jackwener commented on issue #6086: URL: https://github.com/apache/arrow-datafusion/issues/6086#issuecomment-1517839299
I think it's a great job. ExistsSubquery and InSubquery is similar in semantic. some paper already conclude it. Such as: AGE IN (SELECT AGE) --> a.age=b.age[0] OR a.age=b.age[1] OR ... OR a.age=b.age[n] Exists (SELECT AGE) --> b.age[0] is not null OR b.age[1] is not null OR ... OR b.age[n] is not null -- 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]
