Just catch an user case report from Giannis Polyzos for this usage: https://lists.apache.org/thread/qljwd40v5ntz6733cwcdr8s4z97b343b
Aitozi <gjying1...@gmail.com> 于2023年5月23日周二 17:45写道: > > Hi guys, > I want to bring up a discussion about adding support of User > Defined AsyncTableFunction in Flink. > Currently, async table function are special functions for table source > to perform > async lookup. However, it's worth to support the user defined async > table function. > Because, in this way, the end SQL user can leverage it to perform the > async operation > which is useful to maximum the system throughput especially for IO > bottleneck case. > > You can find some more detail in [1]. > > Looking forward to feedback > > > [1]: > https://cwiki.apache.org/confluence/display/FLINK/%5BFLIP-313%5D+Add+support+of+User+Defined+AsyncTableFunction > > Thanks, > Aitozi.