{"id":42088,"date":"2023-08-12T09:31:27","date_gmt":"2023-10-12T04:22:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e6%95%b0%e6%8d%ae%e8%bf%81%e7%a7%bb%e3%80%91%e5%b0%86-hirdb%ef%bc%88blob-%e7%b1%bb%e5%9e%8b%ef%bc%89%e8%bf%81%e7%a7%bb%e5%88%b0-postgresql%ef%bc%88bytea-%e7%b1%bb%e5%9e%8b%ef%bc%89\/"},"modified":"2024-04-30T18:11:38","modified_gmt":"2024-04-30T10:11:38","slug":"%e3%80%90%e6%95%b0%e6%8d%ae%e8%bf%81%e7%a7%bb%e3%80%91%e5%b0%86-hirdb%ef%bc%88blob-%e7%b1%bb%e5%9e%8b%ef%bc%89%e8%bf%81%e7%a7%bb%e5%88%b0-postgresql%ef%bc%88bytea-%e7%b1%bb%e5%9e%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e6%95%b0%e6%8d%ae%e8%bf%81%e7%a7%bb%e3%80%91%e5%b0%86-hirdb%ef%bc%88blob-%e7%b1%bb%e5%9e%8b%ef%bc%89%e8%bf%81%e7%a7%bb%e5%88%b0-postgresql%ef%bc%88bytea-%e7%b1%bb%e5%9e%8b%ef%bc%89\/","title":{"rendered":"\u3010\u6570\u636e\u8fc1\u79fb\u3011\u5c06 HiRDB\uff08BLOB \u7c7b\u578b\uff09\u8fc1\u79fb\u5230 PostgreSQL\uff08bytea \u7c7b\u578b\uff09"},"content":{"rendered":"<p>\u7531\u4e8e\u5728HiRDB\u4e0a\u5b58\u5728\u4e00\u4e2aBLOB\u7c7b\u578b\u7684\u5217\uff0c\u73b0\u5728\u9700\u8981\u5c06\u6570\u636e\u8fc1\u79fb\u5230PostgreSQL\uff0c\u56e0\u6b64\u6211\u5c06\u5176\u8bb0\u5f55\u4e0b\u6765\u4f5c\u4e3a\u5907\u5fd8\u5f55\u3002<\/p>\n<p>\u6d41\u7a0b\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u3010HiRDB\u3011\u8bf7\u521b\u5efa\u4e00\u4e2aINSERT\u8bed\u53e5\uff0c\u5176\u4e2d\u4e0d\u5305\u62ec&#8221;BLOB&#8221;\u7c7b\u578b\u7684\u5217\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u3010HiRDB\u3011\u4ec5\u9009\u62e9\u76ee\u6807\u8868\u7684\u4e3b\u952e\u548cBLOB\u7c7b\u578b\u5217\uff0c\u5c06\u5176\u5bfc\u51fa\u4e3a\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u3010HiRDB \u2192 PostgreSQL\u3011\u5c06\u5bfc\u51fa\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u4f20\u8f93\u5230\u5b89\u88c5\u6709PostgreSQL\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u3010PostgreSQL\u3011\u901a\u8fc7UPDATE\u8bed\u53e5\u5c06\u79fb\u52a8\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u5e94\u7528\u4e8e\u73b0\u6709\u8bb0\u5f55\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u3010PostgreSQL\u3011\u6267\u884cUPDATE\u8bed\u53e5\u3002<\/ol>\n<h3>\u2460\u3010HiRDB\u3011\u521b\u5efaINSERT\u8bed\u53e5\u65f6\uff0c\u53ea\u9700\u6392\u9664BLOB\u7c7b\u578b\u7684\u5217\u3002<\/h3>\n<p>\u5728\u5e94\u7528INSERT\u8bed\u53e5\u5230PostgreSQL\u4e4b\u524d\uff0c\u4fdd\u7559\u6b64\u5904\u6240\u521b\u5efa\u7684INSERT\u8bed\u53e5\uff0c\u5e76\u786e\u4fdd\u9664\u4e86BLOB\u7c7b\u578b\u5217\u4e4b\u5916\uff0c\u5176\u4ed6\u6570\u636e\u90fd\u5df2\u5b58\u5728\u3002<\/p>\n<h3>\u4ec5\u9009\u62e9\u76ee\u6807\u8868\u7684\u4e3b\u952e\u548cBLOB\u7c7b\u578b\u5b57\u6bb5\uff0c\u5e76\u5c06\u5176\u5bfc\u51fa\u4e3a\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002<\/h3>\n<p>\u4f7f\u7528HiRDB\u7684WRITE\u51fd\u6570\u6765SELECT BLOB\u7c7b\u578b\u5217\uff0c\u53ef\u4ee5\u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u8f93\u51fa\u5230\u6587\u6863\u76ee\u5f55\u4e2d\u3002<br \/>\n\u56e0\u6b64\uff0c\u5728HiRDB\u7684\u63a7\u5236\u53f0\u4e0a\u8f93\u51fa\u7684\u662f\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002<\/p>\n<p>\u4e3b\u952e | \u5bf9\u5e94\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u540d<\/p>\n<p>\u6210\u4e3a\u8fd9\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">select<\/span> <span class=\"p\">[<\/span><span class=\"err\">\u30c6\u30fc\u30d6\u30eb\u306e<\/span><span class=\"n\">PrimaryKey<\/span><span class=\"p\">],<\/span> <span class=\"k\">WRITE<\/span><span class=\"p\">([<\/span><span class=\"nb\">BLOB<\/span><span class=\"err\">\u578b\u306e\u30ab\u30e9\u30e0\u540d<\/span><span class=\"p\">],<\/span> <span class=\"s1\">'\u51fa\u529b\u3055\u305b\u305f\u3044Dir\u306e\u30d1\u30b9\/\u30d5\u30a1\u30a4\u30eb\u306e\u63a5\u982d\u8f9e(?)'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"k\">from<\/span> <span class=\"err\">\u30c6\u30fc\u30d6\u30eb\u540d<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u30fb\u8981\u8f93\u51fa\u7684\u76ee\u5f55\u8def\u5f84\uff1a\/hirdb\/doc<br \/>\n\u30fb\u6587\u4ef6\u524d\u7f00\uff1aBLOBFILE<br \/>\n\u8f93\u51fa\u7684\u76ee\u5f55\u8def\u5f84\/\u6587\u4ef6\u524d\u7f00(?)<br \/>\n\u21d2\/hirdb\/doc\/BLOBFILE<\/p>\n<p>\u203b\u8f93\u51fa\u7684\u4e24\u4e2a\u4fe1\u606f\u6700\u597d\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\uff0c\u8fd9\u6837\u540e\u9762\u4f1a\u66f4\u65b9\u4fbf\uff0c\u4f46\u7531\u4e8e\u4e0d\u77e5\u9053\u6587\u4ef6\u8f93\u51fa\u7684\u65b9\u6cd5\uff0c\u6240\u4ee5\u91c7\u7528\u4e86\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<h3>\u628aHiRDB\u8f6c\u6362\u4e3aPostgreSQL\u540e\u7684\u8f93\u51fa\u4e8c\u8fdb\u5236\u6587\u4ef6\u4f20\u9001\u5230\u5df2\u5b89\u88c5PostgreSQL\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a\u3002<\/h3>\n<p>\u7531\u4e8e\u73af\u5883\u7684\u4e0d\u540c\uff0c\u5982\u4f55\u79fb\u52a8\u4e8c\u8fdb\u5236\u6587\u4ef6\u4f1a\u6709\u6240\u5dee\u5f02\uff0c\u56e0\u6b64\u7701\u7565\u5177\u4f53\u65b9\u6cd5\u3002<br \/>\n\u8fd9\u6b21\u6211\u4f7f\u7528ffftp\u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u5148\u79fb\u52a8\u5230\u672c\u5730\uff0c\u7136\u540e\u518d\u5c06\u672c\u5730\u6587\u4ef6\u79fb\u52a8\u5230PostgreSQL\u670d\u52a1\u5668\uff0c\u8fd9\u6837\u505a\u7b97\u662f\u591a\u6b64\u4e00\u4e3e\u3002<\/p>\n<p>\u203b\u5173\u4e8e\u8fc1\u79fb\u5230PostgreSQL\u670d\u52a1\u5668\u7684\u76ee\u6807\u4f4d\u7f6e\uff0c\u9700\u8981\u79fb\u52a8\u5230\u5305\u542b\u901a\u8fc7\u786e\u8ba4\u7528\u4e8e\u68c0\u67e5PostgreSQL\u6587\u6863\u76ee\u5f55\u7684SELECT\u8bed\u53e5\u68c0\u7d22\u5230\u7684\u6587\u4ef6\u7684\u6587\u4ef6\u5939\u4e2d\u3002<br \/>\n\u5982\u679c\u4e0d\u6267\u884c\u6b64\u64cd\u4f5c\uff0c\u5219\u4f1a\u5bfc\u81f4\u4e0b\u9762\u7684\u9519\u8bef\uff0c\u5728\u4e0b\u4e00\u6761UPDATE\u8bed\u53e5\u4e2d\u5931\u8d25\u3002<br \/>\n\u9519\u8bef\uff1a\u65e0\u6cd5\u5bf9\u6587\u4ef6&#8221;xxxxxxxxxxx&#8221;\u8fdb\u884cstat\u7edf\u8ba1\uff1a\u6ca1\u6709\u6b64\u6587\u4ef6\u6216\u76ee\u5f55<br \/>\nxxxxxxxxxxx\u4e3a\u6587\u4ef6\u540d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">select<\/span> <span class=\"n\">pg_ls_dir<\/span><span class=\"p\">(<\/span><span class=\"s1\">'.'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h3>\u901a\u8fc7UPDATE\u8bed\u53e5\u5c06\u79fb\u52a8\u8fc7\u6765\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u5e94\u7528\u5230\u73b0\u6709\u8bb0\u5f55\u4e2d\u7684PostgreSQL\u3002<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">UPDATE<\/span> <span class=\"p\">[<\/span><span class=\"err\">\u5bfe\u8c61\u30c6\u30fc\u30d6\u30eb\u540d<\/span><span class=\"p\">]<\/span> <span class=\"k\">SET<\/span> <span class=\"p\">[<\/span><span class=\"n\">bytea<\/span><span class=\"err\">\u578b\u30ab\u30e9\u30e0\u540d<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pg_read_binary_file<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u79fb\u52d5\u3055\u305b\u3066\u304d\u305f\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u540d'<\/span><span class=\"p\">)<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">PrimaryKey<\/span><span class=\"err\">\u540d<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'\u2461\u3067\u51fa\u529b\u3055\u305b\u305f\u5bfe\u5fdc\u3059\u308bPrimaryKey'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4f7f\u7528Excel\u7684CONCATENATE\u51fd\u6570\u521b\u5efa\u4e86\u8fd9\u4e2aUPDATE\u8bed\u53e5\u3002<\/p>\n<h3>\u2464\u3010PostgreSQL\u3011\u6267\u884cUPDATE\u8bed\u53e5<\/h3>\n<p>\u76f4\u4e0a\u4e91\u9704\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7531\u4e8e\u5728HiRDB\u4e0a\u5b58\u5728\u4e00\u4e2aBLOB\u7c7b\u578b\u7684\u5217\uff0c\u73b0\u5728\u9700\u8981\u5c06\u6570\u636e\u8fc1\u79fb\u5230PostgreSQL\uff0c\u56e0\u6b64\u6211\u5c06\u5176\u8bb0\u5f55\u4e0b\u6765\u4f5c\u4e3a\u5907 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-42088","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010\u6570\u636e\u8fc1\u79fb\u3011\u5c06 HiRDB\uff08BLOB \u7c7b\u578b\uff09\u8fc1\u79fb\u5230 PostgreSQL\uff08bytea \u7c7b\u578b\uff09 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010\u6570\u636e\u8fc1\u79fb\u3011\u5c06-hirdb\uff08blob-\u7c7b\u578b\uff09\u8fc1\u79fb\u5230-postgresql\uff08bytea-\u7c7b\u578b\uff09\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010\u6570\u636e\u8fc1\u79fb\u3011\u5c06 HiRDB\uff08BLOB \u7c7b\u578b\uff09\u8fc1\u79fb\u5230 PostgreSQL\uff08bytea \u7c7b\u578b\uff09\" \/>\n<meta property=\"og:description\" content=\"\u7531\u4e8e\u5728HiRDB\u4e0a\u5b58\u5728\u4e00\u4e2aBLOB\u7c7b\u578b\u7684\u5217\uff0c\u73b0\u5728\u9700\u8981\u5c06\u6570\u636e\u8fc1\u79fb\u5230PostgreSQL\uff0c\u56e0\u6b64\u6211\u5c06\u5176\u8bb0\u5f55\u4e0b\u6765\u4f5c\u4e3a\u5907 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010\u6570\u636e\u8fc1\u79fb\u3011\u5c06-hirdb\uff08blob-\u7c7b\u578b\uff09\u8fc1\u79fb\u5230-postgresql\uff08bytea-\u7c7b\u578b\uff09\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-12T04:22:51+00:00\" \/>\n<meta property=\"article:modified_time\" 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