Infer Parquet schema of a data frame
infer_parquet_schema(df, options = parquet_options())Data frame, the inferred schema. It has the same columns as
the return value of read_parquet_schema():
file_name, name, r_type, type, type_length, repetition_type, converted_type, logical_type, num_children, scale, precision, field_id.
Data frame.
Return value of parquet_options(), may modify the
R to Parquet type mappings.
read_parquet_schema() to read the schema of a Parquet file,
parquet_schema() to create a Parquet schema from scratch.