andygrove commented on issue #540:
URL:
https://github.com/apache/datafusion-comet/issues/540#issuecomment-2156072408
I ran with a debug build and got a more detailed stack trace:
```
at
core::panicking::panic_fmt(/rustc/25ef9e3d85d934b27d9dada2f9dd52b1dc63bb04/library/core/src/panicking.rs:72)
at
core::slice::index::slice_end_index_len_fail_rt(/rustc/25ef9e3d85d934b27d9dada2f9dd52b1dc63bb04/library/core/src/slice/index.rs:76)
at
core::slice::index::slice_end_index_len_fail(/rustc/25ef9e3d85d934b27d9dada2f9dd52b1dc63bb04/library/core/src/slice/index.rs:68)
at <core::ops::range::Range<usize> as
core::slice::index::SliceIndex<[T]>>::index(/rustc/25ef9e3d85d934b27d9dada2f9dd52b1dc63bb04/library/core/src/slice/index.rs:394)
at core::slice::index::<impl core::ops::index::Index<I> for
[T]>::index(/rustc/25ef9e3d85d934b27d9dada2f9dd52b1dc63bb04/library/core/src/slice/index.rs:18)
at
arrow_data::transform::variable_size::extend_offset_values(/home/andy/.cargo/registry/src/index.crates.io-6f17d22bba15001f/arrow-data-52.0.0/src/transform/variable_size.rs:38)
at
arrow_data::transform::variable_size::build_extend::{{closure}}(/home/andy/.cargo/registry/src/index.crates.io-6f17d22bba15001f/arrow-data-52.0.0/src/transform/variable_size.rs:57)
at <alloc::boxed::Box<F,A> as
core::ops::function::Fn<Args>>::call(/rustc/25ef9e3d85d934b27d9dada2f9dd52b1dc63bb04/library/alloc/src/boxed.rs:2029)
at
arrow_data::transform::MutableArrayData::extend(/home/andy/.cargo/registry/src/index.crates.io-6f17d22bba15001f/arrow-data-52.0.0/src/transform/mod.rs:649)
at
comet::execution::operators::copy_array(/home/andy/git/apache/datafusion-comet/core/src/execution/operators/mod.rs:70)
```
The error happens in `extend_offset_values` on this line:
```rust
let new_values = &values[start_values..end_values];
```
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