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https://issues.apache.org/jira/browse/ARROW-10922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17249876#comment-17249876
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Ben Kietzman commented on ARROW-10922:
--------------------------------------
Ideally the diff would consider a chunk boundary a different kind of symbol so
that when comparing {{["alpha", "beta", "gamma"]}} and {{["alpha"], ["gamma"]}}
we could see:
{code}
@@ -1, +1 @@
-"beta"
+<chunk boundary>
{code}
> [C++] Test utility PrintArrayDiff prints a different style when arrays differ
> in length
> ---------------------------------------------------------------------------------------
>
> Key: ARROW-10922
> URL: https://issues.apache.org/jira/browse/ARROW-10922
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Weston Pace
> Priority: Trivial
>
> For example, when comparing (expected) `[1, 2, 3]` with (actual) `[1, 2]` I
> would expect something like...
>
> Unequal at absolute position 2 <missing>
> Expected:
> - 2
> Actual:
> - <missing>
>
> Instead, the message is "Expected length 3 but was actually 2"
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