Hi, Boto.
It's already clear enough to me.
Thanks for your reply.
Best,
Yuepeng Pan
On 2024/04/25 15:41:01 João Boto wrote:
> Hi Pan,
>
> Users who wish to utilize only one database and prefer not to use
> flink-connector-jdbc-${version}.jar + ${database-connector-driver}.jar should
> opt for option 1: flink-connector-jdbc-core-${version}.jar +
> flink-connector-jdbc-mysql-${version}.jar + ${database-connector-driver}.jar.
>
> We could introduce a flink-connector-jdbc-mysql-${version}-fat.jar that
> includes flink-connector-jdbc-core-${version}.jar, but this could create
> potential challenges. This approach could lead to duplicate classes if a user
> intends to read from MySQL and write to PostgreSQL while utilizing both fat
> JARs simultaneously.
>
> To maintain clarity and minimize conflicts, we're currently leaning towards
> maintaining the existing structure, where flink-connector-jdbc-${version}.jar
> remains shaded for simplicity, encompassing the core functionality and all
> database-related features within the same JAR.
>
> Please let me know if you require further clarification on any aspect.
>
> Best regards,
> Joao Boto
>
>
>
> On 2024/04/25 11:41:00 Yuepeng Pan wrote:
> > Hi, Boto.
> >
> > Thanks for your driving it !
> > +1 from me on the proposal.
> >
> >
> >
> >
> > Maybe we need to ensure that a simple usage method is provided to users
> > after the refactoring.
> >
> > In the current situation, which supported database does the user intend to
> > use,
> >
> > Users only need to add the flink-connector-jdbc-${version}.jar +
> > ${database-connector-driver}.jar
> >
> > into the dependencies, which could be used out of the box.
> >
> > I noticed in FLIP that we will perform shadow related operations to ensure
> >
> > the same usage and semantics as before.
> >
> > So, if users only want to use one type of database (eg. MySQL),
> >
> > what forms would we plan to provide jars in?
> >
> > For example:
> >
> > 1. flink-connector-jdbc-core-${version}.jar +
> > flink-connector-jdbc-mysql-${version}.jar +
> > ${database-connector-driver}.jar.
> >
> > 2. Or flink-connector-jdbc-mysql-${version}.jar +
> > ${database-connector-driver}.jar.
> >
> > 3. Or a another different concise way?
> >
> >
> >
> >
> > Thank you.
> >
> > Best,
> > Yuepeng Pan
> >
> >
> >
> >
> > At 2024-04-25 16:54:13, "Joao Boto" <b...@boto.pro> wrote:
> > >Hi all,
> > >
> > >I'd like to start a discussion on FLIP-449: Reorganization of
> > >flink-connector-jdbc [1].
> > >As Flink continues to evolve, we've noticed an increasing level of
> > >complexity within the JDBC connector.
> > >The proposed solution is to address this complexity by separating the core
> > >functionality from individual database components, thereby streamlining the
> > >structure into distinct modules.
> > >
> > >Looking forward to your feedback and suggestions, thanks.
> > >Best regards,
> > >Joao Boto
> > >
> > >[1]
> > >https://cwiki.apache.org/confluence/display/FLINK/FLIP-449%3A+Reorganization+of+flink-connector-jdbc
> >
>
