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Deletion vectors is an optimization feature that can be enabled on Delta Lake tables and Iceberg tables. They allow DELETE and UPDATE operations to mark existing rows as removed or changed without rewriting the Parquet file. Hudi may soon support a similar representation for deletion vectors.
Currently, XTable does not support handling and translating the deletion files between formats. This means that XTable cannot preserve the deletion vectors when converting a table from one format to another, resulting in incomplete translation and/or incorrect results. This feature request is to add support for deletion vector translation in XTable.
The proposed steps to implement the first phase of this feature are:
Deletion vectors is an optimization feature that can be enabled on Delta Lake tables and Iceberg tables. They allow DELETE and UPDATE operations to mark existing rows as removed or changed without rewriting the Parquet file. Hudi may soon support a similar representation for deletion vectors.
Currently, XTable does not support handling and translating the deletion files between formats. This means that XTable cannot preserve the deletion vectors when converting a table from one format to another, resulting in incomplete translation and/or incorrect results. This feature request is to add support for deletion vector translation in XTable.
The proposed steps to implement the first phase of this feature are:
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