Github user maropu commented on the issue:
https://github.com/apache/spark/pull/20858
Also, `postgresql` has the function `array_cat` for concatenating arrays,
so it might be better to make the behaviour the same with the `postgresql` one:
https://www.postgresql.org/docs/10/static/functions-array.html--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
