Method append_default

arrow-avro/src/reader/record.rs:719–1156

Append a single default literal into the decoder's buffers

(&mut self, lit: &AvroLiteral)

    /// Append a single default literal into the decoder's buffers
    fn append_default(&mut self, lit: &AvroLiteral) -> Result<(), AvroError> {
        match self {
            Self::Nullable(_, nb, inner) => {
                if matches!(lit, AvroLiteral::Null) {
                    nb.append(false);
                    inner.append_null()
                } else {
                    nb.append(true);
                    inner.append_default(lit)
                }
            }
            Self::Null(count) => match lit {
                AvroLiteral::Null => {
                    *count += 1;
                    Ok(())
                }
                _ => Err(AvroError::InvalidArgument(
                    "Non-null default for null type".to_string(),
                )),
            },
            Self::Boolean(b) => match lit {
                AvroLiteral::Boolean(v) => {
                    b.append(*v);
                    Ok(())
                }
                _ => Err(AvroError::InvalidArgument(
                    "Default for boolean must be boolean".to_string(),
                )),
            },
            Self::Int32(v) | Self::Date32(v) | Self::TimeMillis(v) => match lit {
                AvroLiteral::Int(i) => {
                    v.push(*i);
                    Ok(())
                }
                _ => Err(AvroError::InvalidArgument(
                    "Default for int32/date32/time-millis must be int".to_string(),
                )),
            },
            #[cfg(feature = "avro_custom_types")]
            Self::DurationSecond(v)
            | Self::DurationMillisecond(v)
            | Self::DurationMicrosecond(v)
            | Self::DurationNanosecond(v) => match lit {
                AvroLiteral::Long(i) => {
                    v.push(*i);
                    Ok(())
                }
                _ => Err(AvroError::InvalidArgument(
                    "Default for duration long must be long".to_string(),
                )),
            },
            #[cfg(feature = "avro_custom_types")]
            Self::Int8(v) => match lit {
                AvroLiteral::Int(i) => {
                    let x = i8::try_from(*i).map_err(|_| {
                        AvroError::InvalidArgument(format!(
                            "Default for int8 out of range for i8: {i}"
                        ))