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- Delta Extension 9414
- The delta extension adds support for the Delta Lake open-source storage format . It is built using the Delta Kernel . The extension reads Delta tables, local and remote, and writes them: it can create tables and append to them. For implemen
...l and load it manually, run: INSTALL AND LOAD delta; Usage To scan a local Delta table, run: SELECT * FROM delta_scan('file:///⟨path⟩'); Attaching Tables A Delta table can also be attached as a database. The database holds exactly one table, with the...same name as the database, so my_table and my_table.my_table refer to the same table: ATTACH 'file:///⟨path⟩' AS my_table (TYPE delta); SELECT * FROM my_table; Reading from an S3 Bucket To scan a Delta table in an S3 bucket ,...carry deletion vectors. This is useful for understanding the effect of data skipping : SELECT * FROM delta_list_files('file:///⟨path⟩'); Column Type Description data_file VARCHAR Path to the Parquet data file. cardinality UBIGINT Number of rows in the... - https://man.mtool.work/duckdb/2.0/core_extensions/delta.html
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