KomachiSion commented on issue #2204: select a.id ,c.id order by a.id, the result can not sort by designated column URL: https://github.com/apache/incubator-shardingsphere/issues/2204#issuecomment-484379231 Hi @lucy3399, `columnLabelIndexMap` is created from JDBC's resultset metadata, but resultset metadata doesn't include the owner information of column( like `o` or `i`). So we may fix this bug thoroughly by doing some change in `parsingEngine`, it may cost more time. For now, I suggest you use unique alias to avoid this problem. It also can make your SQL more accurate. At last, thanks for your useful feedback.
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