delei commented on code in PR #942:
URL: https://github.com/apache/fesod/pull/942#discussion_r3551558548


##########
fesod-sheet/src/test/java/org/apache/fesod/sheet/FesodSheetTest.java:
##########
@@ -247,4 +252,40 @@ void testReadSheet_withAllParams_shouldReturnBuilder() {
         ExcelReaderSheetBuilder builder = FesodSheet.readSheet(0, "DataSheet", 
100);
         Assertions.assertNotNull(builder);
     }
+
+    @Test
+    void testReadSheet_withColumnIndexes_shouldConfigureAll() {
+
+        java.util.List<java.util.List<String>> head = new 
java.util.ArrayList<>();
+        head.add(new ArrayList<>(Arrays.asList("ID")));
+        head.add(new ArrayList<>(Arrays.asList("Name")));
+        head.add(new ArrayList<>(Arrays.asList("Age")));
+        head.add(new ArrayList<>(Arrays.asList("Gender")));
+
+        List<List<Object>> dataList = new ArrayList<>();
+        dataList.add(Arrays.asList("1", "Alice", "30", "Female"));
+
+        
FesodSheet.write(tempFile).head(head).sheet("Sheet1").doWrite(dataList);
+
+        List<Integer> targetColumns = Arrays.asList(0, 2);
+
+        ExcelReaderSheetBuilder builder = FesodSheet.readSheetWithColumns(0, 
"Sheet1", 100, targetColumns);
+        ReadSheet configuredSheet = builder.build();
+        List<Map<Integer, String>> readResults =
+                FesodSheet.read(tempFile).sheet(configuredSheet).doReadSync();
+
+        // builder tests
+        Assertions.assertNotNull(builder, "Builder should not be null");
+        Assertions.assertNotNull(configuredSheet, "The internal ReadSheet 
should be created");
+        Assertions.assertEquals(1, configuredSheet.getSheetNo());
+        Assertions.assertEquals("Sheet1", configuredSheet.getSheetName());
+        Assertions.assertEquals(100, configuredSheet.getNumRows());
+        Assertions.assertEquals(targetColumns, 
configuredSheet.getIncludeColumnIndexes());
+        // data related tests
+        Assertions.assertNotNull(readResults);
+        Map<Integer, String> parsedRow = readResults.get(0);
+        Assertions.assertEquals("1", parsedRow.get(0));
+        Assertions.assertEquals("Alice", parsedRow.get(1));

Review Comment:
   ```java
   List<Integer> targetColumns = Arrays.asList(0, 2);
   ```
   
   The `targetColumns` variable has been set to only include columns 0 and 2, 
why are there three columns of data in the result?
   
   Is there any misunderstanding or unfinished code logic?
   



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