[ARROW-14696] [Java] Reset vectors before populating JDBC data when reusing vector schema root

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/30236
• Assignee: Liya Fan
• Reporter: Liya Fan
• Created: 12/Nov/21 15:32
• Updated: 11/Jan/23 08:41
• Resolved: 24/Nov/21 14:21

Description

When the option of reusing vector schema root, the vectors should be reset before populating data from JDBC.
This may cause problems when there are null values in the previous batch.

For details, please see https://github.com/apache/arrow/issues/11589.

Issue Links

• links to: GitHub Pull Request #11693