xudong963 commented on PR #2177:
URL:
https://github.com/apache/arrow-datafusion/pull/2177#issuecomment-1093964538
BTW, from clippy:
```
error: unneeded `return` statement
--> datafusion/core/src/physical_plan/functions.rs:752:9
|
752 | return Ok(ColumnarValue::Array(result));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove
`return`: `Ok(ColumnarValue::Array(result))`
|
= note: `-D clippy::needless-return` implied by `-D warnings`
= help: for further information visit
https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
error: could not compile `datafusion` due to previous error
warning: build failed, waiting for other jobs to finish...
error: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is
equivalent
--> datafusion/core/src/execution/context.rs:3527:32
|
3527 | let start_number =
start_arr.into_iter().nth(0).unwrap().unwrap_or(0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try
calling `.next()` instead of `.nth(0)`: `start_arr.into_iter().next()`
|
= note: `-D clippy::iter-nth-zero` implied by `-D warnings`
= help: for further information visit
https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
error: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is
equivalent
--> datafusion/core/src/execution/context.rs:3533:30
|
3533 | let end_number =
end_arr.into_iter().nth(0).unwrap().unwrap_or(0) + 1;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try
calling `.next()` instead of `.nth(0)`: `end_arr.into_iter().next()`
|
= help: for further information visit
https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
error: build failed
```
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