According to the codegen result, I think each field is invoked sequentially.
However, if you maintain internal state within your UDF, it is your responsibility to maintain the internal state consistency. Are you invoking external RPC in your "GetName" UDF method and that has to be async? -- Rong On Sat, Jan 12, 2019 at 11:42 PM Anil <anilsingh....@gmail.com> wrote: > Thanks Hequn!. Is it also thread safe when the same UDF is called multiple > times in the same record. > Is the UDF called sequentially for each fields a single record, I have a > query like - > select GetName(data.id, 'city'), GetName(data.id, 'zone') from ...... > > > > > -- > Sent from: > http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/ >
