Github user HeartSaVioR commented on a diff in the pull request:
https://github.com/apache/spark/pull/21733#discussion_r206790470
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/streaming/state/MemoryStateStore.scala
---
@@ -0,0 +1,53 @@
+/*
+ * 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.spark.sql.execution.streaming.state
+
+import java.util.concurrent.ConcurrentHashMap
+
+import org.apache.spark.sql.catalyst.expressions.UnsafeRow
+
+class MemoryStateStore extends StateStore() {
+ import scala.collection.JavaConverters._
+ private val map = new ConcurrentHashMap[UnsafeRow, UnsafeRow]
+
+ override def iterator(): Iterator[UnsafeRowPair] = {
+ map.entrySet.iterator.asScala.map { case e => new
UnsafeRowPair(e.getKey, e.getValue) }
+ }
+
+ override def get(key: UnsafeRow): UnsafeRow = map.get(key)
+
+ override def put(key: UnsafeRow, newValue: UnsafeRow): Unit = {
+ map.put(key.copy(), newValue.copy())
+ }
+
+ override def remove(key: UnsafeRow): Unit = {
+ map.remove(key)
--- End diff --
Yeah missed that. Will fix.
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