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 <[email protected]> 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 BoundedSource is obsolete in favor of assembling your connector 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 < > [email protected]> 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 >> >> >> >>
