mirror of
https://github.com/apache/druid.git
synced 2025-02-12 04:55:12 +00:00
* lpad and rpad functions deal with empty pad Return null if the pad string used by the `lpad` and `rpad` functions is an empty string * Fix rpad * Match PostgreSQL behavior in SQL compliant null handling mode * Match PostgreSQL behavior for pad -ve len * address review comments