sunjincheng121 commented on a change in pull request #8087: 
[FLINK-12029][table] Add column operations for TableApi
URL: https://github.com/apache/flink/pull/8087#discussion_r271204798
 
 

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 File path: 
flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/api/tableImpl.scala
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 @@ -30,8 +30,8 @@ import org.apache.flink.table.plan.OperationTreeBuilder
 import org.apache.flink.table.plan.logical._
 import org.apache.flink.table.util.JavaScalaConversionUtil.toJava
 
-import _root_.scala.collection.JavaConversions._
 import _root_.scala.collection.JavaConverters._
+import _root_.scala.collection.JavaConversions._
 
 Review comment:
   useless change?

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