Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/19803#discussion_r152881704 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/BoundAttribute.scala --- @@ -60,20 +60,23 @@ case class BoundReference(ordinal: Int, dataType: DataType, nullable: Boolean) override def doGenCode(ctx: CodegenContext, ev: ExprCode): ExprCode = { val javaType = ctx.javaType(dataType) - val value = ctx.getValue(ctx.INPUT_ROW, dataType, ordinal.toString) if (ctx.currentVars != null && ctx.currentVars(ordinal) != null) { val oev = ctx.currentVars(ordinal) ev.isNull = oev.isNull ev.value = oev.value - val code = oev.code - oev.code = "" - ev.copy(code = code) --- End diff -- Great, thanks.
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