Giter VIP home page Giter VIP logo

Comments (12)

deanm0000 avatar deanm0000 commented on June 26, 2024 2

Completely unrelated to your issue but here's a little function I picked up from someone somewhere that generates random letters way faster than a comprehension with string.ascii_letters

def gen_long_string(str_len=10, n_rows=10_000_000):
    rng = np.random.default_rng()
    return rng.integers(low=96, high=122, size=n_rows * str_len, dtype="uint32").view(
        f"U{str_len}"
    )

if you want str_len to be random then you'd have to tweak that though.

from polars.

ritchie46 avatar ritchie46 commented on June 26, 2024 1

Relevant backtrace:

Thread 18 (Thread 0x7fffbddfe6c0 (LWP 30603) "polars-1"):
#0  0x00007ffff3155961 in polars_arrow::buffer::immutable::Buffer<u8>::as_slice<u8> (self=0x7fff70bb4488) at crates/polars-arrow/src/buffer/immutable.rs:118
#1  0x00007ffff3159dce in polars_arrow::buffer::immutable::{impl#9}::deref<u8> (self=0x7fff70bb4488) at crates/polars-arrow/src/buffer/immutable.rs:283
#2  0x00007ffff32b366b in polars_arrow::array::growable::binview::{impl#0}::hash<ahash::fallback_hash::AHasher> (self=0x7fffbddf5040, state=0x7fffbddf4fd8) at crates/polars-arrow/src/array/growable/binview.rs:22
#3  0x00007ffff31e5d7f in indexmap::map::IndexMap<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState>::hash<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, polars_arrow::array::growable::binview::BufferKey> (self=0x7fffbddf5838, key=0x7fffbddf5040) at /home/ritchie46/.cargo/registry/src/index.crates.io-6f17d22bba15001f/indexmap-2.2.6/src/map.rs:530
#4  0x00007ffff31e59e5 in indexmap::map::IndexMap<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState>::insert_full<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState> (self=0x7fffbddf5838, key=..., value=()) at /home/ritchie46/.cargo/registry/src/index.crates.io-6f17d22bba15001f/indexmap-2.2.6/src/map.rs:414
#5  0x00007ffff31e5dd3 in indexmap::map::IndexMap<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState>::insert<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState> (self=0x7fffbddf5838, key=..., value=()) at /home/ritchie46/.cargo/registry/src/index.crates.io-6f17d22bba15001f/indexmap-2.2.6/src/map.rs:398
#6  0x00007ffff31e547c in indexmap::map::{impl#14}::extend::{closure#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>> () at /home/ritchie46/.cargo/registry/src/index.crates.io-6f17d22bba15001f/indexmap-2.2.6/src/map.rs:1365
#7  0x00007ffff304e39e in core::iter::traits::iterator::Iterator::for_each::call::{closure#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{--Type <RET> for more, q to quit, c to continue without paging--
closure_env#1}<str>>>>>> (item=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/traits/iterator.rs:814
#8  0x00007ffff338b671 in core::iter::adapters::map::map_fold::{closure#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>> (acc=(), elt=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:89
#9  0x00007ffff337c52c in core::ops::function::impls::{impl#3}::call_mut<((), polars_arrow::array::growable::binview::BufferKey), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>> (self=0x7fffbddf5200, args=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/ops/function.rs:294
#10 0x00007ffff33922c1 in core::iter::adapters::map::map_fold::{closure#0}<&polars_arrow::buffer::immutable::Buffer<u8>, polars_arrow::array::growable::binview::BufferKey, (), polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>, &mut core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>> (acc=(), elt=0x7fff70bb4488) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:89
#11 0x00007ffff32141af in core::slice::iter::{impl#181}::fold<polars_arrow::buffer::immutable::Buffer<u8>, (), core::iter::adapters::map::map_fold::{closure_env#0}<&polars_arrow::buffer::immutable::Buffer<u8>, polars_arrow::array::growable::binview::BufferKey, (), polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>, &mut core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>>> (self=..., init=(), f=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/slice/iter/macros.rs:232
#12 0x00007ffff335b393 in core::iter::adapters::map::{impl#2}::fold<polars_arrow::array::growable::binview::BufferKey, core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>, (), &mut core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Itera--Type <RET> for more, q to quit, c to continue without paging-- 
tor::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>> (self=..., init=(), g=0x7fffbddf5588) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:129
#13 0x00007ffff3569413 in core::iter::adapters::flatten::{impl#35}::fold::flatten::{closure#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>> (acc=(), iter=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/flatten.rs:665
#14 0x00007ffff356ab19 in core::iter::adapters::flatten::{impl#33}::iter_fold::flatten::{closure#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::flatten::{impl#35}::fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>>> (acc=(), iter=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/flatten.rs:475
#15 0x00007ffff338a875 in core::iter::adapters::map::map_fold::{closure#0}<&&polars_arrow::array::binview::BinaryViewArrayGeneric<str>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>, core::iter::adapters::flatten::{impl#33}::iter_fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::flatten::{impl#35}::fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>>>> (acc=(), elt=0x7fff70ac8620) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:89
#16 0x00007ffff3211e3b in core::slice::iter::{impl#181}::fold<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>, (), core::iter::adapters::map::map_fold::{closure_env#0}<&&polars_arrow::array::binview::BinaryViewArrayGeneric<str>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>, core::iter::adapters::flatten::{impl#33}::iter_fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::flatten::{impl#35}::fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{clo--Type <RET> for more, q to quit, c to continue without paging--
sure#1}::{closure_env#0}<str>>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>>>>> (self=..., init=(), f=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/slice/iter/macros.rs:232
#17 0x00007ffff335cf03 in core::iter::adapters::map::{impl#2}::fold<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>, (), core::iter::adapters::flatten::{impl#33}::iter_fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::flatten::{impl#35}::fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>>>> (self=..., init=(), g=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:129
#18 0x00007ffff335683c in core::iter::adapters::fuse::{impl#3}::fold<core::iter::adapters::map::Map<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, (), core::iter::adapters::flatten::{impl#33}::iter_fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::flatten::{impl#35}::fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>>>> (self=..., acc=(), fold=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/fuse.rs:98
#19 0x00007ffff356a951 in core::iter::adapters::flatten::FlattenCompat<core::iter::adapters::map::Map<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>>::iter_fold<core::iter::adapters::map::Map<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::flatten::{impl#35}::fold::flatten::{closure_env#0}<core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>--Type <RET> for more, q to quit, c to continue without paging--
>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>>> (self=..., acc=(), fold=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/flatten.rs:482
#20 0x00007ffff3569397 in core::iter::adapters::flatten::{impl#35}::fold<core::iter::adapters::map::Map<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>> (self=..., init=(), fold=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/flatten.rs:668
#21 0x00007ffff35692b1 in core::iter::adapters::flatten::{impl#3}::fold<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (polars_arrow::array::growable::binview::BufferKey, ()), (), indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>>> (self=..., init=(), fold=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/flatten.rs:89
#22 0x00007ffff3361a6b in core::iter::adapters::map::{impl#2}::fold<(polars_arrow::array::growable::binview::BufferKey, ()), core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>, (), core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<(polars_arrow::array::growable::binview::BufferKey, ()), indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>>> (self=..., init=(), g=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:129
#23 0x00007ffff3385249 in core::iter::traits::iterator::Iterator::for_each<core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>, indexmap::map::{impl#14}::extend::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryVi--Type <RET> for more, q to quit, c to continue without paging--
ewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>>> (self=..., f=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/traits/iterator.rs:817
#24 0x00007ffff31e528b in indexmap::map::{impl#14}::extend<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>> (self=0x7fffbddf5838, iterable=...) at /home/ritchie46/.cargo/registry/src/index.crates.io-6f17d22bba15001f/indexmap-2.2.6/src/map.rs:1364
#25 0x00007ffff31e56e3 in indexmap::map::{impl#12}::from_iter<polars_arrow::array::growable::binview::BufferKey, (), ahash::random_state::RandomState, core::iter::adapters::map::Map<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::{impl#9}::from_iter::{closure_env#0}<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>>>> (iterable=...) at /home/ritchie46/.cargo/registry/src/index.crates.io-6f17d22bba15001f/indexmap-2.2.6/src/map.rs:1312
#26 0x00007ffff356479b in indexmap::set::{impl#9}::from_iter<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState, core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>> (iterable=...) at /home/ritchie46/.cargo/registry/src/index.crates.io-6f17d22bba15001f/indexmap-2.2.6/src/set.rs:994
#27 0x00007ffff356a6ce in core::iter::traits::iterator::Iterator::collect<core::iter::adapters::flatten::FlatMap<core::slice::iter::Iter<&polars_arrow::array::binview::BinaryViewArrayGeneric<str>>, core::iter::adapters::map::Map<core::slice::iter::Iter<polars_arrow::buffer::immutable::Buffer<u8>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure#1}::{closure_env#0}<str>>, polars_arrow::array::growable::binview::{impl#3}::new::{closure_env#1}<str>>, indexmap::set::IndexSet<polars_arrow::array::growable::binview::BufferKey, ahash::random_state::RandomState>> (self=<error reading variable: Cannot access memory at address 0x12>) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/traits/iterator.rs:2003
#28 0x00007ffff32b3883 in polars_arrow::array::growable::binview::GrowableBinaryViewArray<str>::new<str> (arrays=..., capacity=20000) at crates/polars-arrow/src/array/growable/binview.rs:65
#29 0x00007ffff316d67f in polars_arrow::array::growable::make_growable (arrays=..., use_validity=false, capacity=20000) at crates/polars-arrow/src/array/growable/mod.rs:141
#30 0x00007ffff354309a in polars_arrow::array::growable::structure::{impl#0}::new::{closure#2} (i=0) at crates/polars-arrow/src/array/growable/structure.rs:38
#31 0x00007ffff338af4b in core::iter::adapters::map::map_fold::{closure#0}<usize, alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, (), polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>>>> (acc=(), elt=0) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:89
#32 0x00007ffff31e4465 in core::iter::traits::iterator::Iterator::fold<core::ops::range::Range<usize>, (), core::iter::adapters::map::map_fold::{closure_env#0}<usize, alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, (), polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>>>>> (self=..., init=(), f=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/traits/iterator.rs:2587
#33 0x00007ffff336137f in core::iter::adapters::map::{impl#2}::fold<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}, (), core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>>>> (self=..., init=(), g=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:129
#34 0x00007ffff3386e86 in core::iter::traits::iterator::Iterator::for_each<core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>>> (self=..., f=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/traits/iterator.rs:817
#35 0x00007ffff3101157 in alloc::vec::Vec<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::alloc::Global>::extend_trusted<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>> (self=0x7fffbddf7c80, iterator=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/mod.rs:3047
#36 0x00007ffff314676b in alloc::vec::spec_extend::{impl#1}::spec_extend<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>, alloc::alloc::Global> (self=0x7fffbddf7c80, iterator=<error reading variable: Cannot access memory at address 0x12>) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/spec_extend.rs:26
--Type <RET> for more, q to quit, c to continue without paging--
#37 0x00007ffff30e7a23 in alloc::vec::spec_from_iter_nested::{impl#1}::from_iter<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>> (iterator=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/spec_from_iter_nested.rs:62
#38 0x00007ffff31492fe in alloc::vec::spec_from_iter::{impl#0}::from_iter<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>> (iterator=<error reading variable: Cannot access memory at address 0x12>) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/spec_from_iter.rs:33
#39 0x00007ffff3141777 in alloc::vec::{impl#15}::from_iter<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>> (iter=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/mod.rs:2921
#40 0x00007ffff338076e in core::iter::traits::iterator::Iterator::collect<core::iter::adapters::map::Map<core::ops::range::Range<usize>, polars_arrow::array::growable::structure::{impl#0}::new::{closure_env#2}>, alloc::vec::Vec<alloc::boxed::Box<dyn polars_arrow::array::growable::Growable, alloc::alloc::Global>, alloc::alloc::Global>> (self=<error reading variable: Cannot access memory at address 0x12>) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/traits/iterator.rs:2003
#41 0x00007ffff3566e84 in polars_arrow::array::growable::structure::GrowableStruct::new (arrays=..., capacity=20000) at crates/polars-arrow/src/array/growable/structure.rs:36
#42 0x00007ffff316d411 in polars_arrow::array::growable::make_growable (arrays=..., use_validity=false, capacity=20000) at crates/polars-arrow/src/array/growable/mod.rs:125
#43 0x00007ffff34070f6 in polars_arrow::compute::concatenate::concatenate (arrays=...) at crates/polars-arrow/src/compute/concatenate.rs:38
#44 0x00007ffff325e5b8 in polars_arrow::legacy::array::list::AnonymousBuilder::finish (self=..., inner_dtype=...) at crates/polars-arrow/src/legacy/array/list.rs:153
#45 0x00007ffff13ffbb0 in polars_arrow::array::static_array_collect::{impl#26}::arr_from_iter_with_dtype<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, core::iter::adapters::map::Map<core::iter::adapters::copied::Copied<core::slice::iter::Iter<u32>>, polars_core::chunked_array::ops::gather::gather_idx_array_unchecked::{closure_env#2}<polars_arrow::array::list::ListArray<i64>>>> (dtype=..., iter=...) at crates/polars-arrow/src/array/static_array_collect.rs:867
#46 0x00007ffff0dc0581 in polars_arrow::array::static_array_collect::ArrayFromIterDtype::arr_from_iter_trusted_with_dtype<polars_arrow::array::list::ListArray<i64>, alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, core::iter::adapters::map::Map<core::iter::adapters::copied::Copied<core::slice::iter::Iter<u32>>, polars_core::chunked_array::ops::gather::gather_idx_array_unchecked::{closure_env#2}<polars_arrow::array::list::ListArray<i64>>>> (dtype=..., iter=...) at crates/polars-arrow/src/array/static_array_collect.rs:28
#47 polars_arrow::array::static_array_collect::ArrayCollectIterExt::collect_arr_trusted_with_dtype<core::iter::adapters::map::Map<core::iter::adapters::copied::Copied<core::slice::iter::Iter<u32>>, polars_core::chunked_array::ops::gather::gather_idx_array_unchecked::{closure_env#2}<polars_arrow::array::list::ListArray<i64>>>, polars_arrow::array::list::ListArray<i64>> (self=..., dtype=...) at crates/polars-arrow/src/array/static_array_collect.rs:181
#48 polars_core::chunked_array::ops::gather::gather_idx_array_unchecked<polars_arrow::array::list::ListArray<i64>> (dtype=..., targets=..., has_nulls=false, indices=...) at crates/polars-core/src/chunked_array/ops/gather.rs:129
#49 0x00007ffff0dc6590 in polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure#0}<polars_core::datatypes::ListType> (idx_arr=0x7fff70a1e100) at crates/polars-core/src/chunked_array/ops/gather.rs:214
#50 0x00007ffff078b1df in core::iter::adapters::map::map_fold::{closure#0}<&polars_arrow::array::primitive::PrimitiveArray<u32>, polars_arrow::array::list::ListArray<i64>, (), polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>, core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::list::ListArray<i64>, alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, (), polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>>>>> (acc=(), elt=0x7fff70a1e100) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:89
#51 0x00007ffff07b1241 in core::iter::adapters::map::map_fold::{closure#0}<&alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, &polars_arrow::array::primitive::PrimitiveArray<u32>, (), polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>, core::iter::adapters::map::map_fold::{closure_env#0}<&polars_arrow::array::primitive::PrimitiveArray<u32>, polars_arrow::array::list::ListArray<i64>, (), polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>, core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::list::ListArray<i64>, alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, (), polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::o--Type <RET> for more, q to quit, c to continue without paging--
ps::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>>>>>> (acc=(), elt=0x7fffbd014010) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:89
#52 0x00007ffff0bb6f3c in core::slice::iter::{impl#181}::fold<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, (), core::iter::adapters::map::map_fold::{closure_env#0}<&alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, &polars_arrow::array::primitive::PrimitiveArray<u32>, (), polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>, core::iter::adapters::map::map_fold::{closure_env#0}<&polars_arrow::array::primitive::PrimitiveArray<u32>, polars_arrow::array::list::ListArray<i64>, (), polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>, core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::list::ListArray<i64>, alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, (), polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>>>>>>> (self=..., init=(), f=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/slice/iter/macros.rs:232
#53 0x00007ffff06847c9 in core::iter::adapters::map::{impl#2}::fold<&polars_arrow::array::primitive::PrimitiveArray<u32>, core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>, (), core::iter::adapters::map::map_fold::{closure_env#0}<&polars_arrow::array::primitive::PrimitiveArray<u32>, polars_arrow::array::list::ListArray<i64>, (), polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>, core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::list::ListArray<i64>, alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, (), polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>>>>>> (self=..., init=(), g=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:129
#54 0x00007ffff068591f in core::iter::adapters::map::{impl#2}::fold<polars_arrow::array::list::ListArray<i64>, core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>, (), core::iter::adapters::map::map_fold::{closure_env#0}<polars_arrow::array::list::ListArray<i64>, alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, (), polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>, core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>>>>> (self=..., init=(), g=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:129
#55 0x00007ffff06635fd in core::iter::adapters::map::{impl#2}::fold<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>, (), core::iter::traits::iterator::Iterator::for_each::call::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}--Type <RET> for more, q to quit, c to continue without paging--
::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>>>> (self=..., init=(), g=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/adapters/map.rs:129
#56 0x00007ffff072ff06 in core::iter::traits::iterator::Iterator::for_each<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>, alloc::vec::{impl#20}::extend_trusted::{closure_env#0}<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>>> (self=..., f=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/traits/iterator.rs:817
#57 0x00007ffff0f24287 in alloc::vec::Vec<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global>::extend_trusted<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>> (self=0x7fffbddfb690, iterator=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/mod.rs:3047
#58 0x00007ffff106093b in alloc::vec::spec_extend::{impl#1}::spec_extend<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>, alloc::alloc::Global> (self=0x7fffbddfb690, iterator=<error reading variable: Cannot access memory at address 0x12>) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/spec_extend.rs:26
#59 0x00007ffff0e63393 in alloc::vec::spec_from_iter_nested::{impl#1}::from_iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>> (iterator=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/spec_from_iter_nested.rs:62
#60 0x00007ffff10632ce in alloc::vec::spec_from_iter::{impl#0}::from_iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>> (iterator=<error reading variable: Cannot access memory at address 0x12>) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/spec_from_iter.rs:33
#61 0x00007ffff104dd27 in alloc::vec::{impl#15}::from_iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>> (iter=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/alloc/src/vec/mod.rs:2921
#62 0x00007ffff0718c8e in core::iter::traits::iterator::Iterator::collect<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>, polars_core::chunked_array::from::{impl#1}::from_chunk_iter_like::{closure_env#0}<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::--Type <RET> for more, q to quit, c to continue without paging--
downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>>>, alloc::vec::Vec<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>, alloc::alloc::Global>> (self=<error reading variable: Cannot access memory at address 0x12>) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/iter/traits/iterator.rs:2003
#63 0x00007ffff0cd0e8c in polars_core::chunked_array::ChunkedArray<polars_core::datatypes::ListType>::from_chunk_iter_like<polars_core::datatypes::ListType, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::slice::iter::Iter<alloc::boxed::Box<dyn polars_arrow::array::Array, alloc::alloc::Global>>, polars_core::chunked_array::ops::downcast::{impl#1}::downcast_iter::{closure_env#0}<polars_core::datatypes::UInt32Type>>, polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked::{closure_env#0}<polars_core::datatypes::ListType>>> (ca=0x7fff70a03cd0, iter=...) at crates/polars-core/src/chunked_array/from.rs:126
#64 0x00007ffff0c46bf0 in polars_core::chunked_array::ops::gather::{impl#20}::take_unchecked<polars_core::datatypes::ListType> (self=0x7fff70a03cd0, indices=0x7fffbddfccc8) at crates/polars-core/src/chunked_array/ops/gather.rs:244
#65 0x00007ffff1449876 in polars_core::series::implementations::list::{impl#1}::take_unchecked (self=0x7fff70a03cd0, indices=0x7fffbddfccc8) at crates/polars-core/src/series/implementations/list.rs:97
#66 0x00007ffff28693cd in polars_core::frame::{impl#0}::take_unchecked_impl::{closure#0}::{closure#0} (s=0x7fffbd014030) at crates/polars-core/src/frame/mod.rs:1714
#67 0x00007ffff0d7c7f3 in core::ops::function::impls::{impl#0}::call<(&polars_core::series::Series), (dyn core::ops::function::Fn<(&polars_core::series::Series), Output=polars_core::series::Series> + core::marker::Send + core::marker::Sync)> (self=0x7fffbddfc3b8, args=...) at /rustc/c9f8f3438a8134a413aa5d4903e0196e44e37bbc/library/core/src/ops/function.rs:262
#68 0x00007ffff0d7ca9f in core::ops::function::impls::{impl#1}::call_mut<(&polars_core::series::Series), &(dyn core::ops::function::Fn<(&polars_core::series::Series), Output=polars_core::series::Series>

from polars.

cmdlineluser avatar cmdlineluser commented on June 26, 2024 1

I can reproduce this on main.

As this is a p-high issue - tagging @ritchie46 seems appropriate.

from polars.

ritchie46 avatar ritchie46 commented on June 26, 2024 1

Will take a look tomorrow.

from polars.

karlwiese avatar karlwiese commented on June 26, 2024 1

@cmdlineluser Thank you for your feedback. Looking at your issue I doubt it is related. Your example faults with minimal data as where my issues is related to the size of data. I'll create a new issue.

from polars.

ritchie46 avatar ritchie46 commented on June 26, 2024

Is it only slower or does it never release memory? We did a huge rework of our internal string representation, so some stuff might be slower. More stuff sped up though.

from polars.

cmdlineluser avatar cmdlineluser commented on June 26, 2024

Trying limit = 100_000 it takes 160 seconds on the latest version - memory usage stays as 4%.

On 0.20.5 it takes 0.5 seconds.

from polars.

ritchie46 avatar ritchie46 commented on June 26, 2024

Alright, that seems something quadratic. Will look into it.

from polars.

karlwiese avatar karlwiese commented on June 26, 2024

First of all, thank you for your amazing speed! The momentum here is awesome!

Is it only slower or does it never release memory? We did a huge rework of our internal string representation, so some stuff might be slower. More stuff sped up though.

My "production" code always goes OOM with version 0.20.6. In version 0.20.19 it just runs forever and keeps a certain memory level.

from polars.

karlwiese avatar karlwiese commented on June 26, 2024

Hey! I can still create a quadratic behavior. Should I open a new issue or is it fine re-using this one?

import time

import numpy as np
import polars as pl


def gen_long_string(str_len, n_rows):
    rng = np.random.default_rng()
    return rng.integers(low=96, high=122, size=n_rows * str_len, dtype="uint32").view(
        f"U{str_len}"
    )

print(pl.__version__)
limit = 30_000

lf1 = pl.LazyFrame({"index1": np.repeat(range(int(limit / 2)), 2), "index2": range(limit)})
lf2 = pl.LazyFrame(
    {
        "index2": np.repeat(range(limit), 2),
        "string": gen_long_string(15, limit * 2),
    }
)

lf2 = lf2.group_by("index2").agg(pl.struct(pl.exclude(["index1", "index2"])))

lf1 = lf1.join(lf2, on="index2")  # this line is now fast and was previously slow (<0.20.20)

t0 = time.time()
(
    lf1
    .group_by("index1")
    .agg(pl.struct(pl.exclude(["index1"])))
    .collect()
)
t1 = time.time()
print(t1 - t0)

It prints around 5 seconds for 0.20.21 and 0.1 seconds for 0.20.5.

I observed different behavior in my "production" code. While it runs the memory slowly increases instead of staying at a certain level.

from polars.

karlwiese avatar karlwiese commented on June 26, 2024

Hey! Thank you for the extremely fast handling of the issue so far. And sorry to bother you again.

I see OOM issues now after the fix of the quadratic growable.

If I profile the exact same code as above with memory_profiler I get much higher memory usage with 0.20.22 compared to 0.20.5.

I searched for out of memory issues but reading through them they seem not related.

Should I create another issue or is it fine to re-use this one?

Code and output
import time

import numpy as np
import polars as pl
from memory_profiler import profile


@profile
def run():
    print(pl.__version__)
    limit = 500_000
    print(limit)

    def gen_long_string(str_len, n_rows):
        rng = np.random.default_rng()
        return rng.integers(low=96, high=122, size=n_rows * str_len, dtype="uint32").view(
            f"U{str_len}"
        )

    lf1 = pl.LazyFrame({"index1": np.repeat(range(int(limit / 2)), 2), "index2": range(limit)})
    lf2 = pl.LazyFrame(
        {
            "index2": np.repeat(range(limit), 2),
            "string": gen_long_string(15, limit * 2),
        }
    )

    lf2 = lf2.group_by("index2").agg(pl.struct(pl.exclude(["index1", "index2"])))

    lf1 = lf1.join(lf2, on="index2")  # this line is now fast and was previously slow (<0.20.20)

    t0 = time.time()
    (
        lf1
        .group_by("index1")
        .agg(pl.struct(pl.exclude(["index1"])))
        .collect()  # this line is now fast and was previously slow (<0.20.22) but uses a lot of memory
    )
    t1 = time.time()
    print(t1 - t0)


if __name__ == "__main__":
    run()

Output for 0.20.5

0.20.5
500000
keys/aggregates are not partitionable: running default HASH AGGREGATION
join parallel: true
keys/aggregates are not partitionable: running default HASH AGGREGATION
INNER join dataframes finished
1.6011829376220703

Line #    Mem usage    Increment  Occurrences   Line Contents
=============================================================
    71    119.2 MiB    119.2 MiB           1   @profile
    72                                         def run_min_old():
    73    119.2 MiB      0.0 MiB           1       print(pl.__version__)
    74    119.2 MiB      0.0 MiB           1       limit = 500_000
    75    119.2 MiB      0.0 MiB           1       print(limit)
    76                                         
    77    152.7 MiB      0.0 MiB           2       def gen_long_string(str_len, n_rows):
    78    152.7 MiB      0.0 MiB           1           rng = np.random.default_rng()
    79    210.1 MiB     57.3 MiB           2           return rng.integers(low=96, high=122, size=n_rows * str_len, dtype="uint32").view(
    80    210.1 MiB      0.0 MiB           1               f"U{str_len}"
    81                                                 )
    82                                         
    83    137.7 MiB     18.5 MiB           1       lf1 = pl.LazyFrame({"index1": np.repeat(range(int(limit / 2)), 2), "index2": range(limit)})
    84    240.6 MiB     30.6 MiB           2       lf2 = pl.LazyFrame(
    85    210.1 MiB      0.0 MiB           1           {
    86    152.7 MiB     15.0 MiB           1               "index2": np.repeat(range(limit), 2),
    87    210.1 MiB      0.0 MiB           1               "string": gen_long_string(15, limit * 2),
    88                                                 }
    89                                             )
    90                                         
    91    240.8 MiB      0.1 MiB           1       lf2 = lf2.group_by("index2").agg(pl.struct(pl.exclude(["index1", "index2"])))
    92                                         
    93    240.8 MiB      0.1 MiB           1       lf1 = lf1.join(lf2, on="index2")  # this line is now fast and was previously slow (<0.20.20)
    94                                         
    95    240.8 MiB      0.0 MiB           1       t0 = time.time()
    96                                             (
    97    240.8 MiB      0.0 MiB           1           lf1
    98    240.8 MiB      0.0 MiB           1           .group_by("index1")
    99    240.8 MiB      0.0 MiB           1           .agg(pl.struct(pl.exclude(["index1"])))
   100    477.1 MiB    236.3 MiB           1           .collect()
   101                                             )
   102    477.1 MiB      0.0 MiB           1       t1 = time.time()
   103    477.1 MiB      0.0 MiB           1       print(t1 - t0)

Output for 0.20.22

0.20.22
500000
keys/aggregates are not partitionable: running default HASH AGGREGATION
join parallel: true
keys/aggregates are not partitionable: running default HASH AGGREGATION
INNER join dataframes finished
2.1314499378204346

Line #    Mem usage    Increment  Occurrences   Line Contents
=============================================================
    71    118.8 MiB    118.8 MiB           1   @profile
    72                                         def run_min_old():
    73    118.8 MiB      0.0 MiB           1       print(pl.__version__)
    74    118.8 MiB      0.0 MiB           1       limit = 500_000
    75    118.8 MiB      0.0 MiB           1       print(limit)
    76                                         
    77    147.7 MiB      0.0 MiB           2       def gen_long_string(str_len, n_rows):
    78    147.7 MiB      0.0 MiB           1           rng = np.random.default_rng()
    79    205.0 MiB     57.3 MiB           2           return rng.integers(low=96, high=122, size=n_rows * str_len, dtype="uint32").view(
    80    205.0 MiB      0.0 MiB           1               f"U{str_len}"
    81                                                 )
    82                                         
    83    132.7 MiB     13.9 MiB           1       lf1 = pl.LazyFrame({"index1": np.repeat(range(int(limit / 2)), 2), "index2": range(limit)})
    84    258.5 MiB     53.5 MiB           2       lf2 = pl.LazyFrame(
    85    205.0 MiB      0.0 MiB           1           {
    86    147.7 MiB     15.0 MiB           1               "index2": np.repeat(range(limit), 2),
    87    205.0 MiB      0.0 MiB           1               "string": gen_long_string(15, limit * 2),
    88                                                 }
    89                                             )
    90                                         
    91    258.7 MiB      0.2 MiB           1       lf2 = lf2.group_by("index2").agg(pl.struct(pl.exclude(["index1", "index2"])))
    92                                         
    93    258.9 MiB      0.1 MiB           1       lf1 = lf1.join(lf2, on="index2")  # this line is now fast and was previously slow (<0.20.20)
    94                                         
    95    258.9 MiB      0.0 MiB           1       t0 = time.time()
    96                                             (
    97    258.9 MiB      0.0 MiB           1           lf1
    98    258.9 MiB      0.0 MiB           1           .group_by("index1")
    99    258.9 MiB      0.0 MiB           1           .agg(pl.struct(pl.exclude(["index1"])))
   100   5073.8 MiB   4814.9 MiB           1           .collect()
   101                                             )
   102   5073.8 MiB      0.0 MiB           1       t1 = time.time()
   103   5073.8 MiB      0.0 MiB           1       print(t1 - t0)

from polars.

cmdlineluser avatar cmdlineluser commented on June 26, 2024

I would guess that creating a new issue may be the better option here?

From what I have experienced, it is less likely to get a response in a closed issue unless someone is tagged specifically.

I did file #15834 yesterday which is also a list of structs inside .agg() - it may be a minimal version of this.

(although I couldn't trigger it without quantile - so it may be unrelated)

from polars.

Related Issues (20)

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google ❤️ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.