fn merge_primary_key_streams(
sources: Vec<BoxedRecordBatchStream>,
memory_pool: Arc<dyn MemoryPool>,
metrics_set: &ExecutionPlanMetricsSet,
partition: usize,
consumer_name: &'static str,
) -> Result<BoxedRecordBatchStream>fn merge_primary_key_streams(
sources: Vec<BoxedRecordBatchStream>,
memory_pool: Arc<dyn MemoryPool>,
metrics_set: &ExecutionPlanMetricsSet,
partition: usize,
consumer_name: &'static str,
) -> Result<BoxedRecordBatchStream>