aokolnychyi commented on code in PR #11238: URL: https://github.com/apache/iceberg/pull/11238#discussion_r1796407251
########## format/puffin-spec.md: ########## @@ -123,6 +123,54 @@ The blob metadata for this blob may include following properties: - `ndv`: estimate of number of distinct values, derived from the sketch. +#### `delete-vector-v1` blob type + +A serialized delete vector (bitmap) that represents the positions of rows in a +file that are deleted. A set bit at position P indicates that the row at +position P is deleted. + +The vector supports positive 64-bit positions (the most significant bit must be +0), but is optimized for cases where most positions fit in 32 bits by using a +collection of 32-bit Roaring bitmaps. 64-bit positions are divided into a Review Comment: Extra space here too. -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
