[BEAM-12585] Consider making NullableCoder as a StandardCoder

• Type: Improvement
• Status: Open
• Priority: P3
• Resolution: Unresolved
• Component/s: beam-model, sdk-java-core, sdk-py-core
• Assignee: Unassigned
• Reporter: Boyuan Zhang
• Created: 07/Jul/21 23:01
• Updated: 04/Jun/22 20:58

Description

Having NullableCoder as a StandardCoder helps cross-language pipeline handle null-key KafkaRecord. See discussion: https://lists.apache.org/thread.html/r1740cb29e46644a08b2d1755900dd6dcd5c62b937da1a01148edfcb9%40%3Cdev.beam.apache.org%3E