Hi guys. Sorry. I forgot to mention that.. I'm using python SDK.. Its seems that Java SDK looks like more mature, but i have no skill on that language.
I'm trying to extract data from postgres (Cloud SQL), make some agregations and save into BigQuery. Em sex, 27 de set de 2019 19:21, Pablo Estrada <pabl...@google.com> escreveu: > Hi Lucas! > Can you share more information about your use case? Java has JdbcIO. Maybe > that's all you need? Or perhaps you're using Python SDK? > Best > -P. > > On Fri, Sep 27, 2019 at 3:08 PM Eugene Kirpichov <kirpic...@google.com> > wrote: > >> Hi Lucas, >> Any reason why you can't use JdbcIO? >> You almost certainly should *not* use BoundedSource, nor Splittable DoFn >> for this. BoundedSource is obsolete in favor of assembling your connector >> from regular transforms and/or using an SDF, and SDF is an extremely >> advanced feature whose primary audience is Beam SDK authors. >> >> On Fri, Sep 27, 2019 at 2:52 PM Lucas Magalhães < >> lucas.magalh...@paralelocs.com.br> wrote: >> >>> Hi guys. >>> >>> I'm new on apache Beam and o would like some help to undestand some >>> behaviours. >>> >>> 1. Is there some performance issue when i'm reading data from a >>> relational database using a ParDo instead of BoundedSource? >>> >>> 2. If I'm going to implement a BoundedSource how does Beam manage the >>> connection? I need to open and close in every method, like split, read, >>> estimete size and so on?? >>> >>> 3. I read something about splittable dofn but i didnt fine instructions >>> about to How implement. Has anyone have something about ir? >>> >>> Thanks >>> >>> >>> >>>