@Xingtong: The assumption for the mapping was that we only have dots and hyphens in the keys. Do you have an example for a key which include underscores? If underscores are common for keys (I couldn't find any existing options that use it), it would certainly be a blocker for the discussed approach.
On Tue, Jan 26, 2021, at 11:46 AM, Xintong Song wrote: > - The naming conversions proposed in the FLIP seems not bijective to me. > There could be problems if the configuration key contains underscores. > - a_b -> FLINK_CONFIG_a_b > - FLINK_CONFIG_a_b -> a.b
