There is an existing PR 2665 that works on binary data type, is your work based on that PR and a new one?
Regards, Jacky > 在 2018年9月14日，下午2:30，Indhumathi <indhumathi...@gmail.com> 写道： > > Hello All, > > I am working on supporting Binary DataType. Please find below > the scope and design approach for the same. > > **Scope:** > 1. Create Table DDL support for Binary Data type column. > 2. Support loading of data for binary data type column [DataLoad && Insert > into DDL]. > 3. Support querying binary data type columns. > 4. Describe formatted support to display the binary data type column. > > **Proposed Solution:** > 1. Implement a Binary converter BinaryFieldConverterImpl, which takes > CarbonRow as > input and converts data to Hex decoded ByteArray during > RowConverterImpl step. > 2. Create a Column Page for Binary Datatype similar to BYTE_ARRAY page. > 3. Encoding type for Binary data type is DIRECT_COMPRESS and compress data > using getLVFlattenedBytePage() and return encoded data. > While decoding, check whether if column is of BINARY datatype, > and decode it to a newBinaryPage(). > 4. For Querying Binary data type columns, implement a BinaryVectorFiller, > which fills byte array data to CarbonColumnVector. > > Please provide your inputs and comments. Any suggestion from community is > most welcomed. > > Regards, > Indhumathi > > > > > -- > Sent from: > http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/ >
