the begginning

dbcon/dmlpackage/dmlcolumn.cpp

@@ -0,0 +1,119 @@
+/* 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: dmlcolumn.cpp 9210 2013-01-21 14:10:42Z rdempsey $
+*
+*
+***********************************************************************/
+
+#define DMLPKGCOLUMN_DLLEXPORT
+#include "dmlcolumn.h"
+#undef DMLPKGCOLUMN_DLLEXPORT
+
+#ifdef _MSC_VER
+#define strcasecmp stricmp
+#endif
+
+namespace dmlpackage
+{
+
+
+DMLColumn::DMLColumn()
+{}
+
+DMLColumn::DMLColumn(std::string name, std::string value, bool isFromCol, uint32_t funcScale,  bool isNULL)
+{
+    fName = name;
+    fData = value;
+    if (( strcasecmp(value.c_str(), "NULL") == 0) || (value.length() == 0) )
+    {
+          isNULL = true;
+    } 
+    fisNULL = isNULL;
+	fIsFromCol = isFromCol;
+	fFuncScale = funcScale;
+	
+}
+
+DMLColumn::DMLColumn(std::string name, std::vector<std::string>& valueList, bool isFromCol, uint32_t funcScale,  bool isNULL)
+{
+    fName = name;
+    fColValuesList = valueList;
+    fisNULL = isNULL;
+	fIsFromCol = isFromCol;
+	fFuncScale = funcScale;
+}
+
+DMLColumn::~DMLColumn()
+{}
+
+int DMLColumn::read(messageqcpp::ByteStream& bytestream)
+{
+    int retval = 1;
+    bytestream >> fName;
+	bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fisNULL);
+	uint32_t vectorSize;
+	bytestream >> vectorSize;
+	if (vectorSize > 0 )
+	{
+		for ( uint32_t i = 0; i < vectorSize; i++ )
+		{
+			std::string dataStr;
+			bytestream >> dataStr;
+		//	if ( !fisNULL  && (dataStr.length() == 0 ))
+		//		dataStr = (char) 0;
+			
+			fColValuesList.push_back( dataStr);
+		}
+		
+	}
+	else
+		bytestream >> fData; //deprecated.
+	
+	if ( (fColValuesList.size() <1) && (fColValuesList.size() > 0) ) //deprecated.
+		fData =fColValuesList[0] ; //deprecated.
+    //bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fisNULL);
+	bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsFromCol);
+	bytestream >> (uint32_t&) fFuncScale;
+    return retval;
+}
+
+int DMLColumn::write(messageqcpp::ByteStream& bytestream)
+{
+    int retval = 1;
+    bytestream << fName;
+	bytestream << static_cast<uint8_t>(fisNULL);
+	uint32_t vectorSize = fColValuesList.size();
+	bytestream << vectorSize;
+	if (vectorSize > 0 )
+	{
+		for ( uint32_t i = 0; i < vectorSize; i++ )
+		{
+			bytestream << fColValuesList[i];
+		}
+		
+	}
+	else
+		bytestream << fData; //deprecated.
+    //bytestream << static_cast<uint8_t>(fisNULL);
+	bytestream << static_cast<uint8_t>(fIsFromCol);
+	bytestream <<(uint32_t)fFuncScale;
+    return retval;
+}
+
+} //namespace dmlpackage