Uses a source raster object to update a destination raster object.
Syntax
raster ST_Update(raster source, raster dest);Parameters
| Parameter | Description |
|---|---|
| source | The source raster object. |
| dest | The destination raster object. |
Examples
The following example updates the raster object in raster_table where id = 1 with the raster object where id = 2.
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？