james-willis commented on code in PR #749:
URL: https://github.com/apache/sedona-db/pull/749#discussion_r3190986130
##########
rust/sedona-raster-functions/src/rs_band_accessors.rs:
##########
@@ -120,14 +120,15 @@ fn get_pixel_type(
Ok(())
}
Some(raster) => {
- let num_bands = raster.bands().len();
+ let num_bands = raster.num_bands();
if band_index < 1 || band_index > num_bands as i32 {
builder.append_null();
return Ok(());
}
- let band = raster.bands().band(band_index as usize)?;
- let dt = band.metadata().data_type()?;
- builder.append_value(dt.pixel_type_name());
+ match raster.band_data_type((band_index - 1) as usize) {
+ Some(dt) => builder.append_value(dt.pixel_type_name()),
+ None => builder.append_null(),
Review Comment:
not totally sure if we should handle this branch or throw. _should_
generally be unreachable - we don't expect the arrow to contain datatype values
that don't exist.
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