gianm commented on a change in pull request #9429: fix issue when distinct
grouping dimensions are optimized into the same virtual column expression
URL: https://github.com/apache/druid/pull/9429#discussion_r389201201
##########
File path:
sql/src/main/java/org/apache/druid/sql/calcite/aggregation/DimensionExpression.java
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@@ -28,21 +29,55 @@
public class DimensionExpression
{
+ /**
+ * Create a dimension expresison for direct column access or simple
extractions
Review comment:
"expression" (spelling)
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