[ARROW-7021] [Java] UnionFixedSizeListWriter decimal type should check writer index

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.16.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/16945
• Assignee: Ji Liu
• Reporter: Ji Liu
• Created: 29/Oct/19 12:46
• Updated: 11/Jan/23 07:51
• Resolved: 21/Nov/19 05:46

Description

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.

Issue Links

• links to: GitHub Pull Request #5802