[FLINK-20926] Allow to read metadata for maxwell-json format

• Type: Sub-task
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Component/s: Formats (JSON, Avro, Parquet, ORC, SequenceFile), Table SQL / API
• Assignee: Q Kang
• Reporter: Q Kang
• Created: 11/Jan/21 10:58
• Updated: 14/Jan/21 02:57

Description

Canal-json and debezium-json metadata are already implemented. We still need metadata for maxwell-json to fill in the blanks for CDC formats.