Hi Juan, About "Optimization for Sharing Parser with Antlr Visitor", does the refactor have any roadmap or subtask that provides community developers to choose for contribution? This could attract more developers to contribute to parser refactoring.
Thanks, Nicholas On 2020/01/09 06:20:48, "Juan Pan" <panj...@apache.org> wrote: > Hi folks, > > > It is not common practice and prone to low performance that > `ExtractorEngine` and `FillerEngine` are used to get final SQL parsed result > based on AST generated by ANTLR at present. Upon investigation, we would like > to replace them with ANTLR visitor. > > > It is scheduled as a long-term task and a big change for our 5.x release, and > currently i am trying to do some basic work for our new branch[1]. After the > groundwork (Roughly estimated time is one week. ) is basically laid, we would > like to welcome anyone who is interested in it to join us for this wonderful > sharding parser. > > > Please watch this thread for follow-up. What’s more, welcome your any comment > and suggestion! > > > > > [1] > https://github.com/apache/incubator-shardingsphere/tree/sharding-parser-5.x > > > > > > > Juan Pan (Trista) > > Senior DBA & PPMC of Apache ShardingSphere(Incubating) > E-mail: panj...@apache.org > > > >
