zkytech commented on code in PR #4443: URL: https://github.com/apache/zeppelin/pull/4443#discussion_r945391927
########## livy/src/main/java/org/apache/zeppelin/livy/LivySparkSQLInterpreter.java: ########## @@ -141,6 +171,10 @@ public InterpreterResult interpret(String line, InterpreterContext context) { if (result.code() == InterpreterResult.Code.SUCCESS) { InterpreterResult result2 = new InterpreterResult(InterpreterResult.Code.SUCCESS); for (InterpreterResultMessage message : result.message()) { + // when sql content is "use xxx", message.getData() is "df: org.apache.spark.sql.DataFrame = []" + if (message.getType() == InterpreterResult.Type.TEXT && message.getData().equals("df: org.apache.spark.sql.DataFrame = []")){ Review Comment: I have made a change in the latest submit, func `parseSQLJsonOutput` will return empty List (means empty table without header) when result message is less than 2 lines, and **all empty table without header** will be replaced by text `success`. -- 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. To unsubscribe, e-mail: dev-unsubscr...@zeppelin.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org