Asynchronous flink connector based on the Lettuce, supporting sql join and sink, query caching and debugging.
support hmset
support flink 1.14
support select
1.support flink cdc 2.set ttl on first sink which key not exists 3.return null for field or val when the join don't hit
add support for setIfAbsent fixed the bug of async connection
fixed bug for sentinel mode
local debugging support Flink 1.15+
Specify the time at which the key expires.