~drizzle-trunk/drizzle/development

492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions 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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 *
1999.6.1 by kalebral at gmail
update Copyright strings to a more common format to help with creating the master debian copyright file
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 *  Copyright (C) 2008 Sun Microsystems, Inc.
492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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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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670.1.20 by Monty Taylor
Renamed functions to function... everything else is singular.
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#ifndef DRIZZLED_FUNCTION_ROLLUP_CONST_H
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#define DRIZZLED_FUNCTION_ROLLUP_CONST_H
492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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670.1.20 by Monty Taylor
Renamed functions to function... everything else is singular.
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#include <drizzled/function/func.h>
492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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namespace drizzled
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{
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492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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/*
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  Objects of this class are used for ROLLUP queries to wrap up
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  each constant item referred to in GROUP BY list.
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*/
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class Item_func_rollup_const :public Item_func
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{
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public:
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  Item_func_rollup_const(Item *a) :Item_func(a)
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  {
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    name= a->name;
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    name_length= a->name_length;
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  }
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  double val_real() { return args[0]->val_real(); }
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  int64_t val_int() { return args[0]->val_int(); }
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  String *val_str(String *str) { return args[0]->val_str(str); }
2030.1.4 by Brian Aker
Change my_decimal to Decimal
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  type::Decimal *val_decimal(type::Decimal *dec) { return args[0]->val_decimal(dec); }
492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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  const char *func_name() const { return "rollup_const"; }
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  bool const_item() const { return 0; }
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  Item_result result_type() const { return args[0]->result_type(); }
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  void fix_length_and_dec()
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  {
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    collation= args[0]->collation;
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    max_length= args[0]->max_length;
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    decimals=args[0]->decimals;
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    /* The item could be a NULL constant. */
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    null_value= args[0]->is_null();
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  }
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};
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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} /* namespace drizzled */
492.3.24 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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670.1.20 by Monty Taylor
Renamed functions to function... everything else is singular.
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#endif /* DRIZZLED_FUNCTION_ROLLUP_CONST_H */