Hi Y'all, As we have been working on the row lineage implementation I've been reached out to by a few folks in the community who are interested in changing our defined behavior around equality deletes.
Currently when Row Lineage is enabled, the spec says to disable equality deletes for the table. In the interest of compatibility with Flink and other Equality delete producers, I originally wrote that we would simply treat all equality delete based updates as a pure insert and delete. At the time, some folks thought this was too open and worried that it would be poor behavior which led to the current restriction. Now that we are actually implementing I think there have been some changes of heart and that we should go back to the original design. I'd like to see if we have consensus in the community to change the wording back and allow equality deletes. PR: https://github.com/apache/iceberg/pull/12230 The TLDR; Allow equality deletes with row lineage but accept that "updates" will be treated as "delete" and "insert" Thanks for your time, Russ