Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/21537#discussion_r195284656 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala --- @@ -579,6 +579,22 @@ class CodegenContext { s"${fullName}_$id" } + /** + * Creates an `ExprValue` representing a local java variable of required data type. + */ + def freshName(name: String, dt: DataType): VariableValue = JavaCode.variable(freshName(name), dt) + + /** + * Creates an `ExprValue` representing a local java variable of required data type. + */ + def freshName(name: String, javaClass: Class[_]): VariableValue = + JavaCode.variable(freshName(name), javaClass) + + /** + * Creates an `ExprValue` representing a local boolean java variable. + */ + def isNullFreshName(name: String): VariableValue = JavaCode.isNullVariable(freshName(name)) --- End diff -- Rename `JavaCode.isNullVariable`?
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