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https://issues.apache.org/jira/browse/ARROW-15414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Frank Wong reassigned ARROW-15414:
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Assignee: Frank Wong
> 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: 8.0.0
>
> Original Estimate: 48h
> Time Spent: 40m
> Remaining Estimate: 47h 20m
>
> 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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