maropu commented on a change in pull request #30212:
URL: https://github.com/apache/spark/pull/30212#discussion_r531391985
##########
File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
##########
@@ -587,13 +587,24 @@ fromClause
;
aggregationClause
- : GROUP BY groupingExpressions+=expression (','
groupingExpressions+=expression)* (
+ : GROUP BY groupingExpressionWithGroupingAnalytics+=groupByClause
+ (',' groupingExpressionWithGroupingAnalytics+=groupByClause)*
+ | GROUP BY groupingExpressions+=expression (','
groupingExpressions+=expression)* (
WITH kind=ROLLUP
| WITH kind=CUBE
| kind=GROUPING SETS '(' groupingSet (',' groupingSet)* ')')?
| GROUP BY kind=GROUPING SETS '(' groupingSet (',' groupingSet)* ')'
;
+groupByClause
+ : groupingAnalytics
+ | expression
+ ;
+
+groupingAnalytics
+ : (ROLLUP | CUBE | GROUPING SETS) '(' groupingSet (',' groupingSet)* ')'
Review comment:
> Kind can't be assigned to a set.
https://github.com/apache/spark/blob/d082ad0abfe0bc26760626ae0ecb415a8d508a1f/sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4#L776
?
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