Provider for computing column statistics from Parquet files. Attempts to use Parquet metadata for eager statistics. Falls back to lazy column scan if metadata unavailable and useMetadataOnly=false.
Compute statistics for a single numeric column in a Parquet file. Prefers Parquet metadata (eager, no row scan). Falls back to lazy column materialization if metadata unavailable.
Compute statistics for a single numeric column in a Parquet file. Prefers Parquet metadata (eager, no row scan). Falls back to lazy column materialization if metadata unavailable.
Value parameters
columnName
the name of the column to analyze.
path
the path to a .parquet file or dataset directory.
useMetadataOnly
if true, return None if metadata unavailable; if false, return lazy thunk.