== Physical Plan ==
* HashAggregate (5)
+- Exchange (4)
+- * HashAggregate (3)
+- * ColumnarToRow (2)
+- Scan parquet (1)
(1) Scan parquet
Output: []
Batched: true
Location: InMemoryFileIndex [file:/data/Smartbi_CentOS_x86_CN_V10.5.8/SmartbiEngine/data/event/Iff808081018a6bdd6bdd9c18018ab1936679017e/56c9662ac0a6582876ad56e090da8939/dataset]
ReadSchema: struct<>
(2) ColumnarToRow [codegen id : 1]
Input: []
(3) HashAggregate [codegen id : 1]
Input: []
Keys: []
Functions [1]: [partial_count(1)]
Aggregate Attributes [1]: [count#1646L]
Results [1]: [count#1647L]
(4) Exchange
Input [1]: [count#1647L]
Arguments: SinglePartition, ENSURE_REQUIREMENTS, [id=#522]
(5) HashAggregate [codegen id : 2]
Input [1]: [count#1647L]
Keys: []
Functions [1]: [count(1)]
Aggregate Attributes [1]: [count(1)#1643L]
Results [1]: [count(1)#1643L AS count#1644L]