Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/6201#discussion_r198215478
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/utils/MemoryTableSourceSinkUtil.scala
---
@@ -0,0 +1,151 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.table.utils
+
+import java.sql.Timestamp
+import java.util
+import java.util.Collections
+
+import org.apache.flink.api.common.io.RichOutputFormat
+import org.apache.flink.api.common.typeinfo.TypeInformation
+import org.apache.flink.api.java.{DataSet, ExecutionEnvironment}
+import org.apache.flink.api.java.typeutils.RowTypeInfo
+import org.apache.flink.configuration.Configuration
+import org.apache.flink.streaming.api.datastream.DataStream
+import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment
+import org.apache.flink.streaming.api.functions.sink.RichSinkFunction
+import org.apache.flink.streaming.api.functions.source.SourceFunction
+import
org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext
+import org.apache.flink.table.api.TableSchema
+import org.apache.flink.table.sinks.{AppendStreamTableSink,
BatchTableSink, TableSinkBase}
+import org.apache.flink.table.sources.tsextractors.StreamRecordTimestamp
+import org.apache.flink.table.sources.wmstrategies.AscendingTimestamps
+import org.apache.flink.table.sources._
+import org.apache.flink.table.util.TableConnectorUtil
+import org.apache.flink.types.Row
+
+import scala.collection.mutable
+import scala.collection.JavaConverters._
+
+object MemoryTableSourceSinkUtil {
+ var tableData: mutable.ListBuffer[Row] = mutable.ListBuffer[Row]()
+
+ def clear = {
+ MemoryTableSourceSinkUtil.tableData.clear()
+ }
+
+ class UnsafeMemoryTableSource(tableSchema: TableSchema,
+ returnType: TypeInformation[Row],
--- End diff --
We usually intend differently. Take
`org.apache.flink.table.codegen.CodeGenerator` as an example.
---
