Module partition 

Arrow-based partitioning implementation for Iceberg tables

This module provides functionality to partition Arrow record batches according to Iceberg partition specifications. It includes:

• Streaming partition implementation that processes record batches asynchronously
• Support for different partition transforms (identity, bucket, truncate)
• Efficient handling of distinct partition values
• Automatic management of partition streams and channels

Functions

partition_record_batch

Partitions a record batch according to the given partition fields.