EmmyMiao87 commented on issue #545: surrogate key gerneration requested. URL: https://github.com/apache/incubator-doris/issues/545#issuecomment-463578006 Doris does not support unpartition in analytic function. So your query of `explain select 1+row_number() over (order by i_item_sk) from item` in doris will throw error. But surrogate key generation already has been support in doris. The query `select 1+row_number() over (partition by i_category order by i_item_sk) from item;` can be explain to query plan. You can try it. Maybe you need to change issue named to Analytic function does not support UNPARTITION. I will continue to find the reason of `UNPARTITION has not been support in analytic function`
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