Function fixed_len_byte_array_to_string

datafusion-cli/src/functions.rs:313–319

Convert to a string if it has utf8 encoding, otherwise print bytes directly

(val: Option<&FixedLenByteArray>)

/// Convert to a string if it has utf8 encoding, otherwise print bytes directly
fn fixed_len_byte_array_to_string(val: Option<&FixedLenByteArray>) -> Option<String> {
    val.map(|v| {
        v.as_utf8()
            .map(|s| s.to_string())
            .unwrap_or_else(|_e| v.to_string())
    })
}

#[derive(Debug)]
pub struct ParquetMetadataFunc {}