pg_mooncake

pg_mooncake is a PostgreSQL extension that adds columnar storage and vectorized execution. Columnstore tables are stored as Iceberg or Delta Lake tables in the local file system or S3-compatible cloud storage. pg_mooncake supports loading data from file formats like Parquet, CSV and even Hugging Face datasets. It can be a good fit for heavy data analytics that typically requires columnar storage, as it removes the need to add dedicated columnar store technologies into your stack.