Fixed #30489 -- Fixed RasterField deserialization with pixeltype flags.

Thanks Ivor Bosloper for the original patch.

1 files changed, 21 insertions, 1 deletions

diff --git a/tests/gis_tests/rasterapp/test_rasterfield.py b/tests/gis_tests/rasterapp/test_rasterfield.py
index 63a6325135..2a6fe09f6a 100644
--- a/tests/gis_tests/rasterapp/test_rasterfield.py
+++ b/tests/gis_tests/rasterapp/test_rasterfield.py
@@ -8,7 +8,7 @@ from django.contrib.gis.geos import GEOSGeometry
 from django.contrib.gis.measure import D
 from django.contrib.gis.shortcuts import numpy
 from django.db import connection
-from django.db.models import Q
+from django.db.models import F, Func, Q
 from django.test import TransactionTestCase, skipUnlessDBFeature
 from django.test.utils import CaptureQueriesContext
 
@@ -51,6 +51,26 @@ class RasterFieldTest(TransactionTestCase):
         qs = RasterModel.objects.all()
         qs[0].rast.bands[0].data()
 
+    def test_deserialize_with_pixeltype_flags(self):
+        no_data = 3
+        rast = GDALRaster({
+            'srid': 4326,
+            'origin': [0, 0],
+            'scale': [-1, 1],
+            'skew': [0, 0],
+            'width': 1,
+            'height': 1,
+            'nr_of_bands': 1,
+            'bands': [{'data': [no_data], 'nodata_value': no_data}],
+        })
+        r = RasterModel.objects.create(rast=rast)
+        RasterModel.objects.filter(pk=r.pk).update(
+            rast=Func(F('rast'), function='ST_SetBandIsNoData'),
+        )
+        r.refresh_from_db()
+        self.assertEquals(r.rast.bands[0].data(), [[no_data]])
+        self.assertEquals(r.rast.bands[0].nodata_value, no_data)
+
     def test_model_creation(self):
         """
         Test RasterField through a test model.