{"id":118,"date":"2019-05-30T07:24:53","date_gmt":"2019-05-30T07:24:53","guid":{"rendered":"http:\/\/www.lichzhang.net\/?p=118"},"modified":"2019-05-30T07:28:06","modified_gmt":"2019-05-30T07:28:06","slug":"hive%e5%ae%9a%e4%bd%8d%e6%95%b0%e6%8d%ae%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%84%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.lichzhang.net\/index.php\/2019\/05\/30\/hive%e5%ae%9a%e4%bd%8d%e6%95%b0%e6%8d%ae%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%84%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"Hive\u5b9a\u4f4d\u6570\u636e\u6587\u4ef6\u8def\u5f84\u7684\u65b9\u6cd5"},"content":{"rendered":"<!--Dobby-Compress-html--><!--Dobby-Compress-html-no-compression--><p>\u5728hive\u4e2d\u6392\u67e5\u6570\u636e\u9519\u4f4d\u3001\u810f\u6570\u636e\u65f6\uff0c\u9700\u8981\u77e5\u9053\u6570\u636e\u7684\u5177\u4f53\u6587\u4ef6\uff0c\u53ef\u4ee5\u901a\u8fc7\u865a\u62df\u5217\u6765\u5e2e\u52a9\u8bca\u65ad\u5b9a\u4f4d\u3002<br \/>\n* <strong>INPUT__FILE__NAME<\/strong><br \/>\nmap\u4efb\u52a1\u8bfb\u5165\u7684\u6587\u4ef6\u5168\u8def\u5f84<br \/>\n* <strong>BLOCK__OFFSET__INSIDE__FILE<\/strong><br \/>\n\u5982\u679c\u662fRCFile\u6216\u8005\u662fSequenceFile\u5757\u538b\u7f29\u683c\u5f0f\u6587\u4ef6\u5219\u663e\u793aBlock file Offset\uff0c\u4e5f\u5c31\u662f\u5f53\u524d\u5feb\u5728\u6587\u4ef6\u7684\u7b2c\u4e00\u4e2a\u5b57\u504f\u79fb\u91cf\uff0c\u5982\u679c\u662fTextFile\uff0c\u663e\u793a\u5f53\u524d\u884c\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u5728\u6587\u4ef6\u4e2d\u7684\u504f\u79fb\u91cf<br \/>\n* <strong>ROW__OFFSET__INSIDE__BLOCK<\/strong><br \/>\nRCFile\u548cSequenceFile\u663e\u793arow number, textfile\u663e\u793a\u4e3a0<\/p>\n<p>\u8b6c\u5982\u6709\u8868a\uff0c\u6211\u4eec\u9700\u8981\u627e\u5230\u5f02\u5e38\u6570\u636e\u7684\u5177\u4f53\u4f4d\u7f6e\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre class=\"line-numbers prism-highlight\" data-start=\"1\"><code class=\"language-null\">select *,INPUT__FILE__NAME,BLOCK__OFFSET__INSIDE__FILE  from a  where ds=2019052901 and imei1='460017684629873'\n<\/code><\/pre>\n<p>\u5f97\u5230\u5982\u4e0b\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"http:\/\/www.lichzhang.net\/wp-content\/uploads\/2019\/05\/%E4%BC%81%E4%B8%9A%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE_155920078138.png\" alt=\"\" \/><br \/>\n\u62ff\u5230\u6587\u4ef6\u8def\u5f84\u4e0b\u8f7d\u4e0b\u6765\uff0c\u5c31\u53ef\u4ee5\u5b9a\u4f4d\u5230\u5177\u4f53\u7684\u95ee\u9898\u539f\u56e0\u4e86<br \/>\n<img decoding=\"async\" src=\"http:\/\/www.lichzhang.net\/wp-content\/uploads\/2019\/05\/%E4%BC%81%E4%B8%9A%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE_15592003411637.png\" alt=\"\" \/><\/p>\n<!--Dobby-Compress-html-no-compression--><!--Dobby-Compress-html-->","protected":false},"excerpt":{"rendered":"<p>\u5728hive\u4e2d\u6392\u67e5\u6570\u636e\u9519\u4f4d\u3001\u810f\u6570\u636e\u65f6\uff0c\u9700\u8981\u77e5\u9053\u6570\u636e\u7684\u5177\u4f53\u6587\u4ef6\uff0c\u53ef\u4ee5\u901a\u8fc7\u865a\u62df\u5217\u6765\u5e2e\u52a9\u8bca\u65ad\u5b9a\u4f4d\u3002 * INPUT__FILE__NAME map\u4efb\u52a1\u8bfb\u5165\u7684\u6587\u4ef6\u5168\u8def\u5f84 * BLOCK__OFFSET__INSIDE__FILE \u5982\u679c\u662fRCFile\u6216\u8005\u662fSequenceFile\u5757\u538b\u7f29\u683c\u5f0f\u6587\u4ef6\u5219\u663e\u793aBlock file Offset\uff0c\u4e5f\u5c31\u662f\u5f53\u524d\u5feb\u5728\u6587\u4ef6\u7684\u7b2c\u4e00\u4e2a\u5b57\u504f\u79fb\u91cf\uff0c\u5982\u679c\u662fTextFile\uff0c\u663e\u793a\u5f53\u524d\u884c\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u5728\u6587\u4ef6\u4e2d\u7684\u504f\u79fb\u91cf * ROW__OFFSET__INSIDE__BLOCK RCFile\u548cSequenceFile\u663e\u793arow number, textfile\u663e\u793a\u4e3a0 \u8b6c\u5982\u6709\u8868a\uff0c\u6211\u4eec\u9700\u8981\u627e\u5230\u5f02\u5e38\u6570\u636e\u7684\u5177\u4f53\u4f4d\u7f6e\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a select *,INPUT__FILE__NAME,BLOCK__OFFSET__INSIDE__FILE from a where ds=2019052901 and imei1=&#8217;460017684629873&#8242; \u5f97\u5230\u5982\u4e0b\u7ed3\u679c\uff1a \u62ff\u5230\u6587\u4ef6\u8def\u5f84\u4e0b\u8f7d\u4e0b\u6765\uff0c\u5c31\u53ef\u4ee5\u5b9a\u4f4d\u5230\u5177\u4f53\u7684\u95ee\u9898\u539f\u56e0\u4e86<\/p>\n","protected":false},"author":1,"featured_media":124,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[28],"_links":{"self":[{"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/posts\/118"}],"collection":[{"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/comments?post=118"}],"version-history":[{"count":3,"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/posts\/118\/revisions"}],"predecessor-version":[{"id":123,"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/posts\/118\/revisions\/123"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/media\/124"}],"wp:attachment":[{"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/media?parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/categories?post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lichzhang.net\/index.php\/wp-json\/wp\/v2\/tags?post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}