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255e3959af
* support time travel Signed-off-by: fluorinedog <fluorinedog@gmail.com> * lint Signed-off-by: fluorinedog <fluorinedog@gmail.com>
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License
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#pragma once
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#include <common/Schema.h>
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#include <vector>
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#include <boost/dynamic_bitset.hpp>
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#include <utility>
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namespace milvus::segcore {
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class TimestampIndex {
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public:
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void
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set_length_meta(std::vector<int64_t> lengths);
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void
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build_with(const Timestamp* timestamps, int64_t size);
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// output bitset
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// Return range [beg, end) that is undecided
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// [0, beg) shall be all OK
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// [end, size) shall be all not OK
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std::pair<int64_t, int64_t>
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get_active_range(Timestamp query_timestamp) const;
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static boost::dynamic_bitset<>
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GenerateBitset(Timestamp query_timestamp,
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std::pair<int64_t, int64_t> active_range,
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const Timestamp* timestamps,
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int64_t size);
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private:
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// numSlice
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std::vector<int64_t> lengths_;
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int64_t size_;
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// numSlice + 1
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std::vector<int64_t> start_locs_;
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Timestamp min_timestamp_;
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Timestamp max_timestamp_;
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// numSlice + 1
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std::vector<Timestamp> timestamp_barriers_;
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};
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std::vector<int64_t>
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GenerateFakeSlices(const Timestamp* timestamps, int64_t size, int min_slice_length = 1);
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} // namespace milvus::segcore
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