[DRILL-242] Hash partitioner dosn't handle negative hash values and may produce empty schemas

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Assignee: Ben Becker
• Reporter: Ben Becker
• Created: 14/Sep/13 00:50
• Updated: 31/Jul/14 06:33
• Resolved: 18/Nov/13 23:01

Description

The hash function may return a negative value, which was not handled by the partitioner's use of modulus (which carries sign in Java).

Also, the OutgoingRecordBatch clears the schema if the last batch is empty.