Hi all,
We have been developing the schema-less file format like JSONSerDe. https://github.com/yahoojapan/yosegi We implement its SerDe to access data by their column names. Then, we want to define and change the table at any field names. We found the Replace Columns function in Hive. However, this operation allows the only predefined SerDes for listing in the code. https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java#L3960-L3968 So, could you please teach us how to use this kind of function? Or discuss to open this function for other SerDe like us. Yasunori
