[GitHub] [carbondata] xubo245 commented on a change in pull request #3301: [CARBONDATA-3446] Support read schema of complex data type from carbon file folder path

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xubo245 commented on a change in pull request #3301: [CARBONDATA-3446] Support read schema of complex data type from carbon file folder path
URL: https://github.com/apache/carbondata/pull/3301#discussion_r403982893
 
 

 ##########
 File path: store/sdk/src/test/java/org/apache/carbondata/sdk/file/CSVCarbonWriterTest.java
 ##########
 @@ -580,6 +578,91 @@ public void testWritingAndReadingStructOfFloat() throws IOException {
     }
   }
 
+  @Test
+  public void testWritingAndReadingArrayStruct() throws IOException {
+    String path = "./testWriteFilesArrayStruct";
+    FileUtils.deleteDirectory(new File(path));
+
+    Field[] fields = new Field[4];
+    fields[0] = new Field("id", DataTypes.STRING);
+    fields[1] = new Field("source", DataTypes.STRING);
+    fields[2] = new Field("usage", DataTypes.STRING);
+
+    List<StructField> structFieldsList = new ArrayList<>();
+    structFieldsList.add(new StructField("name", DataTypes.STRING));
+    structFieldsList.add(new StructField("type", DataTypes.STRING));
+    structFieldsList.add(new StructField("creation-time", DataTypes.STRING));
+    structFieldsList.add(new StructField("property", DataTypes.STRING));
+
+
+    StructField structTypeByList = new StructField("annotation", DataTypes.createStructType(structFieldsList));
+
+    List<StructField> list = new ArrayList<>();
+    list.add(structTypeByList);
+
+    Field arrayType = new Field("annotations", "array", list);
+    fields[3] = arrayType;
+    try {
+      CarbonWriterBuilder builder = CarbonWriter.builder().taskNo(5).outputPath(path);
+      CarbonWriter writer = builder.withCsvInput(new Schema(fields)).writtenBy("CSVCarbonWriterTest").build();
+      for (int i = 0; i < 15; i++) {
+        String[] row = new String[]{
+            "robot" + (i % 10),
+            String.valueOf(i),
+            String.valueOf(i + "." + i),
+            "sunflowers" + (i % 10) + "\002" + "modelarts/image_classification" + "\002" + "2019-03-30 17:22:31" + "\002" + "{\"@modelarts:start_index\":0,\"@modelarts:end_index\":5}"
+                + "\001" +
+                "roses" + (i % 10) + "\002" + "modelarts/image_classification" + "\002" + "2019-03-30 17:22:32" + "\002" + "{\"@modelarts:start_index\":0,\"@modelarts:end_index\":5}"};
+        writer.write(row);
+      }
+      writer.close();
+
+    } catch (Exception e) {
+      e.printStackTrace();
+      Assert.fail();
+    }
+
 
 Review comment:
   done

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