feat: allow merge_execute to release the GIL #2091
Merged
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Description
This allows calls to
merge_execute
to release the GIL to allow other python threads to carry on in parallel.I believe this is safe because every argument is a rust-marshaled type apart from
source
which is pyarrow-marshaled and C under the hood. All pyarrow types are immutable I believe, so by this point it should be safe to read with the GIL unlocked.Related Issue(s)
it looks like there is a change in the works (PyO3/pyo3#3610) to allow this to be an attribute but it's not ready yet. For now it looks a little ugly putting it in the closure.