{"id":47669,"date":"2023-12-11T15:12:37","date_gmt":"2023-12-11T07:12:37","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=47669"},"modified":"2023-12-11T15:12:37","modified_gmt":"2023-12-11T07:12:37","slug":"%e7%ae%80%e8%bf%b0hive%e4%b8%ad%e7%9a%84%e8%99%9a%e6%8b%9f%e5%88%97%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%8c%e4%bd%bf%e7%94%a8%e5%ae%83%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9-4","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e7%ae%80%e8%bf%b0hive%e4%b8%ad%e7%9a%84%e8%99%9a%e6%8b%9f%e5%88%97%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%8c%e4%bd%bf%e7%94%a8%e5%ae%83%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9-4\/","title":{"rendered":"\u7b80\u8ff0Hive\u4e2d\u7684\u865a\u62df\u5217\u4f5c\u7528\u662f\u4ec0\u4e48\uff0c\u4f7f\u7528\u5b83\u7684\u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"

“`” \u89e3\u7b54\uff1a<\/p>\n

Hive\u63d0\u4f9b\u4e86\u4e09\u4e2a\u865a\u62df\u5217\uff1a<\/p>\n

INPUT<strong>FILE<\/strong>NAME<\/p>\n

BLOCK<strong>OFFSET<\/strong>INSIDE__FILE<\/p>\n

ROW<strong>OFFSET<\/strong>INSIDE__BLOCK<\/p>\n

\u4f46ROW<strong>OFFSET<\/strong>INSIDE__BLOCK\u9ed8\u8ba4\u662f\u4e0d\u53ef\u7528\u7684\uff0c\u9700\u8981\u8bbe\u7f6ehive.exec.rowoffset\u4e3atrue\u624d\u53ef\u4ee5\u3002\u53ef\u4ee5\u7528\u6765\u6392\u67e5\u6709\u95ee\u9898\u7684\u8f93\u5165\u6570\u636e\u3002<\/p>\n

INPUT<strong>FILE<\/strong>NAME, mapper\u4efb\u52a1\u7684\u8f93\u51fa\u6587\u4ef6\u540d\u3002<\/p>\n

BLOCK<strong>OFFSET<\/strong>INSIDE__FILE, \u5f53\u524d\u5168\u5c40\u6587\u4ef6\u7684\u504f\u79fb\u91cf\u3002\u5bf9\u4e8e\u5757\u538b\u7f29\u6587\u4ef6\uff0c\u5c31\u662f\u5f53\u524d\u5757\u7684\u6587\u4ef6\u504f\u79fb\u91cf\uff0c\u5373\u5f53\u524d\u5757\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u5728\u6587\u4ef6\u4e2d\u7684\u504f\u79fb\u91cf\u3002<\/p>\n

hive> SELECT INPUT<strong>FILE<\/strong>NAME, BLOCK<strong>OFFSET<\/strong>INSIDE__FILE, line<\/p>\n

<\/p><\/p>\n

<blockquote>FROM hive_text WHERE line LIKE '%hive%' LIMIT 2;
\n<\/blockquote><\/p>\n

<p> <\/p>\n

har:\/\/file\/user\/hive\/warehouse\/hive_text\/folder=docs\/<\/p>\n

data.har\/user\/hive\/warehouse\/hive_text\/folder=docs\/README.txt 2243<\/p>\n

har:\/\/file\/user\/hive\/warehouse\/hive_text\/folder=docs\/<\/p>\n

data.har\/user\/hive\/warehouse\/hive_text\/folder=docs\/README.txt 3646<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u89e3\u7b54\uff1a Hive\u63d0\u4f9b\u4e86\u4e09\u4e2a\u865a\u62df\u5217\uff1a INPUT<strong>FI […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-47669","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=47669"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47669\/revisions"}],"predecessor-version":[{"id":47670,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47669\/revisions\/47670"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=47669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=47669"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=47669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}