villebro commented on issue #5739: [Sqllab] Error: no such column When there are same fields in two tables with a join URL: https://github.com/apache/incubator-superset/issues/5739#issuecomment-416901611 @Narcissus7 As Superset wraps the SQL Lab query into a subquery, I don't think there is any way for Superset to select the deduplicated column without explicit aliases as @mistercrunch suggested. One approach would be to somehow reconstruct the the `SELECT *...` into explicit `SELECT a.col as col, b.col as col__1...`, but I don't think that's really feasible. I think it might be better to raise an Exception in SQL Lab if there are duplicates.
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