alamb commented on PR #9113:
URL:
https://github.com/apache/arrow-datafusion/pull/9113#issuecomment-1934169678
> Should we include the package/feature in `datafusion-cli/Cargo.toml`?
Since `array_expressions` is a default feature, these functions will (still)
be in datafusion-cli. I double checked this:
```rust
❯ select array_to_string([1,2,3], '---');
+---------------------------------------------------------------------+
| array_to_string(make_array(Int64(1),Int64(2),Int64(3)),Utf8("---")) |
+---------------------------------------------------------------------+
| 1---2---3 |
+---------------------------------------------------------------------+
1 row in set. Query took 0.006 seconds.
```
> Wondering what will happen if user built the cli without array functions
feature and tries to invoke array function in SQL
They will get a "no such function" error. It may be worth considering a way
to hint / add stub functions that could be registered that say something like
"no such function, but there is a function named `array_to_string` in feature
package array_functions" :thinking:
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