1 | #pragma once |
---|---|
2 | |
3 | #include <Storages/MergeTree/MergeTreeReaderStream.h> |
4 | #include <Storages/MergeTree/MergeTreeIndices.h> |
5 | #include <Storages/MergeTree/MergeTreeData.h> |
6 | |
7 | namespace DB |
8 | { |
9 | |
10 | class MergeTreeIndexReader |
11 | { |
12 | public: |
13 | MergeTreeIndexReader( |
14 | MergeTreeIndexPtr index_, |
15 | MergeTreeData::DataPartPtr part_, |
16 | size_t marks_count_, |
17 | const MarkRanges & all_mark_ranges_); |
18 | |
19 | void seek(size_t mark); |
20 | |
21 | MergeTreeIndexGranulePtr read(); |
22 | |
23 | private: |
24 | MergeTreeIndexPtr index; |
25 | MergeTreeReaderStream stream; |
26 | }; |
27 | |
28 | } |
29 |