[GitHub] [iotdb] RYH61 commented on a diff in pull request #7736: [IOTDB-4695] GROUP LEVEL query de-duplicates result columns unexpected

[GitBox <gi...@apache.org>]

RYH61 commented on code in PR #7736:
URL: https://github.com/apache/iotdb/pull/7736#discussion_r1005409804


##########
integration-test/src/test/java/org/apache/iotdb/db/it/aggregation/IoTDBAggregationByLevelIT.java:
##########
@@ -674,6 +675,25 @@ public void TestGroupByLevelWithoutAggregationFunc() {
     }
   }
 
+  @Test
+  public void groupByLevelWithSameColumn() throws SQLException {
+    String[] retArray = new String[] {"8", "8"};
+    try (Connection connection = EnvFactory.getEnv().getConnection();
+        Statement statement = connection.createStatement()) {
+
+      int cnt = 0;
+      try (ResultSet resultSet =
+          statement.executeQuery(
+              "select count(status),count(status) from root.*.* GROUP BY level=0")) {
+        while (resultSet.next()) {
+          String ans = resultSet.getString(count("root.*.*.status"));

Review Comment:
   `String[] retArray = new String[] {"8", "8"};`
   
   The results that already contain two columns should be changed here



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