hannerwang opened a new pull request #2693:
URL: https://github.com/apache/calcite/pull/2693


   After this pr, JDBC adapter generates ORDER BY clause with the following 
preference:
   1. if dialect conformance support sort by ordinal, prefer ORDER BY ordinal.
   2. if dialect conformance support sort by alias, prefer ORDER BY alias.
   3. resolve to ORDER BY SELECT ITEM without as.
   
   Exceptions:
   1. if the ORDER BY clause is in WINDOW or WITHIN GROUP, always resolve to 
ORDER BY SELECT ITEM.
   2. if the ORDER BY ordinal is greater than size of SELECT LIST, always 
resolve to ORDER BY SELECT ITEM.


-- 
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]


Reply via email to