Convert semantic GeoArrow input into a batch that carries explicitly declared
spare capacity, so later appends can be written without reallocating a
backing buffer. The reserve is never implicit: a batch created through
createGeoArrowBatch has none and rebuilds on its first append.
Convert semantic GeoArrow input into a batch that carries explicitly declared spare capacity, so later appends can be written without reallocating a backing buffer. The reserve is never implicit: a batch created through
createGeoArrowBatchhas none and rebuilds on its first append.