wyb removed a comment on issue #3010: Spark load etl interface URL: https://github.com/apache/incubator-doris/issues/3010#issuecomment-592026321 @kangpinghuang Level relation for rollup data conversion is the strategy in ETL, if we update the strategy later, we can only update the ETL code, so i think it is better to deal with it in ETL. We will get the attributes of column by column name, it is more convenient when using map.
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