imay commented on a change in pull request #2782: Add file cache for v2
URL: https://github.com/apache/incubator-doris/pull/2782#discussion_r373998213
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File path: be/src/olap/rowset/segment_v2/indexed_column_reader.h
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@@ -131,6 +140,10 @@ class IndexedColumnIterator {
std::unique_ptr<ParsedPage> _data_page;
// next_batch() will read from this position
rowid_t _current_rowid = 0;
+ // open file handle
+ std::unique_ptr<OpenedFileHandle<RandomAccessFile>> _file_handle;
+ // file to read
+ RandomAccessFile* _file;
Review comment:
```suggestion
RandomAccessFile* _file = nullptr;
```
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