Github user yjshen commented on a diff in the pull request:
https://github.com/apache/flink/pull/1916#discussion_r61382801
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/TableEnvironment.scala
---
@@ -355,4 +380,26 @@ object TableEnvironment {
new ScalaStreamTableEnv(executionEnvironment, tableConfig)
}
+ /**
+ * The primary workflow for executing plan validation for that
generated from Table API.
+ * The validation is intentionally designed as a lazy procedure and
triggered when we
+ * are going to run on Flink core.
+ */
+ class PlanPreparation(val env: TableEnvironment, val logical:
LogicalNode) {
+
+ lazy val resolvedPlan: LogicalNode = env.getValidator.resolve(logical)
+
+ def validate(): Unit = env.getValidator.validate(resolvedPlan)
+
+ lazy val relNode: RelNode = {
+ env match {
+ case _: BatchTableEnvironment =>
--- End diff --
Yes, it shouldn't be distinguished. The difference should exist inside
validator's rule set.
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