RowsCounter.cc

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/*
 * (C) Copyright 1996-2012 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */
 
#include "eckit/eckit.h"
#include "odc/core/MetaData.h"
#include "odc/core/TablesReader.h"
#include "odc/Reader.h"
#include "odc/RowsCounter.h"
 
using namespace eckit;
 
namespace odc {
 
unsigned long long RowsCounter::fastRowCount(const PathName &db)
{
    unsigned long long n = 0;
 
    core::TablesReader reader(db);
 
    auto it = reader.begin();
    auto end = reader.end();
    for (; it != end; ++it)
        n += it->rowCount();
    return n;
}
 
 
} // namespace odc