the begginning

dbcon/execplan/logicoperator.cpp

@@ -0,0 +1,134 @@
+/* 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: logicoperator.cpp 9210 2013-01-21 14:10:42Z rdempsey $
+*
+*
+***********************************************************************/
+#include <iostream>
+
+#include "bytestream.h"
+#include "objectreader.h"
+#include "logicoperator.h"
+
+using namespace std;
+
+namespace {
+    
+/**@brief util struct for converting string to lower case */
+struct to_lower
+{
+    char operator() (char c) const { return tolower(c); }
+};
+
+//Trim any leading/trailing ws
+const string lrtrim(const string& in)
+{
+	string::size_type p1;
+	p1 = in.find_first_not_of(" \t\n");
+	if (p1 == string::npos) p1 = 0;
+	string::size_type p2;
+	p2 = in.find_last_not_of(" \t\n");
+	if (p2 == string::npos) p2 = in.size() - 1;
+	return string(in, p1, (p2 - p1 + 1));
+}
+
+}
+
+namespace execplan {
+    
+/**
+ * Constructors/Destructors
+ */
+LogicOperator::LogicOperator()
+{
+}
+
+LogicOperator::LogicOperator(const string& operatorName)
+{
+	data(operatorName);
+}					
+
+LogicOperator::LogicOperator(const LogicOperator& rhs) : Operator(rhs)
+{
+	data(rhs.fData);
+}
+
+LogicOperator:: ~LogicOperator()
+{
+}
+
+/**
+ * Operations
+ */
+
+
+/**
+ * friend function
+ */
+ostream& operator<<(ostream &output, const LogicOperator& rhs) 
+{
+	output << rhs.toString();
+	return output;
+} 
+
+/**
+ * The serialization interface
+ */
+void LogicOperator::serialize(messageqcpp::ByteStream& b) const
+{
+	b << (ObjectReader::id_t) ObjectReader::LOGICOPERATOR;
+	//b << fData;
+	Operator::serialize(b);
+}
+
+void LogicOperator::unserialize(messageqcpp::ByteStream& b)
+{
+	ObjectReader::checkType(b, ObjectReader::LOGICOPERATOR);
+	//b >> fData;
+	Operator::unserialize(b);
+}
+
+bool LogicOperator::operator==(const LogicOperator& t) const
+{
+	if (fData == t.fData)
+		return true;
+	return false;
+}
+
+bool LogicOperator::operator==(const TreeNode* t) const
+{
+	const LogicOperator *o;
+
+	o = dynamic_cast<const LogicOperator*>(t);
+	if (o == NULL)
+		return false;
+	return *this == *o;
+}
+
+bool LogicOperator::operator!=(const LogicOperator& t) const
+{
+	return (!(*this == t));
+}
+
+bool LogicOperator::operator!=(const TreeNode* t) const
+{
+	return (!(*this == t));
+}
+
+}  // namespace