~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Sun Microsystems

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; version 2 of the License.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include "config.h"

#include <drizzled/item/ref.h>

#include <drizzled/item/ref_null_helper.h>

#include <drizzled/item/subselect.h>

namespace drizzled

{

double Item_ref_null_helper::val_real()

{

  assert(fixed == 1);

  double tmp= (*ref)->val_result();

  owner->was_null|= null_value= (*ref)->null_value;

  return tmp;

}

int64_t Item_ref_null_helper::val_int()

{

  assert(fixed == 1);

  int64_t tmp= (*ref)->val_int_result();

  owner->was_null|= null_value= (*ref)->null_value;

  return tmp;

}

my_decimal *Item_ref_null_helper::val_decimal(my_decimal *decimal_value)

{

  assert(fixed == 1);

  my_decimal *val= (*ref)->val_decimal_result(decimal_value);

  owner->was_null|= null_value= (*ref)->null_value;

  return val;

}

bool Item_ref_null_helper::val_bool()

{

  assert(fixed == 1);

  bool val= (*ref)->val_bool_result();

  owner->was_null|= null_value= (*ref)->null_value;

  return val;

}

String* Item_ref_null_helper::val_str(String* s)

{

  assert(fixed == 1);

  String* tmp= (*ref)->str_result(s);

  owner->was_null|= null_value= (*ref)->null_value;

  return tmp;

}

bool Item_ref_null_helper::get_date(DRIZZLE_TIME *ltime, uint32_t fuzzydate)

{

  return (owner->was_null|= null_value= (*ref)->get_date(ltime, fuzzydate));

}

void Item_ref_null_helper::print(String *str, enum_query_type query_type)

{

  str->append(STRING_WITH_LEN("<ref_null_helper>("));

  if (ref)

    (*ref)->print(str, query_type);

  else

    str->append('?');

  str->append(')');

}

} /* namespace drizzled */