Support more Iceberg Metadata columns

[yingsu00]

https://prestodb.io/docs/current/connector/iceberg.html#extra-hidden-metadata-columns So far Presto only supports querying the $path and $data_sequence_number metadata columns. We will need to add more columns. For more see https://iceberg.apache.org/javadoc/1.8.1/org/apache/iceberg/MetadataColumns.html. The first several we should support

• DELETE_FILE_PATH
• IS_DELETED

Context

These columns are important for debugging

[PingLiuPing]

Iceberg spec reserved fields

[xieandrew]

Presto doesn't generate equality delete files, so is there an example equality delete parquet file or a method to generate an equality delete to test that the metadata implementation works on equality deletes? @yingsu00

Edit: Solved