Add header params to getResult

src/main/java/com/treasuredata/client/TDClient.java

@@ -748,10 +748,18 @@ public TDJob jobInfo(String jobId)
     @Override
     public <Result> Result jobResult(String jobId, TDResultFormat format, Function<InputStream, Result> resultStreamHandler)
             throws TDClientException
+    {
+        return jobResult(jobId, format, false, resultStreamHandler);
+    }
+
+    @Override
+    public <Result> Result jobResult(String jobId, TDResultFormat format, boolean includeHeader, Function<InputStream, Result> resultStreamHandler)
+            throws TDClientException
     {
         TDApiRequest request = TDApiRequest.Builder
                 .GET(buildUrl("/v3/job/result", jobId))
                 .addQueryParam("format", format.getName())
+                .addQueryParam("header", Boolean.toString(includeHeader))
                 .build();
         return httpClient.<Result>call(request, apiKeyCache, resultStreamHandler);
     }

src/main/java/com/treasuredata/client/TDClientApi.java

@@ -281,6 +281,20 @@ default <Result> Result jobResult(String jobId, TDResultFormat format, com.googl
      */
     <Result> Result jobResult(String jobId, TDResultFormat format, Function<InputStream, Result> resultStreamHandler);
 
+    /**
+     * Open an input stream to retrieve the job result.
+     * The input stream will be closed after this method
+     *
+     * You will receive an empty stream if the query has not finished yet.
+     *
+     * @param jobId
+     * @param format
+     * @param resultStreamHandler
+     * @param includeHeader
+     * @return
+     */
+    <Result> Result jobResult(String jobId, TDResultFormat format,  boolean includeHeader, Function<InputStream, Result> resultStreamHandler);
+
     // bulk import API
     List<TDBulkImportSession> listBulkImportSessions();