pub fn flat_sst_arrow_schema_column_num(
    metadata: &RegionMetadata,
    options: &FlatSchemaOptions,
) -> usizeExpand description
Returns the number of columns in the flat format.
pub fn flat_sst_arrow_schema_column_num(
    metadata: &RegionMetadata,
    options: &FlatSchemaOptions,
) -> usizeReturns the number of columns in the flat format.