infer_parquet_schema: Infer Parquet schema of a data frame

In nanoparquet: Read and Write 'Parquet' Files

Infer Parquet schema of a data frame

Description

Infer Parquet schema of a data frame

Usage

infer_parquet_schema(df, options = parquet_options())

Arguments

df	Data frame.
options	Return value of parquet_options(), may modify the R to Parquet type mappings.

Value

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.

See Also

read_parquet_schema() to read the schema of a Parquet file, parquet_schema() to create a Parquet schema from scratch.

nanoparquet documentation built on April 3, 2025, 11:26 p.m.