Equal to operator (=)
Updated at:
Copy as MD
Compares two raster objects by their universally unique identifiers (UUIDs) and returns true if the UUIDs are equal.
Syntax
bool Operator =(raster rast1, raster rast2);Parameters
| Parameter | Description |
|---|---|
rast1 |
The first raster object. |
rast2 |
The second raster object. |
This operator compares only the UUIDs of the two raster objects, not their spatial extents or pixel types. It is used only for operations such as union and B-tree.
Examples
SELECT a.rast = b.rast
FROM tbl_a a, tbl_b b
WHERE a.id = b.idIs this page helpful?