godfreyhe commented on a change in pull request #9363:
[FLINK-13587][table-planner-blink] Fix some operator names are not set in blink
planner
URL: https://github.com/apache/flink/pull/9363#discussion_r312014130
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/nodes/FlinkRelNode.scala
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@@ -32,6 +34,21 @@ import scala.collection.JavaConversions._
*/
trait FlinkRelNode extends RelNode {
+ /**
+ * Returns a string which describes the relational expression with
attributes which
+ * contribute to the plan output.
+ *
+ * This method leverages [[RelNode#explain]] with
+ * [[org.apache.calcite.sql.SqlExplainLevel.EXPPLAN_ATTRIBUTES]] explain
level.
+ */
+ def getRelDescription: String = {
Review comment:
oops... i find `AbstractRelNode` also has a method named `getDescription`.
It's better to use another name...
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