Move ffi stream and utils from arrow to arrow-array #5670
Merged
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Which issue does this PR close?
Closes #5663.
Rationale for this change
We have to depend on
arrow
for using the C Stream Interface for ADBC but we would prefer to depend on smaller crates. See apache/arrow-adbc#1725 (comment)Are there any user-facing changes?
I don't think so but please double check.
Notes
I had to remove usage of compute kernels within tests because this introduces a dev-dependency cycle (arrow-array <-> arrow-arith) which is problematic for the
Array
trait. See https://doc.rust-lang.org/cargo/reference/resolver.html#dev-dependency-cyclesI had to redefine
Result<T> = std::result::Result<T, ArrowError>
because it's only defined inarrow
. Maybe we should move it toarrow_schema
alongsideArrowError
.