the begginning

utils/funcexp/func_sysdate.cpp

@@ -0,0 +1,105 @@
+/* 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: Func_sysdate.cpp 2477 2011-04-01 16:07:35Z rdempsey $
+*
+*
+****************************************************************************/
+
+#include <cstdlib>
+#include <string>
+#include <sstream>
+using namespace std;
+
+#include "errorcodes.h"
+#include "idberrorinfo.h"
+#include "errorids.h"
+using namespace logging;
+
+#include "functor_dtm.h"
+#include "funchelpers.h"
+#include "functioncolumn.h"
+#include "rowgroup.h"
+using namespace execplan;
+
+#include "dataconvert.h"
+using namespace dataconvert;
+
+namespace funcexp
+{
+
+CalpontSystemCatalog::ColType Func_sysdate::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
+{
+	return resultType;
+}
+
+int64_t Func_sysdate::getIntVal(rowgroup::Row& row,
+							FunctionParm& parm,
+							bool& isNull,
+							CalpontSystemCatalog::ColType& operationColType)
+{
+	struct tm tmp_tm;
+	time_t now;
+	now = time(NULL);
+	localtime_r(&now, &tmp_tm);
+
+	dataconvert::DateTime aDatetime;
+	aDatetime.year = (tmp_tm.tm_year+1900) % 10000;
+	aDatetime.month = tmp_tm.tm_mon+1;
+	aDatetime.day = tmp_tm.tm_mday;
+	aDatetime.hour = tmp_tm.tm_hour;
+	aDatetime.minute = tmp_tm.tm_min;
+	aDatetime.second = tmp_tm.tm_sec;
+	aDatetime.msecond = 0;
+	return *(reinterpret_cast<uint64_t*>(&aDatetime));
+}
+
+string Func_sysdate::getStrVal(rowgroup::Row& row,
+							FunctionParm& parm,
+							bool& isNull,
+							CalpontSystemCatalog::ColType& operationColType)
+{
+	time_t now;
+	now = time(NULL);
+	struct tm tm;
+	localtime_r(&now, &tm);
+
+	char timestamp[80];
+	strftime (timestamp, 80, "%Y-%m-%d %H:%M:%S", &tm);
+	return timestamp;
+}
+
+int32_t Func_sysdate::getDateIntVal(rowgroup::Row& row,
+							FunctionParm& parm,
+							bool& isNull,
+							CalpontSystemCatalog::ColType& operationColType)
+{
+	return (((getIntVal(row, parm, isNull, operationColType) >> 32) & 0xFFFFFFC0) | 0x3E);
+}
+
+int64_t Func_sysdate::getDatetimeIntVal(rowgroup::Row& row,
+							FunctionParm& parm,
+							bool& isNull,
+							CalpontSystemCatalog::ColType& operationColType)
+{
+	return getIntVal(row, parm, isNull, operationColType);
+}
+
+
+} // namespace funcexp
+// vim:ts=4 sw=4: