Re: [Discussion] Support for Float and Byte data types

Posted by xuchuanyin on Sep 14, 2018; 1:27am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/Discussion-Support-for-Float-and-Byte-data-types-tp62418p62423.html

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.



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