d1dd71fbd7
these unused includes were identified by clangd. see https://clangd.llvm.org/guides/include-cleaner#unused-include-warning for more details on the "Unused include" warning. Signed-off-by: Kefu Chai <kefu.chai@scylladb.com> Closes scylladb/scylladb#16889
78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*
|
|
* Copyright (C) 2016-present ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* SPDX-License-Identifier: AGPL-3.0-or-later
|
|
*/
|
|
|
|
#include "range_tombstone.hh"
|
|
|
|
#include <boost/range/algorithm/upper_bound.hpp>
|
|
#include <boost/range/numeric.hpp>
|
|
|
|
std::optional<range_tombstone> range_tombstone::apply(const schema& s, range_tombstone&& src)
|
|
{
|
|
bound_view::compare cmp(s);
|
|
if (tomb == src.tomb) {
|
|
if (cmp(end_bound(), src.end_bound())) {
|
|
end = std::move(src.end);
|
|
end_kind = src.end_kind;
|
|
}
|
|
return { };
|
|
}
|
|
if (tomb < src.tomb) {
|
|
std::swap(*this, src);
|
|
}
|
|
if (cmp(end_bound(), src.end_bound())) {
|
|
return range_tombstone(end, invert_kind(end_kind), std::move(src.end), src.end_kind, src.tomb);
|
|
}
|
|
return { };
|
|
}
|
|
|
|
position_in_partition_view range_tombstone::position() const {
|
|
return position_in_partition_view(position_in_partition_view::range_tombstone_tag_t(), start_bound());
|
|
}
|
|
|
|
position_in_partition_view range_tombstone::end_position() const {
|
|
return position_in_partition_view(position_in_partition_view::range_tombstone_tag_t(), end_bound());
|
|
}
|
|
|
|
void range_tombstone_accumulator::update_current_tombstone() {
|
|
_current_tombstone = boost::accumulate(_range_tombstones, _partition_tombstone, [] (tombstone t, const range_tombstone& rt) {
|
|
t.apply(rt.tomb);
|
|
return t;
|
|
});
|
|
}
|
|
|
|
void range_tombstone_accumulator::drop_unneeded_tombstones(const clustering_key_prefix& ck, int w) {
|
|
auto cmp = [&] (const range_tombstone& rt, const clustering_key_prefix& ck, int w) {
|
|
auto bv = rt.end_bound();
|
|
return _cmp(bv.prefix(), weight(bv.kind()), ck, w);
|
|
};
|
|
bool dropped = false;
|
|
while (!_range_tombstones.empty() && cmp(*_range_tombstones.begin(), ck, w)) {
|
|
dropped = true;
|
|
_range_tombstones.pop_front();
|
|
}
|
|
if (dropped) {
|
|
update_current_tombstone();
|
|
}
|
|
}
|
|
|
|
void range_tombstone_accumulator::apply(range_tombstone rt) {
|
|
drop_unneeded_tombstones(rt.start, weight(rt.start_kind));
|
|
_current_tombstone.apply(rt.tomb);
|
|
|
|
auto cmp = [&] (const range_tombstone& rt1, const range_tombstone& rt2) {
|
|
return _cmp(rt1.end_bound(), rt2.end_bound());
|
|
};
|
|
_range_tombstones.insert(boost::upper_bound(_range_tombstones, rt, cmp), std::move(rt));
|
|
}
|
|
|
|
void range_tombstone_accumulator::clear() {
|
|
_range_tombstones.clear();
|
|
_partition_tombstone = { };
|
|
_current_tombstone = { };
|
|
}
|