asfimport opened a new issue, #273:
URL: https://github.com/apache/arrow-java/issues/273
I am reporting what I think might be two related bugs in
`org.apache.arrow.vector.BaseVariableWidthVector`
1. The offset buffer is initialized as empty. I expect that it to have 4
bytes that represent the integer zero.
1. The `getBufferSize` method returns 0 when value count is zero, instead of
4.
Compare to the pyarrow implementation, which I believe correctly
populates the offset buffer:
```java
>>> import pyarrow as pa
>>> array = pa.array([], type=pa.binary())
>>> array <pyarrow.lib.BinaryArray object at 0x7f4f68b858e8>
[]
>>> print([b.hex().decode() for b in array.buffers()])
['', '00000000', '']
```
**Reporter**: [Steve M.
Kim](https://issues.apache.org/jira/browse/ARROW-7342)
<sub>**Note**: *This issue was originally created as
[ARROW-7342](https://issues.apache.org/jira/browse/ARROW-7342). Please see the
[migration documentation](https://github.com/apache/arrow/issues/14542) for
further details.*</sub>
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