Method append_buffer

arrow-buffer/src/builder/null.rs:195–204

Append [`NullBuffer`] to this [`NullBufferBuilder`] This is useful when you want to concatenate two null buffers.

(&mut self, buffer: &NullBuffer)

    ///
    /// This is useful when you want to concatenate two null buffers.
    pub fn append_buffer(&mut self, buffer: &NullBuffer) {
        if buffer.null_count() > 0 {
            self.materialize_if_needed();
        }
        if let Some(buf) = self.bitmap_builder.as_mut() {
            buf.append_buffer(buffer.inner())
        } else {
            self.len += buffer.len();
        }
    }

    /// Builds the [`NullBuffer`] and resets the builder.
    ///