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Posted to github@arrow.apache.org by "rluvaton (via GitHub)" <gi...@apache.org> on 2025/06/23 14:56:00 UTC
[I] Panic (offset + length) <= self.len() in `make_array` on sliced struct in arrow 55 [arrow-rs]
rluvaton opened a new issue, #7750:
URL: https://github.com/apache/arrow-rs/issues/7750
**Describe the bug**
Panic when trying to call `make_array` on sliced struct, this does not fail on tag `54.3.0` and it does fail on `55.0.0`, `55.1.0` and `master`
**To Reproduce**
The following test panic:
```rust
#[test]
fn debug() {
let strings: ArrayRef = Arc::new(StringArray::from(vec![
Some("joe"),
None,
None,
Some("mark"),
Some("doe"),
]));
let ints: ArrayRef = Arc::new(Int32Array::from(vec![
Some(1),
Some(2),
Some(3),
Some(4),
Some(5),
]));
let array = StructArray::try_from(vec![("f1", strings.clone()), ("f2", ints.clone())])
.unwrap()
.into_data()
.slice(1, 3);
let arrays: ArrayRef = arrow::array::make_array(array.clone());
}
```
With:
```
assertion failed: (offset + length) <= self.len()
thread 'debug' panicked at arrow-data/src/data.rs:550:9:
assertion failed: (offset + length) <= self.len()
stack backtrace:
0: __rustc::rust_begin_unwind
at /rustc/17067e9ac6d7ecb70e50f92c1944e545188d2359/library/std/src/panicking.rs:697:5
1: core::panicking::panic_fmt
at /rustc/17067e9ac6d7ecb70e50f92c1944e545188d2359/library/core/src/panicking.rs:75:14
2: core::panicking::panic
at /rustc/17067e9ac6d7ecb70e50f92c1944e545188d2359/library/core/src/panicking.rs:145:5
3: arrow_data::data::ArrayData::slice
at /Users/rluvaton/dev/open-source/apache/arrow-rs/arrow-data/src/data.rs:550:9
4: <arrow_array::array::struct_array::StructArray as core::convert::From<arrow_data::data::ArrayData>>::from::{{closure}}
at /Users/rluvaton/dev/open-source/apache/arrow-rs/arrow-array/src/array/struct_array.rs:358:32
5: core::iter::adapters::map::map_fold::{{closure}}
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:88:28
6: <core::slice::iter::Iter<T> as core::iter::traits::iterator::Iterator>::fold
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/slice/iter/macros.rs:255:27
7: <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::fold
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:128:9
8: core::iter::traits::iterator::Iterator::for_each
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:800:9
9: alloc::vec::Vec<T,A>::extend_trusted
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:3579:17
10: <alloc::vec::Vec<T,A> as alloc::vec::spec_extend::SpecExtend<T,I>>::spec_extend
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/vec/spec_extend.rs:29:9
11: <alloc::vec::Vec<T> as alloc::vec::spec_from_iter_nested::SpecFromIterNested<T,I>>::from_iter
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/vec/spec_from_iter_nested.rs:62:9
12: <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/vec/spec_from_iter.rs:34:9
13: <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:3438:9
14: core::iter::traits::iterator::Iterator::collect
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:1985:9
15: <arrow_array::array::struct_array::StructArray as core::convert::From<arrow_data::data::ArrayData>>::from
at /Users/rluvaton/dev/open-source/apache/arrow-rs/arrow-array/src/array/struct_array.rs:353:22
16: arrow_array::array::make_array
at /Users/rluvaton/dev/open-source/apache/arrow-rs/arrow-array/src/array/mod.rs:814:41
17: array_transform::debug
at ./tests/array_transform.rs:1178:28
18: array_transform::debug::{{closure}}
at ./tests/array_transform.rs:1157:11
19: core::ops::function::FnOnce::call_once
at /Users/rluvaton/.rustup/toolchains/1.87.0-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/ops/function.rs:250:5
20: core::ops::function::FnOnce::call_once
at /rustc/17067e9ac6d7ecb70e50f92c1944e545188d2359/library/core/src/ops/function.rs:250:5
```
**Expected behavior**
Should not panic
**Additional context**
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Re: [I] Panic (offset + length) <= self.len() in `make_array` on sliced struct in arrow 55 [arrow-rs]
Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.
Jefffrey closed issue #7750: Panic (offset + length) <= self.len() in `make_array` on sliced struct in arrow 55
URL: https://github.com/apache/arrow-rs/issues/7750
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