Hi Juan Pan I relpy your in the latest mail you sent, you may check out it.
Regards! Aron Tao Juan Pan <[email protected]> 于2020年11月22日周日 下午6:46写道： > Hi JiaTao, > > > Thanks for your valuable information. :-) > We plan to parse SQL (ShardingSphere and Calcite) twice at the first step > for federated SQL query (It includes @Jason Chen's case). > Twice-parsing is not a big issue for query efficiency (as you said) > though, > we still want to know whether there is any possibility to bypass the SQL > parsing from Calcite? > > > Best wishes, > Trista > > > Juan Pan (Trista) > > Senior DBA & PMC of Apache ShardingSphere > E-mail: [email protected] > > > > > On 11/22/2020 16:39，JiaTao Tao<[email protected]> wrote： > I think you are talking about query federation, yes, it's a good case for > Caclite. > > > Regards! > > Aron Tao > > > Jason Chen <[email protected]> 于2020年11月4日周三 上午8:06写道： > > Hey, > > I am Jason Chen from Shopify Data Science and Engineering team. I have a > few questions regarding the Apache Calcite, and I am not sure if the Apache > Calcite fits our use cases. Feel free to point me to the correct email or > Slack channel if this email is not the correct one for asking questions. > > We are exploring the approaches to do mixed querying across multiple > storage resources. One use cases is doing the “JOIN” in query time of query > results from both Druid and BigTable/Spanner. Is this a good use case for > Apache Calcite? > > Thank you for any help! > > Regards, > Jason Chen > > > Jason (Jianbin) Chen > Senior Data Developer > p: +1 2066608351 | e: [email protected] > a: 234 Laurier Ave W Ottawa, ON K1N 5X8 > >
