On Tue, 2024-07-30 at 20:46 +0530, sud wrote: > Now while loading transactions data we also get some reference data information from > source (for example customer information) and for these , we dont want to modify or > override the existing customer data but want to keep the old data with a flag as > inactive and the new record should get inserted with flag as active. So for such > use case , should we cater this inside the apache flink application code or should > we handle this using trigger on the table level which will execute on each INSERT > and execute this logic? > > I understand trigger is difficult to debug and monitor stuff. But here in this case , > team mates is saying , we shouldn't put such code logic into a streaming application > code so should rather handle through trigger. > > I understand, technically its possible bith the way, but want to understand experts > opinion on this and pros ans cons? It is largely a matter of taste. The advantage of a trigger is that it works even if somebody bypasses the application to insert data. I think that triggers are easy to debug, but again, that's a matter of taste. Yours, Laurenz Albe