ASF GitHub Bot commented on NIFI-3538:

Github user ijokarumawak commented on a diff in the pull request:

    --- Diff: 
    @@ -0,0 +1,213 @@
    + * 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
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    + */
    +package org.apache.nifi.hbase;
    +import org.apache.nifi.annotation.behavior.WritesAttribute;
    +import org.apache.nifi.annotation.behavior.WritesAttributes;
    +import org.apache.nifi.annotation.documentation.CapabilityDescription;
    +import org.apache.nifi.annotation.documentation.Tags;
    +import org.apache.nifi.components.AllowableValue;
    +import org.apache.nifi.components.PropertyDescriptor;
    +import org.apache.nifi.components.Validator;
    +import org.apache.nifi.flowfile.FlowFile;
    +import org.apache.nifi.processor.ProcessContext;
    +import org.apache.nifi.processor.ProcessSession;
    +import org.apache.nifi.processor.util.StandardValidators;
    +import java.io.ByteArrayOutputStream;
    +import java.util.ArrayList;
    +import java.util.List;
    +    value = {
    +        @WritesAttribute( attribute = "restart.index", description = "If a 
delete batch fails, 'restart.index' attribute is added to the FlowFile and sent 
to 'failure' " +
    +                "relationship, so that this processor can retry from there 
when the same FlowFile is routed again." ),
    +        @WritesAttribute( attribute = "rowkey.start", description = "The 
first rowkey in the flowfile. Only written when a flowfile contains multiple 
    --- End diff --
    It says "Only written when a flowfile contains multiple deletes." but the 
attribute is written when a FlowFile only contains single row id. It would be 
more accurate if we say "Only written when deleting Row IDs from flowfile 

> Add DeleteHBase processor(s)
> ----------------------------
>                 Key: NIFI-3538
>                 URL: https://issues.apache.org/jira/browse/NIFI-3538
>             Project: Apache NiFi
>          Issue Type: New Feature
>          Components: Extensions
>            Reporter: Matt Burgess
>            Assignee: Mike Thomsen
>            Priority: Major
> NiFi currently has processors for storing and retrieving cells/rows in HBase, 
> but there is no mechanism for deleting records and/or tables.
> I'm not sure if a single DeleteHBase processor could accomplish both, that 
> can be discussed under this Jira (and can be split out if necessary).

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