Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1618#discussion_r107914632
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/db/impl/mysql/event/io/DeleteRowsWriter.java
---
@@ -0,0 +1,90 @@
+/*
+ * 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.nifi.processors.standard.db.impl.mysql.event.io;
+
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processors.standard.GetChangeDataCaptureMySQL;
+import org.apache.nifi.processors.standard.db.event.ColumnDefinition;
+import
org.apache.nifi.processors.standard.db.impl.mysql.event.DeleteRowsEventInfo;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.BitSet;
+import java.util.concurrent.atomic.AtomicLong;
+
+import static
org.apache.nifi.processors.standard.db.impl.mysql.MySQLCDCUtils.getWritableObject;
+
+/**
+ * A writer class to output MySQL binlog "delete rows" events to flow
file(s).
+ */
+public class DeleteRowsWriter extends
AbstractBinlogTableEventWriter<DeleteRowsEventInfo> {
+
+ /**
+ * Creates and transfers a new flow file whose contents are the
JSON-serialized value of the specified event, and the sequence ID attribute set
+ *
+ * @param session A reference to a ProcessSession from which the
flow file(s) will be created and transferred
+ * @param eventInfo An event whose value will become the contents of
the flow file
+ * @return The next available CDC sequence ID for use by the CDC
processor
+ */
+ public long writeEvent(final ProcessSession session, final
DeleteRowsEventInfo eventInfo, final long currentSequenceId) {
+ final AtomicLong seqId = new AtomicLong(currentSequenceId);
--- End diff --
The correct answer is that I'm usually missing something...
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