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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-12971) Hive Support for Kudu
Date Thu, 25 Jul 2019 17:34:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12971?focusedWorklogId=282795&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-282795
]

ASF GitHub Bot logged work on HIVE-12971:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 25/Jul/19 17:33
            Start Date: 25/Jul/19 17:33
    Worklog Time Spent: 10m 
      Work Description: granthenke commented on pull request #733: HIVE-12971: Add Support
for Kudu Tables
URL: https://github.com/apache/hive/pull/733#discussion_r307416102
 
 

 ##########
 File path: kudu-handler/src/java/org/apache/hadoop/hive/kudu/KuduHiveUtils.java
 ##########
 @@ -0,0 +1,138 @@
+/*
+ * 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.hadoop.hive.kudu;
+
+import java.security.AccessController;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+import javax.security.auth.Subject;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.metastore.utils.StringUtils;
+import org.apache.hadoop.hive.serde2.SerDeException;
+import org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo;
+import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.security.Credentials;
+import org.apache.hadoop.security.token.Token;
+import org.apache.kudu.ColumnTypeAttributes;
+import org.apache.kudu.Type;
+import org.apache.kudu.client.KuduClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.apache.hadoop.hive.kudu.KuduStorageHandler.KUDU_MASTER_ADDRS_KEY;
+
+/**
+ * A collection of static utility methods for the Kudu Hive integration.
+ * This is useful for code sharing.
+ */
+public final class KuduHiveUtils {
+
+  private static final Logger LOG = LoggerFactory.getLogger(KuduHiveUtils.class);
+
+  private static final Text KUDU_TOKEN_KIND = new Text("kudu-authn-data");
+
+  private KuduHiveUtils() {}
+
+  /**
+   * Returns the union of the configuration and table properties with the
+   * table properties taking precedence.
+   */
+  public static Configuration createOverlayedConf(Configuration conf, Properties tblProps)
{
+    Configuration newConf = new Configuration(conf);
+    for (Map.Entry<Object, Object> prop : tblProps.entrySet()) {
+      newConf.set((String) prop.getKey(), (String) prop.getValue());
+    }
+    return newConf;
+  }
+
+  public static String getMasterAddresses(Configuration conf) {
+    // Load the default configuration.
+    String masterAddresses = HiveConf.getVar(conf, HiveConf.ConfVars.HIVE_KUDU_MASTER_ADDRESSES_DEFAULT);
+    if (StringUtils.isEmpty(masterAddresses)) {
+      throw new IllegalStateException("Kudu master addresses not specified in configuration");
 
 Review comment:
   I added a unit test and a negative q test.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 282795)
    Time Spent: 4h  (was: 3h 50m)

> Hive Support for Kudu
> ---------------------
>
>                 Key: HIVE-12971
>                 URL: https://issues.apache.org/jira/browse/HIVE-12971
>             Project: Hive
>          Issue Type: New Feature
>    Affects Versions: 2.0.0
>            Reporter: Lenni Kuff
>            Assignee: Grant Henke
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-12971.0.patch, HIVE-12971.1.patch, HIVE-12971.2.patch, HIVE-12971.3.patch,
HIVE-12971.4.patch
>
>          Time Spent: 4h
>  Remaining Estimate: 0h
>
> JIRA for tracking work related to Hive/Kudu integration.
> It would be useful to allow Kudu data to be accessible via Hive. This would involve creating
a Kudu SerDe/StorageHandler and implementing support for QUERY and DML commands like SELECT,
INSERT, UPDATE, and DELETE. Kudu Input/OutputFormats classes already exist. The work can be
staged to support this functionality incrementally.



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