[GitHub] [druid] LakshSingla commented on a change in pull request #11809: Make subquery IDs more comprehensive

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

LakshSingla commented on a change in pull request #11809:
URL: https://github.com/apache/druid/pull/11809#discussion_r741574999



##########
File path: processing/src/main/java/org/apache/druid/query/UnionQueryRunner.java
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@@ -93,4 +102,25 @@ public UnionQueryRunner(
     }
   }
 
+  /**
+   * Appends and returns the name and the position of the individual datasource in the union with the parent query id
+   * if preseent
+   *
+   * @param parentSubqueryId The subquery Id of the parent query which is generating this subquery
+   * @param dataSourceName   Name of the datasource for which the UnionRunner is running
+   * @param dataSourceIndex  Position of the datasource for which the UnionRunner is running
+   * @return Subquery Id which needs to be populated
+   */
+  private String generateSubqueryId(String parentSubqueryId, String dataSourceName, int dataSourceIndex)
+  {
+    final String DELIMITER = "-";
+    List<String> arr = new ArrayList<>();

Review comment:
       Updated the code, was leftover from my previous implementation.




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