Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/21193#discussion_r188904786
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/javaCode.scala
---
@@ -114,6 +114,113 @@ object JavaCode {
}
}
+/**
+ * A trait representing a block of java code.
+ */
+trait Block extends JavaCode {
+
+ // The expressions to be evaluated inside this block.
+ def exprValues: Seq[ExprValue]
--- End diff --
One issue I just found is, I can use the `ExprValues` order to do test
easily.
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