q FROM t1, t2 WHERE c>5)

              LEFT JOIN t2 ON p=x;

}

# Ticket #2789

#

do_malloc_test mallocE-2 -sqlprep $PREP -sqlbody { 

  SELECT x, y2 FROM (SELECT a+b AS x, b+c AS y2 FROM t1, t2 WHERE c>5)

              LEFT JOIN t2 USING(x) WHERE y2>11;

}

finish_test