Eric5553 commented on a change in pull request #27685: [SPARK-30940][SQL]
Remove meaningless attributeId when Explain SQL query
URL: https://github.com/apache/spark/pull/27685#discussion_r386008536
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File path: sql/core/src/test/resources/sql-tests/results/explain.sql.out
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@@ -65,48 +65,48 @@ struct<plan:string>
(1) Scan parquet default.explain_temp1
-Output [2]: [key#x, val#x]
+Output [2]: [key, val]
Batched: true
Location [not included in comparison]/{warehouse_dir}/explain_temp1]
PushedFilters: [IsNotNull(key), GreaterThan(key,0)]
ReadSchema: struct<key:int,val:int>
(2) ColumnarToRow [codegen id : 1]
-Input [2]: [key#x, val#x]
+Input [2]: [key, val]
(3) Filter [codegen id : 1]
-Input [2]: [key#x, val#x]
-Condition : (isnotnull(key#x) AND (key#x > 0))
+Input [2]: [key, val]
+Condition : (isnotnull(key) AND (key > 0))
(4) Project [codegen id : 1]
-Output [2]: [key#x, val#x]
-Input [2]: [key#x, val#x]
+Output [2]: [key, val]
+Input [2]: [key, val]
(5) HashAggregate [codegen id : 1]
-Input [2]: [key#x, val#x]
-Keys [1]: [key#x]
-Functions [1]: [partial_max(val#x)]
-Aggregate Attributes [1]: [max#x]
-Results [2]: [key#x, max#x]
+Input [2]: [key, val]
+Keys [1]: [key]
+Functions [1]: [partial_max(val)]
+Aggregate Attributes [1]: [max]
+Results [2]: [key, max]
(6) Exchange
-Input [2]: [key#x, max#x]
-Arguments: hashpartitioning(key#x, 4), true, [id=#x]
+Input [2]: [key, max]
+Arguments: hashpartitioning(key, 4), true, [id=#x]
(7) HashAggregate [codegen id : 2]
-Input [2]: [key#x, max#x]
-Keys [1]: [key#x]
-Functions [1]: [max(val#x)]
-Aggregate Attributes [1]: [max(val#x)#x]
Review comment:
I see. Thanks for the review :-)
The common modification in `AttributeReference` will also remove the `#` in
`[max(val)#x]`. I'm trying to pin point to the exact creation place of
auto-generated `AttributeReference` name.
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