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https://issues.apache.org/jira/browse/ARROW-17457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17581854#comment-17581854
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Weston Pace commented on ARROW-17457:
-------------------------------------
It is a bit spread out but we have some end-to-end tests on some of these
features. There are a few different round trip tests (and your examples) which
test the read relation. The tests in
{{arrow/engine/substrait/function_test.cc}} do round trip testing for Project
and Aggregate. We do not have any round trip tests that I know of for Filter
or Join.
> [C++] Substarit End-To-End Tests for Relations
> ----------------------------------------------
>
> Key: ARROW-17457
> URL: https://issues.apache.org/jira/browse/ARROW-17457
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Vibhatha Lakmal Abeykoon
> Assignee: Vibhatha Lakmal Abeykoon
> Priority: Major
>
> At the moment the test coverage for Substrait integration covers the
> functional tests for serializing and deserializing. But it lacks test for
> running end-to-end functional tests which proves whether a Substrait plan can
> deliver the expected outcome. As a part of this, for each relation (Read,
> Filter, Project, Join, Aggregate) must have end-to-end tests covering the
> options associated with each relation.
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