[GitHub] [incubator-iceberg] rdblue opened a new issue #360: Spec: Add column equality delete files

[GitBox <gi...@apache.org>]

rdblue opened a new issue #360: Spec: Add column equality delete files
URL: https://github.com/apache/incubator-iceberg/issues/360
 
 
   One option for encoding row-level deletes is to track a tuple of values that indicate a row is deleted. The delete file will contain a subset of data columns and each row will be used to match data rows using equality.
   
   For example, a delete file may contain a single `2: id` column with 2 rows, `18` and `19`. This indicates the any row with ID 18 or 19 is deleted in all files to which the delete is applied (limited by [sequence number](https://github.com/apache/incubator-iceberg/issues/358) and partition scope).
   
   This format should be documented in the spec.

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