[PARQUET-192] Avro maps drop null values

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.6.0
• Component/s: parquet-mr
• Assignee: Ryan Blue
• Reporter: Ryan Blue
• Created: 26/Feb/15 00:18
• Updated: 07/Apr/15 20:47
• Resolved: 04/Mar/15 20:27

Description

The Avro serialization code for maps writes all keys and then all values without calling start and end to detect and handle null values. This causes the code to drop null values.