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

    https://github.com/apache/incubator-carbondata/pull/264#discussion_r95140944
  
    --- Diff: 
hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonInputFormat.java ---
    @@ -188,13 +194,26 @@ public static void setSegmentsToAccess(Configuration 
configuration, List<String>
             .set(CarbonInputFormat.INPUT_SEGMENT_NUMBERS, 
CarbonUtil.getSegmentString(validSegments));
       }
     
    -  private static AbsoluteTableIdentifier 
getAbsoluteTableIdentifier(Configuration configuration) {
    -    String dirs = configuration.get(INPUT_DIR, "");
    -    String[] inputPaths = StringUtils.split(dirs);
    -    if (inputPaths.length == 0) {
    -      throw new InvalidPathException("No input paths specified in job");
    +  private static AbsoluteTableIdentifier 
getAbsoluteTableIdentifier(Configuration configuration)
    +      throws IOException {
    +    CarbonTable carbonTable;
    +    String carbonTableStr = configuration.get(CARBON_TABLE);
    +    if (null == carbonTableStr) {
    --- End diff --
    
    divide functions as below.
    > populateCarbonTable
    > getCarbonTable will get and request populateCarbonTable if it doesnot 
exist in configuration
    > getAbsoluteTableIdentifier gets from 
getCarbonTable.getAbsoluteTableIdentifier.


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