EmmyMiao87 commented on issue #3331: query against view failed when the view contains union URL: https://github.com/apache/incubator-doris/issues/3331#issuecomment-614457934 If the view include both union and constant, the query will thrown exception when it includes view. ``` mysql> create view test as -> SELECT event_day, 'kpi_duration' AS `type` FROM `default_cluster:muse_db`.`test` -> UNION ALL -> SELECT event_day, 'kpi_dau_login' AS `type` FROM `default_cluster:muse_db`.`test` ; Query OK, 0 rows affected (0.02 sec) mysql> select type from test; ERROR 1064 (HY000): failed to build storage scanner, no materialized slot! ```
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