jychen7 opened a new pull request #519: URL: https://github.com/apache/arrow-datafusion/pull/519
# Which issue does this PR close? Closes #110 # What changes are included in this PR? similar to extract and resolve alias, we create new functions to extract and resolve positions (note: alias is resolve recursively, but position is resolve as a whole) # Are there any user-facing changes? no -- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
