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80 lines
2.2 KiB
C++
80 lines
2.2 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_ucase.cpp 3923 2013-06-19 21:43:06Z bwilkinson $
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*
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*
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****************************************************************************/
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#include <string>
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using namespace std;
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#include "functor_str.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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using namespace rowgroup;
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#include "joblisttypes.h"
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using namespace joblist;
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class to_upper
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{
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public:
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char operator()(char c) const // notice the return type
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{
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return toupper(c);
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}
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};
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_ucase::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& /*resultType*/)
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{
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// operation type is not used by this functor
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return fp[0]->data()->resultType();
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}
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std::string Func_ucase::getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& colType)
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{
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const auto& tstr = fp[0]->data()->getStrVal(row, isNull);
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if (tstr.isNull())
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return "";
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CHARSET_INFO* cs = colType.getCharset();
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uint64_t inLen = tstr.length();
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#if MYSQL_VERSION_ID >= 101004
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uint64_t bufLen = inLen * cs->casedn_multiply();
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#else
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uint64_t bufLen = inLen * cs->casedn_multiply;
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#endif
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char* outBuf = new char[bufLen];
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uint64_t outLen = cs->caseup(tstr.str(), inLen, outBuf, bufLen);
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string ret = string(outBuf, outLen);
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delete[] outBuf;
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return ret;
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}
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} // namespace funcexp
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