mistercrunch commented on issue #875: Support of JOIN statement for queries URL: https://github.com/apache/incubator-superset/issues/875#issuecomment-368353747 Still no support for joins at the moment and in the near future. We still tell people to create a view and use that as a source. Many more advanced dbs with good query optmizers will in fact omit the join from the plan when left-joining on a field that has a unique constraint and no fields from the remote table are referenced in the query. My point being that there may be no extra cost for unused joins in views in some cases.
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