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96 lines
3.4 KiB
96 lines
3.4 KiB
3 months ago
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/* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include <stddef.h>
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#include <boost/concept/usage.hpp>
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#include <boost/iterator/iterator_facade.hpp>
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#include <boost/move/utility_core.hpp>
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#include <boost/range/adaptor/argument_fwd.hpp>
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#include <boost/range/adaptor/filtered.hpp>
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#include <boost/range/adaptor/indexed.hpp>
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#include <boost/range/adaptor/transformed.hpp>
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#include <utility>
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#include <vector>
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#include "sql/item_geofunc.h"
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#include "sql/item_geofunc_internal.h"
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struct Rtree_value_maker {
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typedef std::pair<BG_box, size_t> result_type;
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template <typename T>
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result_type operator()(T const &v) const {
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BG_box box;
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make_bg_box(v.value(), &box);
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return result_type(box, v.index());
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}
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};
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struct Is_rtree_box_valid {
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typedef std::pair<BG_box, size_t> Rtree_entry;
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bool operator()(Rtree_entry const &re) const {
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return is_box_valid(re.first);
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}
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};
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void make_rtree(const BG_geometry_collection::Geometry_list &gl,
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Rtree_index *rtree) {
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Rtree_index temp_rtree(gl | boost::adaptors::indexed() |
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boost::adaptors::transformed(Rtree_value_maker()) |
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boost::adaptors::filtered(Is_rtree_box_valid()));
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rtree->swap(temp_rtree);
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}
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/*
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A functor to make an rtree value entry from an array element of
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Boost.Geometry model type.
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*/
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struct Rtree_value_maker_bggeom {
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typedef std::pair<BG_box, size_t> result_type;
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template <typename T>
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result_type operator()(T const &v) const {
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BG_box box;
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boost::geometry::envelope(v.value(), box);
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return result_type(box, v.index());
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}
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};
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template <typename MultiGeometry>
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void make_rtree_bggeom(const MultiGeometry &mg, Rtree_index *rtree) {
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Rtree_index temp_rtree(
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mg | boost::adaptors::indexed() |
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boost::adaptors::transformed(Rtree_value_maker_bggeom()) |
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boost::adaptors::filtered(Is_rtree_box_valid()));
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rtree->swap(temp_rtree);
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}
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// Explicit template instantiation
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template void make_rtree_bggeom<Gis_multi_line_string>(
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const Gis_multi_line_string &, Rtree_index *);
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template void make_rtree_bggeom<Gis_multi_point>(const Gis_multi_point &,
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Rtree_index *);
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template void make_rtree_bggeom<Gis_multi_polygon>(const Gis_multi_polygon &,
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Rtree_index *);
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