danny0405 commented on a change in pull request #10989:
[FLINK-15840][table-planner-blink] ClassCastException is thrown when use
tEnv.from for temp/catalog table
URL: https://github.com/apache/flink/pull/10989#discussion_r373906268
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/optimize/BatchCommonSubGraphBasedOptimizer.scala
##########
@@ -80,12 +81,17 @@ class BatchCommonSubGraphBasedOptimizer(planner:
BatchPlanner)
.getOrElse(FlinkBatchProgram.buildProgram(config.getConfiguration))
Preconditions.checkNotNull(programs)
+ val context =
relNode.getCluster.getPlanner.getContext.unwrap(classOf[FlinkContext])
+
Review comment:
Maybe we can inline this code with line 92 ~ 94
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