xudong963 commented on pull request #1566:
URL:
https://github.com/apache/arrow-datafusion/pull/1566#issuecomment-1013642299
```
❯ create table part as select 1 as p_partkey;
0 rows in set. Query took 0.003 seconds.
❯ create table lineitem as select 1 as l_partkey, 2 as l_suppkey;
0 rows in set. Query took 0.005 seconds.
❯ create table supplier as select 1 as s_suppkey;
0 rows in set. Query took 0.002 seconds.
❯ explain select * from part, supplier, lineitem where p_partkey = l_partkey
and s_suppkey = l_suppkey;
+---------------+----------------------------------------------------------------------------------------------------------------------------------------------------+
| plan_type | plan
|
+---------------+----------------------------------------------------------------------------------------------------------------------------------------------------+
| logical_plan | Projection: #part.p_partkey, #lineitem.l_partkey,
#lineitem.l_suppkey, #supplier.s_suppkey
|
| | Join: #lineitem.l_suppkey = #supplier.s_suppkey
|
| | Join: #part.p_partkey = #lineitem.l_partkey
|
| | TableScan: part projection=Some([0])
|
| | TableScan: lineitem projection=Some([0, 1])
|
| | TableScan: supplier projection=Some([0])
|
```
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