zeroshade opened a new pull request, #35654:
URL: https://github.com/apache/arrow/pull/35654
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### Rationale for this change
Providing the ability to execute more complex expressions than single
operations by leveraging Substrait's expression objects and deprecating the
existing separate Expression interfaces in Go Arrow compute. This provides a
quick integration with Substrait Expressions and ExtendedExpressions to start
building more integrations.
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### What changes are included in this PR?
This PR provides:
* an extension registry for Go arrow to provide mappings between Arrow and
substrait for functions and for types along with other custom mappings if
necessary.
* Facilities to convert between Arrow data types and Substrait types
* Functions to evaluate Substrait expression objects with Arrow data as the
input
* Functions to evaluate Substrait field references against Arrow data and
arrow schemas
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### Are these changes tested?
Yes, unit tests are included.
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### Are there any user-facing changes?
Existing `compute.Expression` and its friends are being marked as deprecated.
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