[GitHub] [carbondata] xubo245 commented on a change in pull request #3819: [CARBONDATA-3855]support carbon SDK to load data from different files

[GitBox]

xubo245 commented on a change in pull request #3819:
URL: https://github.com/apache/carbondata/pull/3819#discussion_r464176692



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File path: sdk/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonWriterBuilder.java
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@@ -594,6 +614,428 @@ public CarbonWriterBuilder withJsonInput(Schema carbonSchema) {
     return this;
   }
 
+  private void validateCsvFiles() throws IOException {
+    File[] dataFiles = this.extractDataFiles();
+    for (File dataFile : dataFiles) {

Review comment:
       Whether dataFiles is null?




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