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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4726) Dynamic UDFs support
Date Sun, 11 Sep 2016 11:12:20 GMT

    [ https://issues.apache.org/jira/browse/DRILL-4726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15481569#comment-15481569
] 

ASF GitHub Bot commented on DRILL-4726:
---------------------------------------

Github user arina-ielchiieva commented on a diff in the pull request:

    https://github.com/apache/drill/pull/574#discussion_r78292766
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/RemoteFunctionRegistry.java
---
    @@ -0,0 +1,185 @@
    +/**
    + * 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
    + * <p/>
    + * http://www.apache.org/licenses/LICENSE-2.0
    + * <p/>
    + * 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.drill.exec.expr.fn;
    +
    +import com.fasterxml.jackson.databind.ObjectMapper;
    +import org.apache.commons.io.FilenameUtils;
    +import org.apache.drill.common.config.DrillConfig;
    +import org.apache.drill.common.exceptions.DrillRuntimeException;
    +import org.apache.drill.exec.ExecConstants;
    +import org.apache.drill.exec.coord.ClusterCoordinator;
    +import org.apache.drill.exec.coord.store.TransientStore;
    +import org.apache.drill.exec.coord.store.TransientStoreConfig;
    +import org.apache.drill.exec.coord.store.TransientStoreListener;
    +import org.apache.drill.exec.exception.StoreException;
    +import org.apache.drill.exec.exception.VersionMismatchException;
    +import org.apache.drill.exec.proto.SchemaUserBitShared;
    +import org.apache.drill.exec.proto.UserBitShared.Registry;
    +import org.apache.drill.exec.store.sys.PersistentStore;
    +import org.apache.drill.exec.store.sys.PersistentStoreConfig;
    +import org.apache.drill.exec.store.sys.PersistentStoreProvider;
    +import org.apache.drill.exec.store.sys.store.DataChangeVersion;
    +import org.apache.hadoop.conf.Configuration;
    +import org.apache.hadoop.fs.FileSystem;
    +import org.apache.hadoop.fs.Path;
    +
    +import java.io.IOException;
    +
    +import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT;
    +
    +/** Is responsible for remote function registry management.
    + *  Creates all remote registry areas at startup, during init establishes connections
with stores.
    + *  Provides tools to update remote registry and unregister functions, access remote
registry areas.
    + */
    --- End diff --
    
    Agree. I'll add structure description.


> Dynamic UDFs support
> --------------------
>
>                 Key: DRILL-4726
>                 URL: https://issues.apache.org/jira/browse/DRILL-4726
>             Project: Apache Drill
>          Issue Type: New Feature
>    Affects Versions: 1.6.0
>            Reporter: Arina Ielchiieva
>            Assignee: Arina Ielchiieva
>             Fix For: Future
>
>
> Allow register UDFs without  restart of Drillbits.
> Design is described in document below:
> https://docs.google.com/document/d/1FfyJtWae5TLuyheHCfldYUpCdeIezR2RlNsrOTYyAB4/edit?usp=sharing




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