Updates a destination raster object using data from a source raster object.
Syntax
raster ST_Update(raster source, raster dest);Parameters
| Parameter | Description |
|---|---|
source | The source raster object. |
dest | The destination raster object. |
Examples
UPDATE raster_table
SET raster_obj = ST_Update(raster_obj, (SELECT raster_obj FROM raster_table WHERE id = 2))
WHERE id = 1;该文章对您有帮助吗？