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Posted to jira@arrow.apache.org by "Liya Fan (Jira)" <ji...@apache.org> on 2022/01/24 13:25:00 UTC
[jira] [Resolved] (ARROW-15414) RangeEqualsVisitor does not work for BitVector
[ https://issues.apache.org/jira/browse/ARROW-15414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Liya Fan resolved ARROW-15414.
------------------------------
Fix Version/s: 7.0.0
Resolution: Fixed
Issue resolved by pull request 12229
[https://github.com/apache/arrow/pull/12229]
> RangeEqualsVisitor does not work for BitVector
> ----------------------------------------------
>
> Key: ARROW-15414
> URL: https://issues.apache.org/jira/browse/ARROW-15414
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Affects Versions: 6.0.1
> Reporter: Frank Wong
> Assignee: Frank Wong
> Priority: Critical
> Labels: pull-request-available
> Fix For: 7.0.0
>
> Original Estimate: 48h
> Time Spent: 50m
> Remaining Estimate: 47h 10m
>
> Looks like the RangeEqualsVisitor's logic to BaseFixedWidthVectors doesn't work for BitVector because the typeWidth of BitVector is 0.
> Here is the example.
> {code:java}
> try (final BitVector vector1 = new BitVector("bit", allocator);
> final BitVector vector2 = new BitVector("bit", allocator)) {
> setVector(vector1, 0, 1, 0);
> setVector(vector2, 1, 1, 0);
> VectorEqualsVisitor visitor = new VectorEqualsVisitor();
> // Fail here
> assertFalse(visitor.vectorEquals(vector1, vector2));
> vector1.set(0, 1);
> assertTrue(visitor.vectorEquals(vector1, vector2));
> } {code}
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