JingsongLi commented on a change in pull request #8222: [FLINK-11518] 
[SQL/TABLE] Add partition related catalog APIs and implement them in 
GenericInMemoryCatalog
URL: https://github.com/apache/flink/pull/8222#discussion_r276926272
 
 

 ##########
 File path: 
flink-table/flink-table-common/src/main/java/org/apache/flink/table/catalog/CatalogTable.java
 ##########
 @@ -29,4 +32,15 @@
         * @return table statistics
         */
        TableStats getStatistics();
+
+       /**
+        * Check if the table is partitioend or not.
+        */
+       boolean isPartitioned();
+
+       /**
+        *
+        * @return
+        */
+       Set<String> getPartitionKeys() throws TableNotPartitionedException;
 
 Review comment:
   LinkedHashSet?

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