ZuoTiJia opened a new issue, #4080:
URL: https://github.com/apache/arrow-datafusion/issues/4080
**Describe the bug**
Use the array_agg function, which results in panic
**To Reproduce**
```
DataFusion CLI v13.0.0
❯ select array_agg([1]);
thread 'thread 'tokio-runtime-workertokio-runtime-workerthread '' panicked
at 'tokio-runtime-worker' panicked at '' panicked at 'called `Result::unwrap()`
on an `Err` value: Internal("Empty iterator passed to
ScalarValue::iter_to_array")called `Result::unwrap()` on an `Err` value:
Internal("Empty iterator passed to ScalarValue::iter_to_array")', ',
.cargo/registry/src/github.com-1ecc6299db9ec823/datafusion-common-13.0.0/src/scalar.rs.cargo/registry/src/github.com-1ecc6299db9ec823/datafusion-common-13.0.0/src/scalar.rs::16081608::thread
'called `Result::unwrap()` on an `Err` value: Internal("Empty iterator passed
to ScalarValue::iter_to_array")1818
', tokio-runtime-worker' panicked at
'.cargo/registry/src/github.com-1ecc6299db9ec823/datafusion-common-13.0.0/src/scalar.rsnote:
run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread 'tokio-runtime-workercalled `Result::unwrap()` on an `Err` value:
Internal("Empty iterator passed to ScalarValue::iter_to_array"):1608', :18'
panicked at '
called `Result::unwrap()` on an `Err` value: Internal("Empty iterator passed
to ScalarValue::iter_to_array")
.cargo/registry/src/github.com-1ecc6299db9ec823/datafusion-common-13.0.0/src/scalar.rs',
:.cargo/registry/src/github.com-1ecc6299db9ec823/datafusion-common-13.0.0/src/scalar.rs1608::160818:
18
thread 'tokio-runtime-worker' panicked at 'called `Result::unwrap()` on an
`Err` value: Internal("Empty iterator passed to ScalarValue::iter_to_array")',
.cargo/registry/src/github.com-1ecc6299db9ec823/datafusion-common-13.0.0/src/scalar.rs:1608:18
thread 'tokio-runtime-worker' panicked at 'called `Result::unwrap()` on an
`Err` value: Internal("Empty iterator passed to ScalarValue::iter_to_array")',
.cargo/registry/src/github.com-1ecc6299db9ec823/datafusion-common-13.0.0/src/scalar.rs:1608:18
+---------------------+
| ARRAYAGG(List([1])) |
+---------------------+
| [[1]] |
+---------------------+
1 row in set. Query took 0.004 seconds.
❯
```
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