You are viewing a plain text version of this content. The canonical link for it is here.
Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/11/10 10:34:50 UTC

[GitHub] [arrow-datafusion] timvw opened a new issue, #4166: Incorrect handling of column names

timvw opened a new issue, #4166:
URL: https://github.com/apache/arrow-datafusion/issues/4166

   **Describe the bug**
   Column name (casing) is not handled correctly.
   
   **To Reproduce**
   Have a (parquet) file with a column "featureValue". A simple "select * from alltypes_plain" returns
   
   +------------+
   | featureValue | 
   +------------+
   | 0.0000       | 
   
   When running "select * from alltypes_plain where featureValue <> 0" gives an error:
   
   Error: SchemaError(FieldNotFound { field: Column { relation: None, name: "featurevalue" }, valid_fields: Some(Column { relation: Some("alltypes_plain"), name: "featureValue" }]) })
   
   
   **Expected behavior**
   The column is correctly discovered as "featureValue" and not "featurevalue"
   


-- 
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: github-unsubscribe@arrow.apache.org.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org

[GitHub] [arrow-datafusion] timvw closed issue #4166: Incorrect handling of column names

Posted by GitBox <gi...@apache.org>.
timvw closed issue #4166: Incorrect handling of column names
URL: https://github.com/apache/arrow-datafusion/issues/4166


-- 
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: github-unsubscribe@arrow.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org

[GitHub] [arrow-datafusion] timvw commented on issue #4166: Incorrect handling of column names

Posted by GitBox <gi...@apache.org>.
timvw commented on issue #4166:
URL: https://github.com/apache/arrow-datafusion/issues/4166#issuecomment-1310128592

   Some further investigation makes me believes this is not a bug but consistent with postgres behavior.
   
   select * from alltypes_plain where "featureValue" <> 0 works as expected.
   
   
   
   
   


-- 
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: github-unsubscribe@arrow.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org