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.