[GitHub] [flink] WeiZhong94 commented on a change in pull request #8401: [FLINK-12407][python] Add all table operators align Java Table API.

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WeiZhong94 commented on a change in pull request #8401: [FLINK-12407][python] Add all table operators align Java Table API.
URL: https://github.com/apache/flink/pull/8401#discussion_r283622685
 
 

 ##########
 File path: flink-python/pyflink/table/table.py
 ##########
 @@ -106,6 +113,344 @@ def where(self, predicate):
         """
         return Table(self._j_table.where(predicate))
 
+    def group_by(self, fields):
+        """
+        Groups the elements on some grouping keys. Use this before a selection with aggregations
+        to perform the aggregation on a per-group basis. Similar to a SQL GROUP BY statement.
+
+        Example:
+        ::
+            >>> tab.group_by("key").select("key, value.avg")
+
+        :param fields: Group keys.
+        :return: The grouped table.
+        """
+        return GroupedTable(self._j_table.groupBy(fields))
+
+    def distinct(self):
+        """
+        Removes duplicate values and returns onl
 
 Review comment:
   Done.

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