the begginning

dbcon/execplan/treenode.cpp

@@ -0,0 +1,80 @@
+/* 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()),
+           fRegex (rhs.regex()),
+           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 */