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129 lines
2.9 KiB
C++
129 lines
2.9 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: funcexpwrapper.cpp 3495 2013-01-21 14:09:51Z rdempsey $
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//
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// C++ Implementation: funcexpwrapper
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//
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// Description:
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//
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//
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// Author: Patrick LeBlanc <pleblanc@calpont.com>, (C) 2009
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//
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// Copyright: See COPYING file that comes with this distribution
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//
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//
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#include "funcexpwrapper.h"
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#include "objectreader.h"
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using namespace messageqcpp;
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using namespace boost;
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using namespace rowgroup;
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using namespace execplan;
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namespace funcexp {
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FuncExpWrapper::FuncExpWrapper()
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{
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fe = FuncExp::instance();
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}
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FuncExpWrapper::FuncExpWrapper(const FuncExpWrapper &f)
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{
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uint32_t i;
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fe = FuncExp::instance();
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filters.resize(f.filters.size());
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for (i = 0; i < f.filters.size(); i++)
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filters[i].reset(new ParseTree(*(f.filters[i])));
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rcs.resize(f.rcs.size());
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for (i = 0; i < f.rcs.size(); i++)
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rcs[i].reset(f.rcs[i]->clone());
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}
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FuncExpWrapper::~FuncExpWrapper()
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{ }
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void FuncExpWrapper::operator=(const FuncExpWrapper &f)
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{
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uint32_t i;
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filters.resize(f.filters.size());
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for (i = 0; i < f.filters.size(); i++)
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filters[i].reset(new ParseTree(*(f.filters[i])));
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rcs.resize(f.rcs.size());
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for (i = 0; i < f.rcs.size(); i++)
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rcs[i].reset(f.rcs[i]->clone());
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}
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void FuncExpWrapper::serialize(ByteStream &bs) const
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{
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uint32_t i;
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bs << (uint32_t) filters.size();
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bs << (uint32_t) rcs.size();
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for (i = 0; i < filters.size(); i++)
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ObjectReader::writeParseTree(filters[i].get(), bs);
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for (i = 0; i < rcs.size(); i++)
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rcs[i]->serialize(bs);
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}
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void FuncExpWrapper::deserialize(ByteStream &bs)
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{
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uint32_t fCount, rcsCount, i;
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bs >> fCount;
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bs >> rcsCount;
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for (i = 0; i < fCount; i++)
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filters.push_back(shared_ptr<ParseTree>(ObjectReader::createParseTree(bs)));
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for (i = 0; i < rcsCount; i++) {
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ReturnedColumn *rc = (ReturnedColumn *) ObjectReader::createTreeNode(bs);
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rcs.push_back(shared_ptr<ReturnedColumn>(rc));
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}
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}
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bool FuncExpWrapper::evaluate(Row *r)
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{
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uint32_t i;
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for (i = 0; i < filters.size(); i++)
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if (!fe->evaluate(*r, filters[i].get()))
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return false;
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fe->evaluate(*r, rcs);
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return true;
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}
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void FuncExpWrapper::addFilter(const shared_ptr<ParseTree>& f)
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{
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filters.push_back(f);
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}
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void FuncExpWrapper::addReturnedColumn(const shared_ptr<ReturnedColumn>& rc)
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{
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rcs.push_back(rc);
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}
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};
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