beliefer commented on a change in pull request #35494:
URL: https://github.com/apache/spark/pull/35494#discussion_r813524686
##########
File path:
sql/catalyst/src/main/java/org/apache/spark/sql/connector/expressions/GeneralScalarExpression.java
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@@ -20,22 +20,42 @@
import java.io.Serializable;
import org.apache.spark.annotation.Evolving;
+import org.apache.spark.sql.connector.util.V2ExpressionSQLBuilder;
/**
- * The general SQL string corresponding to expression.
+ * The general representation of SQL scalar expressions, which contains the
upper-cased
+ * expression name and all the children expressions.
*
Review comment:
It seems JDK11 and JKD17 maven build exceeds 5 hours. I just check the
issue.
I will restore the classdoc later.
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