/* Copyright (C) 2014 InfiniDB, 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 Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

/***********************************************************************
 *   $Id: treenode.cpp 9317 2013-03-19 21:37:22Z dhall $
 *
 *
 ***********************************************************************/
/** @file */

#include <unistd.h>
#include <string>
#include <exception>
#include <typeinfo>
#include <cstring>

#include "bytestream.h"
#include "treenode.h"
#include "objectreader.h"

using namespace std;
namespace execplan
{
/**
 * Constructors/Destructors
 */
TreeNode::TreeNode() : fDerivedTable(""), fRefCount(0), fDerivedRefCol(NULL)
{
  memset(tmp, 0, 312);
}

TreeNode::TreeNode(const TreeNode& rhs)
 : fResult(rhs.fResult)
 , fResultType(rhs.resultType())
 , fOperationType(rhs.operationType())
 , fDerivedTable(rhs.derivedTable())
 , fRefCount(rhs.refCount())
 , fDerivedRefCol(rhs.derivedRefCol())
{
  memcpy(tmp, rhs.tmp, 312);
}

TreeNode::~TreeNode()
{
}

void TreeNode::resultType(const execplan::CalpontSystemCatalog::ColType& resultType)
{
  fResultType = resultType;

  // set scale/precision for the result
  if (fResultType.colDataType == execplan::CalpontSystemCatalog::DECIMAL ||
      fResultType.colDataType == execplan::CalpontSystemCatalog::UDECIMAL)
  {
    fResult.decimalVal.scale = fResultType.scale;
    fResult.decimalVal.precision = fResultType.precision;
  }
}

/**
 * ostream function
 */
ostream& operator<<(ostream& output, const TreeNode& rhs)
{
  output << rhs.toString();
  return output;
}

}  // namespace execplan