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3919c541ac
* Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/****************************************************************************
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* $Id: func_length.cpp 3495 2013-01-21 14:09:51Z rdempsey $
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*
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*
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****************************************************************************/
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#include <cstdlib>
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#include <string>
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#include <sstream>
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using namespace std;
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#include "functor_int.h"
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#include "functioncolumn.h"
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using namespace execplan;
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#include "rowgroup.h"
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_length::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& resultType)
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{
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CalpontSystemCatalog::ColType ct;
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ct.colDataType = CalpontSystemCatalog::VARCHAR;
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ct.colWidth = 255;
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return ct;
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}
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int64_t Func_length::getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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CalpontSystemCatalog::ColType&)
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{
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if ((fp[0]->data()->resultType().colDataType == CalpontSystemCatalog::VARBINARY) ||
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(fp[0]->data()->resultType().colDataType == CalpontSystemCatalog::BLOB))
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return fp[0]->data()->getStrVal(row, isNull).length();
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return strlen(fp[0]->data()->getStrVal(row, isNull).c_str());
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}
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} // namespace funcexp
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