zkytech commented on code in PR #4443:
URL: https://github.com/apache/zeppelin/pull/4443#discussion_r945385230
##########
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:
when sql content is DDL and tableWithUTFCharacter, message.getData() is:
```
df: org.apache.spark.sql.DataFrame = []
```
which will lead to OutOfIndexException at
[here](https://github.com/apache/zeppelin/blob/d2cdb77f6ae6a13ff9c770b82d7125270415a77c/livy/src/main/java/org/apache/zeppelin/livy/LivySparkSQLInterpreter.java?_pjax=%23js-repo-pjax-container%2C%20div%5Bitemtype%3D%22http%3A%2F%2Fschema.org%2FSoftwareSourceCode%22%5D%20main%2C%20%5Bdata-pjax-container%5D#L183)
when sql content is DDL and tableWithUTFCharacter, message.getData() is:
```
++
||
++
++
```
which means an empty table without header
> Why ignore this kind of message? What is the output if you run sql
statements in spark-sql client side?
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