the begginning

utils/funcexp/functor.cpp

@@ -0,0 +1,142 @@
+/* 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: functor.cpp 3898 2013-06-17 20:41:05Z rdempsey $
+*
+*
+****************************************************************************/
+#ifndef _MSC_VER
+#ifndef __STDC_FORMAT_MACROS
+#define __STDC_FORMAT_MACROS
+#endif
+#endif
+#include <inttypes.h>
+#include <string>
+#include <sstream>
+using namespace std;
+
+#include "joblisttypes.h"
+
+#include "dataconvert.h"
+using namespace dataconvert;
+
+#include "idberrorinfo.h"
+#include "errorids.h"
+#include "exceptclasses.h"
+using namespace logging;
+
+#include "functor.h"
+#include "funchelpers.h"
+
+using namespace funcexp;
+
+namespace funcexp
+{
+
+void Func::init()
+{
+	uint32_t fni = joblist::FLOATNULL;
+	float* fp = reinterpret_cast<float*>(&fni);
+	fFloatNullVal = *fp;
+
+	uint64_t dni = joblist::DOUBLENULL;
+	double* dp = reinterpret_cast<double*>(&dni);
+	fDoubleNullVal = *dp;
+
+}
+
+
+Func::Func()
+{
+	init();
+}
+
+
+Func::Func(const string& funcName) : fFuncName(funcName)
+{
+	init();
+}
+
+
+uint32_t Func::stringToDate(const string str)
+{
+	int64_t ret = DataConvert::stringToDate(str);
+	if (ret == -1)
+	{
+		Message::Args args;
+		args.add("date");
+		args.add(str);
+		unsigned errcode = ERR_INCORRECT_VALUE;
+		throw IDBExcept(IDBErrorInfo::instance()->errorMsg(errcode, args), errcode);
+	}
+
+	return ret;
+}
+
+
+uint64_t Func::stringToDatetime(const string str)
+{
+	int64_t ret = DataConvert::stringToDatetime(str);
+	if (ret == -1)
+	{
+		Message::Args args;
+		args.add("datetime");
+		args.add(str);
+		unsigned errcode = ERR_INCORRECT_VALUE;
+		throw IDBExcept(IDBErrorInfo::instance()->errorMsg(errcode, args), errcode);
+	}
+
+	return ret;
+}
+
+
+uint32_t Func::intToDate(int64_t i)
+{
+	if ((uint64_t) i > 0xFFFFFFFFL)
+		return ((((uint32_t) (i >> 32)) & 0xFFFFFFC0L) | 0x3E);
+
+	return i;
+}
+
+
+uint64_t Func::intToDatetime(int64_t i)
+{
+	if ((uint64_t) i < 0xFFFFFFFFL)
+		return (i << 32);
+
+	return i;
+}
+
+
+string Func::intToString(int64_t i)
+{
+    return helpers::intToString(i);
+}
+
+
+string Func::doubleToString(double d)
+{
+    return helpers::doubleToString(d);
+}
+
+
+} // namespace funcexp
+// vim:ts=4 sw=4:
+
+
+