Fokko commented on code in PR #569: URL: https://github.com/apache/iceberg-python/pull/569#discussion_r1594053750
########## pyiceberg/table/__init__.py: ########## @@ -443,6 +468,54 @@ def overwrite( for data_file in data_files: update_snapshot.append_data_file(data_file) + def delete(self, delete_filter: BooleanExpression, snapshot_properties: Dict[str, str] = EMPTY_DICT) -> None: + if ( + self.table_metadata.properties.get(TableProperties.DELETE_MODE, TableProperties.DELETE_MODE_COPY_ON_WRITE) + == TableProperties.DELETE_MODE_MERGE_ON_READ + ): + raise NotImplementedError("Merge on read is not yet supported") + + with self.update_snapshot(snapshot_properties=snapshot_properties).delete() as delete_snapshot: + delete_snapshot.delete_by_predicate(delete_filter) + + # Check if there are any files that require an actual rewrite of a data file + if delete_snapshot.rewrites_needed is True: + # When we want to filter out certain rows, we want to invert the expression + # delete id = 22 means that we want to look for that value, and then remove + # if from the Parquet file + delete_row_filter = Not(delete_filter) Review Comment: I agree, thanks! -- 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