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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* 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 <cassert>
#include <drizzled/function/num1.h>
namespace drizzled
{
/**
Set result type for a numeric function of one argument
(can be also used by a numeric function of many arguments, if the result
type depends only on the first argument)
*/
void Item_func_num1::find_num_type()
{
switch (hybrid_type= args[0]->result_type()) {
case INT_RESULT:
unsigned_flag= args[0]->unsigned_flag;
break;
case STRING_RESULT:
case REAL_RESULT:
hybrid_type= REAL_RESULT;
max_length= float_length(decimals);
break;
case DECIMAL_RESULT:
break;
case ROW_RESULT:
assert(0);
}
}
void Item_func_num1::fix_num_length_and_dec()
{
decimals= args[0]->decimals;
max_length= args[0]->max_length;
}
} /* namespace drizzled */
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