Ji Liu created ARROW-7021:
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Summary: [Java] UnionFixedSizeListWriter decimal type should check
writer index
Key: ARROW-7021
URL: https://issues.apache.org/jira/browse/ARROW-7021
Project: Apache Arrow
Issue Type: Bug
Components: Java
Reporter: Ji Liu
Assignee: Ji Liu
{{UnionFixedSizeListWriter}} should check writer index for decimal type (just
as other types) to ensure the values written not exceed listSize.
Otherwise, the writer may continue to write data into it’s underlying vector
quietly even the the writer.idx() > listSize * index.
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