timsaucer commented on code in PR #942: URL: https://github.com/apache/datafusion-python/pull/942#discussion_r1834213541
########## docs/source/user-guide/common-operations/expressions.rst: ########## @@ -110,6 +110,35 @@ This function returns an integer indicating the total number of elements in the In this example, the `num_elements` column will contain `3` for both rows. +To concatenate two arrays, you can use the function :py:func:`datafusion.functions.list_cat` or :py:func:`datafusion.functions.list_concat`. +These functions return a new array that is the concatenation of the input arrays. Review Comment: I recommend we change all references in this file to the `array_` versions rather than the `list_` versions since I think the primary method is `array_` and the `list_` version is a convenient alias. -- 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-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org