deniskuzZ commented on code in PR #5534:
URL: https://github.com/apache/hive/pull/5534#discussion_r1834503335


##########
llap-server/src/java/org/apache/hadoop/hive/llap/io/encoded/OrcEncodedDataReader.java:
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@@ -838,6 +847,7 @@ private void ensureRawDataReader(boolean isOpen) throws 
IOException {
       if (!isRawDataReaderOpen && isOpen) {
         long startTime = counters.startTimeCounter();
         rawDataReader.open();
+        isRawDataReaderOpen = true;

Review Comment:
   should we close the reader regardless of `isRawDataReaderOpen`?
   say somewhere in the middle of open we failed and pool.
   would be better if we expose IsOpen() method in `LlapDataReader` interface 
and drop the `isRawDataReaderOpen`
   



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