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

    https://github.com/apache/nifi/pull/384#discussion_r61343688
  
    --- Diff: 
nifi-nar-bundles/nifi-hive-bundle/nifi-hive-processors/src/main/java/org/apache/nifi/processors/hive/ExecuteHiveQL.java
 ---
    @@ -0,0 +1,178 @@
    +/*
    + * 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.hive;
    +
    +import org.apache.nifi.annotation.behavior.EventDriven;
    +import org.apache.nifi.annotation.behavior.InputRequirement;
    +import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
    +import org.apache.nifi.annotation.documentation.CapabilityDescription;
    +import org.apache.nifi.annotation.documentation.Tags;
    +import org.apache.nifi.components.PropertyDescriptor;
    +import org.apache.nifi.dbcp.hive.HiveDBCPService;
    +import org.apache.nifi.flowfile.FlowFile;
    +import org.apache.nifi.logging.ProcessorLog;
    +import org.apache.nifi.processor.ProcessContext;
    +import org.apache.nifi.processor.ProcessSession;
    +import org.apache.nifi.processor.Relationship;
    +import org.apache.nifi.processor.exception.ProcessException;
    +import org.apache.nifi.processor.io.OutputStreamCallback;
    +import org.apache.nifi.processor.util.StandardValidators;
    +import org.apache.nifi.util.LongHolder;
    +import org.apache.nifi.util.StopWatch;
    +import org.apache.nifi.util.hive.HiveJdbcCommon;
    +
    +import java.io.IOException;
    +import java.io.OutputStream;
    +import java.sql.Connection;
    +import java.sql.ResultSet;
    +import java.sql.SQLException;
    +import java.sql.Statement;
    +import java.util.ArrayList;
    +import java.util.Collections;
    +import java.util.HashSet;
    +import java.util.List;
    +import java.util.Set;
    +import java.util.concurrent.TimeUnit;
    +
    +@EventDriven
    +@InputRequirement(Requirement.INPUT_ALLOWED)
    +@Tags({"hive", "sql", "select", "jdbc", "query", "database"})
    +@CapabilityDescription("Execute provided HiveQL SELECT query against a 
Hive database connection. Query result will be converted to Avro format."
    +        + " Streaming is used so arbitrarily large result sets are 
supported. This processor can be scheduled to run on "
    +        + "a timer, or cron expression, using the standard scheduling 
methods, or it can be triggered by an incoming FlowFile. "
    +        + "If it is triggered by an incoming FlowFile, then attributes of 
that FlowFile will be available when evaluating the "
    +        + "select query. FlowFile attribute 'executehiveql.row.count' 
indicates how many rows were selected.")
    +public class ExecuteHiveQL extends AbstractHiveQLProcessor {
    +
    +    public static final String RESULT_ROW_COUNT = 
"executehiveql.row.count";
    +
    +    // Relationships
    +    public static final Relationship REL_SUCCESS = new 
Relationship.Builder()
    +            .name("success")
    +            .description("Successfully created FlowFile from HiveQL query 
result set.")
    +            .build();
    +    public static final Relationship REL_FAILURE = new 
Relationship.Builder()
    +            .name("failure")
    +            .description("HiveQL query execution failed. Incoming FlowFile 
will be penalized and routed to this relationship")
    +            .build();
    +
    +
    +    public static final PropertyDescriptor HIVEQL_SELECT_QUERY = new 
PropertyDescriptor.Builder()
    +            .name("hive-query")
    --- End diff --
    
    One thing I noticed was when you drag on a brand new ExecuteHiveQL 
processor, the error message for the query will say "hive-query is invalid", 
I'm wondering if this is actually a bug in the validator where it is using the 
name instead of display name


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