pub fn convert_columns(
num_rows: usize,
columns: &[ArrayRef],
opts: &[RowEncodingOptions],
dicts: &[Option<RowEncodingContext>],
) -> RowsEncodedpub fn convert_columns(
num_rows: usize,
columns: &[ArrayRef],
opts: &[RowEncodingOptions],
dicts: &[Option<RowEncodingContext>],
) -> RowsEncoded