dawidwys commented on a change in pull request #11280: [FLINK-16377][table] Support inline user defined functions in expression dsl URL: https://github.com/apache/flink/pull/11280#discussion_r397679997
########## File path: flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/operations/utils/OperationTreeBuilder.java ########## @@ -471,9 +471,14 @@ public QueryOperation flatMap(Expression tableFunction, QueryOperation child) { throw new ValidationException("Only a table function can be used in the flatMap operator."); } - TypeInformation<?> resultType = ((TableFunctionDefinition) ((UnresolvedCallExpression) resolvedTableFunction) - .getFunctionDefinition()) - .getResultType(); + FunctionDefinition functionDefinition = ((UnresolvedCallExpression) resolvedTableFunction) + .getFunctionDefinition(); + if (!(functionDefinition instanceof TableFunctionDefinition)) { Review comment: Created https://issues.apache.org/jira/browse/FLINK-16769 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services