Function parquet::arrow::schema::parquet_to_arrow_schema_by_columns [−][src]
pub fn parquet_to_arrow_schema_by_columns<T>(
parquet_schema: &SchemaDescriptor,
column_indices: T,
key_value_metadata: &Option<Vec<KeyValue>>
) -> Result<Schema> where
T: IntoIterator<Item = usize>,
Expand description
Convert parquet schema to arrow schema including optional metadata, only preserving some leaf columns.