Jefffrey opened a new issue, #5248:
URL: https://github.com/apache/arrow-datafusion/issues/5248
**Describe the bug**
A clear and concise description of what the bug is.
In SQL when ORDER BY an ambiguous column, it doesn't return an error.
**To Reproduce**
Steps to reproduce the behavior:
```sql
❯ select * from test1 t1 join test2 t2 using (a) order by b;
+---+---+---+---+---+
| a | b | c | b | c |
+---+---+---+---+---+
| 1 | 2 | 3 | 2 | 3 |
| 4 | 5 | 6 | 5 | 6 |
+---+---+---+---+---+
2 rows in set. Query took 0.016 seconds.
❯ explain select * from test1 t1 join test2 t2 using (a) order by b;
+---------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------+
| plan_type | plan
|
+---------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------+
| logical_plan | Projection: t1.a, t1.b, t1.c, t2.b, t2.c
|
| | Sort: t1.b ASC NULLS LAST
|
| | Projection: t1.a, t1.b, t1.c, t2.b, t2.c
|
| | Inner Join: Using t1.a = t2.a
|
| | SubqueryAlias: t1
|
| | TableScan: test1 projection=[a, b, c]
|
| | SubqueryAlias: t2
|
| | TableScan: test2 projection=[a, b, c]
|
| physical_plan | ProjectionExec: expr=[a@0 as a, b@1 as b, c@2 as c, b@3 as
b, c@4 as c]
|
| | SortPreservingMergeExec: [b@1 ASC NULLS LAST]
|
| | SortExec: [b@1 ASC NULLS LAST]
|
| | ProjectionExec: expr=[a@0 as a, b@1 as b, c@2 as c,
b@4 as b, c@5 as c]
|
| | CoalesceBatchesExec: target_batch_size=8192
|
| | HashJoinExec: mode=Partitioned, join_type=Inner,
on=[(Column { name: "a", index: 0 }, Column { name: "a", index: 0 })]
|
| | CoalesceBatchesExec: target_batch_size=8192
|
| | RepartitionExec: partitioning=Hash([Column {
name: "a", index: 0 }], 12), input_partitions=12
|
| | RepartitionExec:
partitioning=RoundRobinBatch(12), input_partitions=1
|
| | CsvExec: files={1 group:
[[home/jeffrey/Code/arrow-datafusion/datafusion-cli/test.csv]]},
has_header=true, limit=None, projection=[a, b, c] |
| | CoalesceBatchesExec: target_batch_size=8192
|
| | RepartitionExec: partitioning=Hash([Column {
name: "a", index: 0 }], 12), input_partitions=12
|
| | RepartitionExec:
partitioning=RoundRobinBatch(12), input_partitions=1
|
| | CsvExec: files={1 group:
[[home/jeffrey/Code/arrow-datafusion/datafusion-cli/test.csv]]},
has_header=true, limit=None, projection=[a, b, c] |
| |
|
+---------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------+
2 rows in set. Query took 0.011 seconds.
```
**Expected behavior**
A clear and concise description of what you expected to happen.
Should return error
**Additional context**
Add any other context about the problem here.
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