~drizzle-trunk/drizzle/development

642.1.11 by Lee
move functions from item.cc/item.h to item directory
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include <drizzled/server_includes.h>
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#include CSTDINT_H
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#include <drizzled/item/cache.h>
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#include <drizzled/item/cache_row.h>
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#include <drizzled/item/cache_int.h>
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#include <drizzled/item/cache_real.h>
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#include <drizzled/item/cache_decimal.h>
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#include <drizzled/item/cache_str.h>
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Item_cache* Item_cache::get_cache(const Item *item)
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{
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  switch (item->result_type()) {
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  case INT_RESULT:
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    return new Item_cache_int();
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  case REAL_RESULT:
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    return new Item_cache_real();
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  case DECIMAL_RESULT:
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    return new Item_cache_decimal();
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  case STRING_RESULT:
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    return new Item_cache_str(item);
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  case ROW_RESULT:
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    return new Item_cache_row();
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  default:
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    // should never be in real life
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    assert(0);
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    return 0;
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  }
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}
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void Item_cache::print(String *str, enum_query_type query_type)
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{
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  str->append(STRING_WITH_LEN("<cache>("));
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  if (example)
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    example->print(str, query_type);
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  else
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    Item::print(str, query_type);
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  str->append(')');
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}
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bool Item_cache::eq_def(Field *field)
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{
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  return cached_field ? cached_field->eq_def (field) : false;
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}
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