ReachInfi commented on pull request #33314: URL: https://github.com/apache/spark/pull/33314#issuecomment-879622015
Clickhouse has two styles of bitmap fuction. The other is as follows： https://clickhouse.tech/docs/en/sql-reference/functions/bitmap-functions/ doris also supports bitmap operator. http://doris.apache.org/master/zh-CN/sql-reference/sql-functions/bitmap-functions/ presto and mysql have some bitwise function： https://dev.mysql.com/doc/refman/8.0/en/bit-functions.html https://prestodb.io/docs/current/functions/bitwise.html In other frameworks, I did not find any bitmap-related functions. I think the high-throughput feature is very suitable for batch offline building of bitmaps -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
