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Motivation

Add Map type support for log table scenarios to handle key-value structured data.

Solution

• Extend Arrow row format to support Map type serialization/deserialization
• Implement Map type encoding/decoding in client SDK
• Add validation for Map type in schema definitions
• Ensure end-to-end data flow works for Map type in log tables

Anything else?

No response

Willingness to contribute

• I'm willing to submit a PR!