数据仓库平台 Apache Hive 0.8.1 发布

     <div id="p_fullcontent" class="detail">     <p><a href="/misc/goto?guid=4958319269263184446" target="_blank">Hive</a>是一个基于Hadoop的数据仓库平台。通过hive，我们可以方便地进行ETL的工作。hive定义了一个类似于SQL的查询语言：HQL，能 够将用户编写的QL转化为相应的Mapreduce程序基于Hadoop执行。</p>     <p>Hive是非死book 2008年8月刚开源的一个数据仓库框架，其系统目标与 Pig 有相似之处，但它有一些Pig目前还不支持的机制，比如：更丰富的类型系统、更类似SQL的查询语言、Table/Partition元数据的持久化等。<br /> </p>     <p><span style="text-align:left;line-height:20px;font-family:Verdana, sans-serif, 宋体;color:#333333;">Hive 0.8.1发布，该版本修复了一些bug，详细请见：</span><a href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310843&version=12319268">https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310843&version=12319268</a></p>     <h2 style="padding-bottom:0px;margin:0px 0.5em 0.5em 0px;padding-left:0px;padding-right:0px;font-family:arial, FreeSans, Helvetica, sans-serif;font-size:1.6em;padding-top:0px;">Bug</h2>     <ul style="padding-bottom:0px;line-height:20px;margin:0px 0px 1em 2em;padding-left:0px;padding-right:0px;font-family:arial, FreeSans, Helvetica, sans-serif;font-size:14px;padding-top:0px;">      <li style="padding-bottom:0px;margin:0px;padding-left:0px;padding-right:0px;padding-top:0px;">[<a style="color:#3c78b5;cursor:pointer;text-decoration:none;" href="/misc/goto?guid=4958328246870947424">HIVE-2616</a>] - Passing user identity from metastore client to server in non-secure mode</li>      <li style="padding-bottom:0px;margin:0px;padding-left:0px;padding-right:0px;padding-top:0px;">[<a style="color:#3c78b5;cursor:pointer;text-decoration:none;" href="/misc/goto?guid=4958328247681220582">HIVE-2629</a>] - Make a single Hive binary work with both 0.20.x and 0.23.0</li>      <li style="padding-bottom:0px;margin:0px;padding-left:0px;padding-right:0px;padding-top:0px;">[<a style="color:#3c78b5;cursor:pointer;text-decoration:none;" href="/misc/goto?guid=4958328248477921375">HIVE-2631</a>] - Make Hive work with Hadoop 1.0.0</li>     </ul>     <h2 style="padding-bottom:0px;margin:0px 0.5em 0.5em 0px;padding-left:0px;padding-right:0px;font-family:arial, FreeSans, Helvetica, sans-serif;font-size:1.6em;padding-top:0px;">Improvement</h2>     <ul style="padding-bottom:0px;line-height:20px;margin:0px 0px 1em 2em;padding-left:0px;padding-right:0px;font-family:arial, FreeSans, Helvetica, sans-serif;font-size:14px;padding-top:0px;">      <li style="padding-bottom:0px;margin:0px;padding-left:0px;padding-right:0px;padding-top:0px;">[<a style="color:#3c78b5;cursor:pointer;text-decoration:none;" href="/misc/goto?guid=4958328249292969344">HIVE-2589</a>] - Newly created partition should inherit properties from table</li>     </ul>    </div>