Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3520#discussion_r106447875
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/utils/TestFilterableTableSource.scala
---
@@ -18,20 +18,20 @@
package org.apache.flink.table.utils
-import org.apache.calcite.rel.RelWriter
import org.apache.flink.api.common.typeinfo.TypeInformation
import org.apache.flink.api.java.typeutils.RowTypeInfo
import org.apache.flink.api.java.{DataSet, ExecutionEnvironment}
import org.apache.flink.streaming.api.datastream.DataStream
import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment
import org.apache.flink.table.api.Types._
import org.apache.flink.table.expressions._
-import org.apache.flink.table.sources.{BatchTableSource,
FilterableTableSource, StreamTableSource}
+import org.apache.flink.table.sources.{BatchTableSource,
FilterableTableSource, StreamTableSource, TableSource}
import org.apache.flink.types.Row
import org.apache.flink.util.Preconditions
import scala.collection.JavaConverters._
import scala.collection.mutable
+import scala.tools.nsc.interpreter.JList
--- End diff --
change to `import java.util.{List => JList}`?
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