Github user rdblue commented on a diff in the pull request: https://github.com/apache/spark/pull/21305#discussion_r207623351 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala --- @@ -352,6 +351,36 @@ case class Join( } } +/** + * Append data to an existing table. + */ +case class AppendData( + table: NamedRelation, + query: LogicalPlan, + isByName: Boolean) extends LogicalPlan { + override def children: Seq[LogicalPlan] = Seq(query) + override def output: Seq[Attribute] = Seq.empty + + override lazy val resolved: Boolean = { + query.output.size == table.output.size && query.output.zip(table.output).forall { + case (inAttr, outAttr) => + inAttr.name == outAttr.name && // names must match + outAttr.dataType.sameType(inAttr.dataType) && // types must match --- End diff -- Good catch.
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