explain select * from numbers;

+---------------+--------------------------------------------+
| plan_type     | plan                                       |
+---------------+--------------------------------------------+
| logical_plan  | Projection: numbers.number                 |
|               |   MergeScan [is_placeholder=false]         |
|               |     TableScan: numbers projection=[number] |
| physical_plan | ProjectionExec: expr=[number@0 as number]  |
|               |   ExecutionPlan(PlaceHolder)               |
|               |                                            |
+---------------+--------------------------------------------+

explain select * from numbers order by number desc;

+---------------+----------------------------------------------+
| plan_type     | plan                                         |
+---------------+----------------------------------------------+
| logical_plan  | Sort: numbers.number DESC NULLS FIRST        |
|               |   Projection: numbers.number                 |
|               |     MergeScan [is_placeholder=false]         |
|               |       TableScan: numbers projection=[number] |
| physical_plan | SortExec: expr=[number@0 DESC]               |
|               |   ProjectionExec: expr=[number@0 as number]  |
|               |     ExecutionPlan(PlaceHolder)               |
|               |                                              |
+---------------+----------------------------------------------+

explain select * from numbers order by number asc;

+---------------+----------------------------------------------+
| plan_type     | plan                                         |
+---------------+----------------------------------------------+
| logical_plan  | Sort: numbers.number ASC NULLS LAST          |
|               |   Projection: numbers.number                 |
|               |     MergeScan [is_placeholder=false]         |
|               |       TableScan: numbers projection=[number] |
| physical_plan | SortExec: expr=[number@0 ASC NULLS LAST]     |
|               |   ProjectionExec: expr=[number@0 as number]  |
|               |     ExecutionPlan(PlaceHolder)               |
|               |                                              |
+---------------+----------------------------------------------+

explain select * from numbers order by number desc limit 10;

+---------------+---------------------------------------------------+
| plan_type     | plan                                              |
+---------------+---------------------------------------------------+
| logical_plan  | Limit: skip=0, fetch=10                           |
|               |   Sort: numbers.number DESC NULLS FIRST, fetch=10 |
|               |     Projection: numbers.number                    |
|               |       MergeScan [is_placeholder=false]            |
|               |         TableScan: numbers projection=[number]    |
| physical_plan | GlobalLimitExec: skip=0, fetch=10                 |
|               |   SortExec: fetch=10, expr=[number@0 DESC]        |
|               |     ProjectionExec: expr=[number@0 as number]     |
|               |       ExecutionPlan(PlaceHolder)                  |
|               |                                                   |
+---------------+---------------------------------------------------+

explain select * from numbers order by number asc limit 10;

+---------------+------------------------------------------------------+
| plan_type     | plan                                                 |
+---------------+------------------------------------------------------+
| logical_plan  | Limit: skip=0, fetch=10                              |
|               |   Sort: numbers.number ASC NULLS LAST, fetch=10      |
|               |     Projection: numbers.number                       |
|               |       MergeScan [is_placeholder=false]               |
|               |         TableScan: numbers projection=[number]       |
| physical_plan | GlobalLimitExec: skip=0, fetch=10                    |
|               |   SortExec: fetch=10, expr=[number@0 ASC NULLS LAST] |
|               |     ProjectionExec: expr=[number@0 as number]        |
|               |       ExecutionPlan(PlaceHolder)                     |
|               |                                                      |
+---------------+------------------------------------------------------+