Bulk Operation

SPARK-34287 Backout agg build time metrics from sort aggregate

SPARK-34287 Support sort aggregate code-gen without grouping keys

SPARK-34287 Replace object hash with sort aggregate if child is already sorted

SPARK-34287 Replace hash with sort aggregate if child is already sorted

SPARK-34287 Memory-size-based object hash aggregation fallback mechanism

SPARK-34287 Object hash aggregate should not fallback if no more input rows

SPARK-34287 Add more metrics (fallback, spill) for object hash aggregate

SPARK-34287 Add code-gen for ObjectHashAggregateExec

SPARK-34287 Add code-gen for SortAggregateExec