Refactor zoom level implementations

source/modules/src/data/sql/database-modules/build_grid/build.sql

@@ -1,5 +1,5 @@
 SELECT system.raise_notice('Build: geometry_of_interests @ ' || timeofday());
-BEGIN; SELECT grid.ae_build_geometry_of_interests(); COMMIT;
+BEGIN; SELECT ae_build_geometry_of_interests(); COMMIT;
 
 SELECT system.raise_notice('Build: hexagons and receptors @ ' || timeofday());
-BEGIN; SELECT grid.ae_build_hexagons_and_receptors(); COMMIT;
+BEGIN; SELECT ae_build_hexagons_and_receptors(); COMMIT;

source/modules/src/data/sql/database-modules/build_grid_receptors_to/store-as-single-zoom-level.sql

@@ -0,0 +1,42 @@
+-- 
+-- Store Multi-zoom-level- as Single-zoom-level structure by exporting the data without the zoom-level field.
+--
+SELECT system.store_query(
+	'grid.receptors_to_assessment_areas',
+	$$ SELECT
+		receptor_id,
+		assessment_area_id,
+		surface
+
+		FROM receptors_to_assessment_areas
+
+		ORDER BY
+			receptor_id,
+			assessment_area_id,
+			surface
+	$$,
+	'{data_folder}/export/{tablename}_{datesuffix}.txt'
+);
+
+SELECT system.store_query(
+	'grid.receptors_to_critical_deposition_areas',
+	$$ SELECT
+		assessment_area_id,
+		type,
+		critical_deposition_area_id,
+		receptor_id,
+		surface,
+		receptor_habitat_coverage
+
+		FROM receptors_to_critical_deposition_areas
+
+		ORDER BY
+			assessment_area_id,
+			type,
+			critical_deposition_area_id,
+			receptor_id,
+			surface,
+			receptor_habitat_coverage
+	$$,
+	'{data_folder}/export/{tablename}_{datesuffix}.txt'
+);