cambyzju opened a new issue, #12034: URL: https://github.com/apache/doris/issues/12034
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and found no similar issues. ### Description 1. two table A and B, B is a bitmap table; ``` > desc A; +------------------+-------------+------+-------+---------+---------+ | Field | Type | Null | Key | Default | Extra | +------------------+-------------+------+-------+---------+---------+ | id | BIGINT | Yes | true | NULL | | | name | VARCHAR(50) | Yes | false | NULL | REPLACE | +------------------+-------------+------+-------+---------+---------+ ``` ``` > desc B; +------------+--------+------+-------+---------+--------------+ | Field | Type | Null | Key | Default | Extra | +------------+--------+------+-------+---------+--------------+ | key | BIGINT | Yes | true | NULL | | | ids | BITMAP | Yes | false | | BITMAP_UNION | +------------+--------+------+-------+---------+--------------+ ``` 2. make some test data, for example bitmap_count(B.ids)=10W 3. try to query use explode_bitmap like: `select name, count(*) as num from A where id in (select bc from B lateral view explode_bitmap(ids) tmp_v as bc where key=100000) group by name order by num desc limit 10;` 4. after profile, I find explode_bitmap return lots of data, make it very slow ### Solution avoid unused columns copy in table function node ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
