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#duckdb_snippets — Public Fediverse posts

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  1. Re-compressing a parquet file with duckdb

    copy (select * from 'existing.parquet' ) to 'compressed.parquet' (FORMAT PARQUET, COMPRESSION 'ZSTD', ROW_GROUP_SIZE 10000);

    from to 195MB to 125MB

    #duckdb #duckdb_snippets