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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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123 lines
3.6 KiB
C++
123 lines
3.6 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_find_in_set.cpp 2675 2011-06-22 04:58:07Z chao $
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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 <boost/tokenizer.hpp>
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using namespace boost;
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#include "functor_int.h"
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#include "functioncolumn.h"
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#include "rowgroup.h"
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#include "calpontsystemcatalog.h"
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using namespace execplan;
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#include "dataconvert.h"
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#include "errorcodes.h"
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#include "idberrorinfo.h"
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#include "errorids.h"
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using namespace logging;
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_find_in_set::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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{
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return resultType;
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}
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int64_t Func_find_in_set::getIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& op_ct)
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{
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const string& searchStr = parm[0]->data()->getStrVal(row, isNull);
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if (isNull)
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return 0;
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const string& setString = parm[1]->data()->getStrVal(row, isNull);
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if (isNull)
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return 0;
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if (searchStr.find(",") != string::npos)
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return 0;
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string newSearchStr(searchStr.substr(0, strlen(searchStr.c_str())));
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string newSetString(setString.substr(0, strlen(setString.c_str())));
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//tokenize the setStr with comma as seprator.
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typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
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boost::char_separator<char> sep( ",");
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tokenizer tokens(newSetString, sep);
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unsigned i = 0;
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size_t pos = 0;
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for (tokenizer::iterator tok_iter = tokens.begin(); tok_iter != tokens.end(); ++tok_iter)
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{
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pos = (*tok_iter).find(newSearchStr);
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i++;
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if (( pos != string::npos) && (newSearchStr.length() == (*tok_iter).length()))
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return i;
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}
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return 0;
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}
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double Func_find_in_set::getDoubleVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& ct)
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{
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return (double)getIntVal(row, parm, isNull, ct);
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}
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string Func_find_in_set::getStrVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return intToString(getIntVal(row, parm, isNull, ct));
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}
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execplan::IDB_Decimal Func_find_in_set::getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct)
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{
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IDB_Decimal decimal;
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decimal.value = getIntVal(row, fp, isNull, op_ct);
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decimal.scale = op_ct.scale;
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return decimal;
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}
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} // namespace funcexp
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// vim:ts=4 sw=4:
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