> [!NOTE] Result > <table> > <tr> > <td width="25%"><img src="assets/ex_result.png"></td> > <td>Represents a constant result set or a 'no-op' node. It evaluates expressions that do not require scanning a table, such as a standalone <code>SELECT 1</code> or a <code>VALUES</code> list. It is often used as a dummy node in more complex structures to bridge gaps in the execution tree.</td> > </tr> > </table> > > ```sql > -- A simple constant result > EXPLAIN (ANALYZE, COSTS, BUFFERS, VERBOSE) > SELECT 1; > ``` > > ```text > Result (cost=1.00..1.01 rows=1 width=4) (actual time=1.001..1.001 rows=1 loops=1) > Output: 1 > ``` > > <table> > <tr> > <td rowspan="5" width="25%"><img src="assets/ex_result.svg"></td> > <td><b>Performance</b></td><td>Near-zero overhead; typically used for <code>VALUES</code> lists, constant <code>SELECT</code> statements, or as a dummy node in more complex structures.</td> > </tr> > <tr><td><b>Factors</b></td><td>Generally constant time.</td></tr> > <tr><td><b>Cost</b></td><td><code>Constant cost.</code></td></tr> > <tr><td><b>Operates on</b></td><td><a href="Structures/Tuple">Tuple</a></td></tr> > <tr><td><b>Workloads</b></td><td><a href="Workloads/LWLock/Buffers/BufferContent">LWLock: BufferContent</a></td></tr> > <tr><td colspan="3"><b>Description</b>: Represents a constant result set or no-op.</td></tr> > </table>