{"id":5410,"date":"2023-03-15T09:15:00","date_gmt":"2023-03-15T01:15:00","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=5410"},"modified":"2023-03-11T23:21:42","modified_gmt":"2023-03-11T15:21:42","slug":"hive-sql%e4%b8%ad%e7%9a%84json%e6%95%b0%e7%bb%84%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/5410.html","title":{"rendered":"Hive SQL\u4e2d\u7684json\u6570\u7ec4\u89e3\u6790"},"content":{"rendered":"\n<p>=Start=<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u7f18\u7531\uff1a<\/h4>\n\n\n\n<p>\u7b80\u5355\u8bb0\u5f55\u4e00\u4e0b\u6700\u8fd1\u5728\u5de5\u4f5c\u4e2d\u7528\u5230\u7684Hive SQL\u7684\u77e5\u8bc6\u70b9\uff0c\u65b9\u4fbf\u4ee5\u540e\u53c2\u8003\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b63\u6587\uff1a<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n\n\n\n<p>\u6bd4\u5982\u8981\u89e3\u6790\u7684\u5b57\u6bb5\u662f copy_info \u800c\u5b83\u7684\u5185\u5bb9\u6837\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;\"security\",{\"event\":\"copy\",\"copy_length\":0,\"copy_attribute\":\"1\"}]<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5373\u5b83\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u6570\u7ec4\u7684\u7b2c2\u4e2a\u5143\u7d20\u662f\u4e00\u4e2ajson\u5b57\u7b26\u4e32\uff0c\u6211\u60f3\u8981\u63d0\u53d6\u7b2c2\u4e2a\u5143\u7d20\u4e2d\u7684 copy_attribute \u5b57\u6bb5\uff0c\u8fd9\u4e2a\u65f6\u5019\u7684\u89e3\u51b3\u529e\u6cd5\u6709\u51e0\u79cd\uff0c\u6700\u7ec8\u90fd\u53ef\u4ee5\u5b9e\u73b0\u76ee\u6807\uff0c\u5177\u4f53\u9009\u62e9\u54ea\u4e2a\u770b\u4e2a\u4eba\u504f\u597d\u5c31\u884c\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u65b9\u6cd5\u4e00\uff08\u7528\u6b63\u5219\u505a\u63d0\u53d6\uff09\uff1a<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>,regexp_extract(copy_info, 'copy_attribute\":\"(.+?)\"', 1) as copy_attribute<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u65b9\u6cd5\u4e8c\uff08\u5148\u628aarray\u5f53\u4f5cjson\u89e3\u6790\u63d0\u53d6\u6307\u5b9a\/\u4efb\u610f\u7d22\u5f15\u7136\u540e\u8fdb\u884cjson\u89e3\u6790\uff09\uff1a<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>,get_json_object(copy_info,'$.&#91;1].copy_attribute') as copy_attribute<\/code><\/pre>\n\n\n\n<p>\u65b9\u6cd5\u4e09\uff08\u5148\u5bf9array\u8fdb\u884cexplode\u7136\u540e\u518d\u8fdb\u884c\u5e38\u89c4\u7684json\u89e3\u6790\uff09\uff1a<br>\u5b9e\u9645\u4e0a\u662f\u884c\u4e0d\u901a\u7684\uff0c\u9664\u975e\u7ecf\u8fc7\u7279\u522b\u590d\u6742\u7684\u8f6c\u6362\uff0c\u539f\u56e0\u5728\u4e8e explode() \u63a5\u6536 array\/map \u7c7b\u578b\u7684\u6570\u636e\u4f5c\u4e3a\u53c2\u6570\uff0c\u800c\u4e0a\u9762\u7684\u5b57\u6bb5\u7c7b\u578b\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u53ea\u4e0d\u8fc7\u662f\u7b26\u5408json array\u683c\u5f0f\u8981\u6c42\u7684\u5b57\u7b26\u4e32\u800c\u5df2\u3002<\/p>\n\n\n\n<p>\u7279\u6b8a\u60c5\u51b5\u4e0b\u5982\u679c\u5acc\u591a\u5c42 get_json_object \u9ebb\u70e6\uff0c\u53ef\u4ee5\u5148\u7528 json_tuple \u53d6\u4e00\u6b21\uff0c\u7136\u540e\u518d\u52a0\u4e00\u6b21 get_json_object \u4e5f\u884c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1\u3001\u5b57\u7b26\u4e32\u8f6c\u4e3amap\nstr_to_map(text&#91;, delimiter1, delimiter2])\n\u4f7f\u7528\u4e24\u4e2a\u5206\u9694\u7b26\u5c06\u6587\u672c\u62c6\u5206\u4e3a\u952e\u503c\u5bf9\u3002 Delimiter1\u5c06\u6587\u672c\u5206\u6210K-V\u5bf9\uff0cDelimiter2\u5206\u5272\u6bcf\u4e2aK-V\u5bf9\u3002\u5bf9\u4e8edelimiter1\u9ed8\u8ba4\u5206\u9694\u7b26\u662f','\uff0c\u5bf9\u4e8edelimiter2\u9ed8\u8ba4\u5206\u9694\u7b26\u662f'='\u3002\n\n2\u3001\u5b57\u7b26\u4e32\u8f6c\u4e3aarray\n\u5206\u5272\u5b57\u7b26\u4e32\u51fd\u6570: split\n\u8bed\u6cd5:  split(string str, string pat)\n\u8fd4\u56de\u503c:  array\n\u8bf4\u660e: \u6309\u7167pat\u5b57\u7b26\u4e32\u5206\u5272str\uff0c\u4f1a\u8fd4\u56de\u5206\u5272\u540e\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\n\n3\u3001\u5b57\u7b26\u5b57\u6bb5\u53bb\u91cd\u6c47\u603b\u8f6c\u6210array\ncollect_set\u51fd\u6570\uff1a\u8be5\u51fd\u6570\u7684\u4f5c\u7528\u662f\u5c06\u67d0\u5b57\u6bb5\u7684\u503c\u8fdb\u884c\u53bb\u91cd\u6c47\u603b\uff0c\u4ea7\u751farray\u7c7b\u578b\u5b57\u6bb5\u3002<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n\n\n\n<p>Hive\u5b57\u7b26\u4e32\u8f6c\u4e3a\u590d\u6742\u683c\u5f0f\u6570\u636e<br><a href=\"https:\/\/blog.csdn.net\/BabyFish13\/article\/details\/78951928\">https:\/\/blog.csdn.net\/BabyFish13\/article\/details\/78951928<\/a><\/p>\n\n\n\n<p>Hive\u4e2d\u5982\u4f55\u52a0\u8f7d\u548c\u89e3\u6790(\u5d4c\u5957)json\u6570\u636e<br><a href=\"https:\/\/ixyzero.com\/blog\/archives\/4208.html\">https:\/\/ixyzero.com\/blog\/archives\/4208.html<\/a><\/p>\n\n\n\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u7b80\u5355\u8bb0\u5f55\u4e00\u4e0b\u6700\u8fd1\u5728\u5de5\u4f5c\u4e2d\u7528\u5230\u7684Hive SQL\u7684\u77e5\u8bc6\u70b9\uff0c\u65b9\u4fbf\u4ee5\u540e\u53c2\u8003\u3002 \u6b63\u6587\uff1a \u53c2\u8003\u89e3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,7],"tags":[1263,1261,181,1264,1262],"class_list":["post-5410","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-programing","tag-get_json_object","tag-hive","tag-json","tag-json_tuple","tag-sql"],"views":2097,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=5410"}],"version-history":[{"count":1,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5410\/revisions"}],"predecessor-version":[{"id":5411,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/5410\/revisions\/5411"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=5410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=5410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=5410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}