My suggestion is adding this mapping by creating view, So, you can change the column name in hive table, and recreate the view, that will do not have any effect to cube. and need not sync hive table. this view only used at the first step, so can recreate it in any time except doing this step.
2016-01-12 16:13 GMT+08:00 dong wang <eloquentb...@gmail.com>: > sometimes, we have to change column names of the source hive table AFTER > the cube is built successfully, actually, in most cases, we may just change > the column name without changing the column type, but now, we have to > refresh the cube again when we change the column name of the source hive > table and sync the hive table to kylin meta. in common sense, we want that > the cube data may be avoid being calculated again since just changing the > column name. >
