mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-18 21:44:02 +03:00
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copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival 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
50 lines
1.3 KiB
C++
50 lines
1.3 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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// $Id: wf_count.h 3868 2013-06-06 22:13:05Z xlou $
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#pragma once
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#include <set>
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#include "windowfunctiontype.h"
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namespace windowfunction
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{
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template <typename T>
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class WF_count : public WindowFunctionType
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{
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public:
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WF_count(int id, const std::string& name) : WindowFunctionType(id, name)
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{
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resetData();
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}
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// pure virtual in base
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void operator()(int64_t b, int64_t e, int64_t c);
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WindowFunctionType* clone() const;
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void resetData();
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static boost::shared_ptr<WindowFunctionType> makeFunction(int, const string&, int, WindowFunctionColumn*);
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protected:
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uint64_t fCount;
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std::set<T> fSet;
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};
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} // namespace windowfunction
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