Method nulls

datafusion/functions/src/strings.rs:1179–1191

(&self)

    #[inline]
    pub fn nulls(&self) -> Option<NullBuffer> {
        match &self {
            Self::Scalar(_)
            | Self::NonNullableArray(_)
            | Self::NonNullableStringViewArray(_)
            | Self::NonNullableLargeStringArray(_)
            | Self::NonNullableBinaryArray(_) => None,
            Self::NullableArray(array) => array.nulls().cloned(),
            Self::NullableStringViewArray(array) => array.nulls().cloned(),
            Self::NullableLargeStringArray(array) => array.nulls().cloned(),
            Self::NullableBinaryArray(array) => array.nulls().cloned(),
        }
    }
}

#[cfg(test)]