[GitHub] jt2594838 commented on a change in pull request #78: [IOTDB-30]Bug fix: use two maps to avoid getting wrong FileReader

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jt2594838 commented on a change in pull request #78: [IOTDB-30]Bug fix: use two maps to avoid getting wrong FileReader
URL: https://github.com/apache/incubator-iotdb/pull/78#discussion_r261107912
 
 

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 File path: iotdb/src/main/java/org/apache/iotdb/db/query/control/FileReaderManager.java
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 @@ -47,22 +47,26 @@
   private static final int MAX_CACHED_FILE_SIZE = 30000;
 
   /**
-   * the key of fileReaderMap is the file path and the value of fileReaderMap is the corresponding
+   * the key of closedFileReaderMap is the file path and the value of closedFileReaderMap is the corresponding
    * reader.
    */
-  private ConcurrentHashMap<String, TsFileSequenceReader> fileReaderMap;
+  private ConcurrentHashMap<String, TsFileSequenceReader> closedFileReaderMap;
+  private ConcurrentHashMap<String, TsFileSequenceReader> unclosedFileReaderMap;
 
 Review comment:
   added

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