dataframe-parquet-th-1.3.0.0: Parquet-file-based Template Haskell splices for the dataframe ecosystem.
LicenseMIT
Safe HaskellNone
LanguageHaskell2010

DataFrame.TH.Parquet

Description

Parquet-file-based TH splices. Splits out the Parquet ingest path so dataframe-th stays IO-agnostic.

Synopsis

Documentation

declareColumnsFromParquetFile :: String -> DecsQ Source #

Splice a binding for every column of a parquet file (or directory of parquet files). The schema is read from each file's metadata and merged.