I think your proposal will support CarbonSession also, but not only SDK and FileFormat, right?
Regards, Jacky > 在 2018年9月14日,下午12:34,Kunal Kapoor <kunalkapoor...@gmail.com> 写道: > > Hi xuchuanyin, > Yes your understanding is correct and i agree that documentation has to be > updated to mention that for old store double data type should be used. > For the first phase let us focus on writing/reading through SDK and > FileFormat. > What are your thoughts? > > On Fri, Sep 14, 2018 at 7:05 AM xuchuanyin <xuchuan...@hust.edu.cn> wrote: > >> The actual storage datatype for that column is stored in ColumnPage level. >> In previous implementation, columns with literal datatype 'float' and >> 'double' shared the same storage datatype 'double' and you want to >> distinguish them by adding support for storage datatype 'float'. >> >> Is my understanding right? If it is so, there will no compatible problems. >> But we'd better to mention that for old store prior than 1.5.0, user can >> only use double. >> >> >> >> -- >> Sent from: >> http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/ >> >