[GitHub] carbondata pull request #1581: [CARBONDATA-1779] GenericVectorizedReader

[chenliang613]

Github user chenliang613 commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/1581#discussion_r155440197
  
    --- Diff: 
integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonTableReader.java
 ---
    @@ -95,12 +99,12 @@
        * A cache for Carbon reader, with this cache,
        * metadata of a table is only read from file system once.
        */
    -  private ConcurrentHashMap<SchemaTableName, CarbonTableCacheModel> cc;
    +  private AtomicReference<HashMap<SchemaTableName, CarbonTableCacheModel>> 
cc;
    --- End diff --
    
    the name "cc" also need to change.


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