[SCM] PostGIS branch master updated. 3.6.0rc2-700-gdc6337753

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- Log -----------------------------------------------------------------
commit dc6337753b8ce98dde25fc260bfad194ef430b4e
Merge: b6204431f be75f1e94
Author: Darafei Praliaskouski <me at komzpa.net>
Date:   Wed Jul 1 09:44:24 2026 +0400

    Merge pull request https://github.com/postgis/postgis/pull/906
    
    raster: add ST_Union band type regression


commit be75f1e94293bbbc68ec187fb6ac9ece870ee6a1
Author: Darafei Praliaskouski <me at komzpa.net>
Date:   Wed Jun 17 01:43:18 2026 +0400

    raster: add ST_Union band type regression
    
    Closes #5317

diff --git a/raster/test/regress/rt_union.sql b/raster/test/regress/rt_union.sql
index fb93ae042..13decca06 100644
--- a/raster/test/regress/rt_union.sql
+++ b/raster/test/regress/rt_union.sql
@@ -76,6 +76,52 @@ FROM (
 ) foo
 ORDER BY uniontype, y, x;
 
+WITH v(rast) AS (
+	VALUES (
+		ST_AddBand(
+			ST_AddBand(ST_MakeEmptyRaster(1, 1, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 10, 0),
+			2, '16BUI', 300, 0
+		)
+	), (
+		ST_AddBand(
+			ST_AddBand(ST_MakeEmptyRaster(1, 1, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 20, 0),
+			2, '16BUI', 400, 0
+		)
+	)
+), u AS (
+	SELECT ST_Union(rast, ARRAY[ROW(1, 'SUM'), ROW(2, 'MAX')]::unionarg[]) AS rast
+	FROM v
+)
+SELECT
+	'ticket-5317-array',
+	ST_BandPixelType(rast, 1),
+	ST_Value(rast, 1, 1, 1),
+	ST_BandPixelType(rast, 2),
+	ST_Value(rast, 2, 1, 1)
+FROM u;
+
+WITH v(rast) AS (
+	VALUES (
+		ST_AddBand(
+			ST_AddBand(ST_MakeEmptyRaster(1, 1, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 10, 0),
+			2, '16BUI', 300, 0
+		)
+	), (
+		ST_AddBand(
+			ST_AddBand(ST_MakeEmptyRaster(1, 1, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 20, 0),
+			2, '16BUI', 400, 0
+		)
+	)
+), u AS (
+	SELECT ST_Union(rast, 2, 'MAX') AS rast
+	FROM v
+)
+SELECT
+	'ticket-5317-band',
+	ST_BandPixelType(rast, 1),
+	ST_Value(rast, 1, 1, 1)
+FROM u;
+
 TRUNCATE raster_union_out;
 TRUNCATE raster_union_in;
 
diff --git a/raster/test/regress/rt_union_expected b/raster/test/regress/rt_union_expected
index 699b9df4d..8f32317be 100644
--- a/raster/test/regress/rt_union_expected
+++ b/raster/test/regress/rt_union_expected
@@ -52,6 +52,8 @@ SUM|2|2|3
 SUM|3|2|2
 SUM|2|3|2
 SUM|3|3|2
+ticket-5317-array|8BUI|30|16BUI|400
+ticket-5317-band|16BUI|400
 NOTICE:  No pixels found for band 1
 COUNT|1|1|1
 COUNT|2|1|1

-----------------------------------------------------------------------

Summary of changes:
 raster/test/regress/rt_union.sql      | 46 +++++++++++++++++++++++++++++++++++
 raster/test/regress/rt_union_expected |  2 ++
 2 files changed, 48 insertions(+)


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