andygrove opened a new issue, #3002:
URL: https://github.com/apache/arrow-datafusion/issues/3002
**Describe the bug**
I am trying to perform a trivial join in the CLI using latest from master
and I get the following error:
```
Plan("The expression to get an indexed field is only valid for `List` types")
```
**To Reproduce**
```
$ cat /tmp/a.csv
foo
1
$ cat /tmp/b.csv
b
bar
$ ./target/debug/datafusion-cli
DataFusion CLI v10.0.0
❯ create external table a stored as csv with header row location
'/tmp/a.csv';
0 rows in set. Query took 0.016 seconds.
❯ create external table b stored as csv with header row location
'/tmp/b.csv';
0 rows in set. Query took 0.009 seconds.
❯ select * from a;
+-----+
| foo |
+-----+
| 1 |
+-----+
1 row in set. Query took 0.011 seconds.
❯ select * from b;
+-----+
| b |
+-----+
| bar |
+-----+
1 row in set. Query took 0.010 seconds.
❯ select * from a join b on a.foo = b.bar;
Plan("The expression to get an indexed field is only valid for `List` types")
```
**Expected behavior**
Query should work
**Additional context**
None
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