Z1Wu commented on issue #6673: URL: https://github.com/apache/incubator-gluten/issues/6673#issuecomment-2264389926
> ``` > SELECT if(user_type <> -1 ,user_id ,null) as a > from table > where partition_date='2024-07-01' order by a desc limit 10; > ``` > > Gluten Result: > > ``` > gluten > NULL > NULL > NULL > NULL > NULL > NULL > NULL > NULL > NULL > NULL > ``` > > Vanilla Result > > ``` > vanilla > dp_765265243 > dp_71942892 > dp_71942892 > dp_71942892 > dp_71942892 > dp_71942892 > dp_3779112707 > dp_3778736486 > dp_3778655687 > dp_3778588244 > ``` If the the old table's orc files lack of column name, it may be the same problem as https://github.com/apache/incubator-gluten/issues/5638 You can set `spark.gluten.sql.columnar.backend.velox.orc.scan.enabled=true` to fallback to vanilla orc scan operator as a workaround , but it may cause performance degradation. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
