geoffreyclaude opened a new pull request, #23011: URL: https://github.com/apache/datafusion/pull/23011
## Which issue does this PR close? - Part of #19241. - Stacked on #21927. - Extracted from #19390. ## Rationale for this change This is one draft PR in the `IN LIST` optimization stack. It reuses commit `b865b1281` verbatim so the existing stack can be reviewed one step at a time. After #21927, the generic static-filter path is cleaned up. This commit adds the first specialized primitive filter: a compact bitmap lookup for `UInt8` constant lists. ## What changes are included in this PR? - Adds a 256-bit bitmap filter for `UInt8` membership checks. - Routes `UInt8` static-filter selection to the bitmap path. - Adds supporting result-construction helper code used by this filter. ## Are these changes tested? Covered by the existing `IN LIST` test suite from the original stack. ## Are there any user-facing changes? No user-facing API changes. -- 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]
