{"id":178954,"date":"2024-11-08T21:47:20","date_gmt":"2024-11-08T13:47:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178954\/"},"modified":"2024-11-08T21:47:21","modified_gmt":"2024-11-08T13:47:21","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a39p02-srf_protocol_violated%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178954\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a39P02 &#8211; srf_protocol_violated\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a39p02-srf_protocol_violated-JWClAZTGpA\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a39P02 &#8211; srf_protocol_violated<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f39P02\uff0c\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u201csrf_protocol_violated\u201d\u6709\u95dc\u3002\u9019\u500b\u932f\u8aa4\u7684\u51fa\u73fe\u901a\u5e38\u662f\u56e0\u70ba\u5728\u4f7f\u7528\u96c6\u5408\u51fd\u6578\uff08set-returning functions, SRF\uff09\u6642\uff0c\u9055\u53cd\u4e86PostgreSQL\u7684\u5354\u8b70\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-JWClAZTGpA\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>PostgreSQL\u4e2d\u7684\u96c6\u5408\u51fd\u6578\u5141\u8a31\u7528\u6236\u5728\u67e5\u8a62\u4e2d\u8fd4\u56de\u591a\u884c\u6578\u64da\u3002\u7576\u9019\u4e9b\u51fd\u6578\u88ab\u4e0d\u7576\u4f7f\u7528\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f439P02\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u4e0d\u6b63\u78ba\u7684\u51fd\u6578\u8abf\u7528\uff1a<\/strong>\u7576\u96c6\u5408\u51fd\u6578\u5728\u4e0d\u652f\u6301\u7684\u4e0a\u4e0b\u6587\u4e2d\u88ab\u8abf\u7528\u6642\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5728SELECT\u8a9e\u53e5\u4e2d\u76f4\u63a5\u8abf\u7528SRF\u800c\u4e0d\u4f7f\u7528FROM\u5b50\u53e5\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e0d\u7576\u7684\u8a9e\u6cd5\uff1a<\/strong>\u5982\u679c\u5728SQL\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u8a9e\u6cd5\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4PostgreSQL\u7121\u6cd5\u6b63\u78ba\u89e3\u6790SRF\u3002<\/li>\n<li><strong>\u4e0a\u4e0b\u6587\u4e0d\u5339\u914d\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cSRF\u53ef\u80fd\u9700\u8981\u7279\u5b9a\u7684\u4e0a\u4e0b\u6587\u4f86\u6b63\u78ba\u57f7\u884c\uff0c\u4f8b\u5982\u5728JOIN\u64cd\u4f5c\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a939p02%e9%8c%af%e8%aa%a4-JWClAZTGpA\">\u5982\u4f55\u4fee\u5fa939P02\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa939P02\u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u5b9a\u932f\u8aa4\u7684\u5177\u9ad4\u539f\u56e0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%87%bd%e6%95%b8%e8%aa%bf%e7%94%a8-JWClAZTGpA\">1. \u6aa2\u67e5\u51fd\u6578\u8abf\u7528<\/h3>\n<p>\u78ba\u4fdd\u96c6\u5408\u51fd\u6578\u7684\u8abf\u7528\u662f\u6b63\u78ba\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u6b63\u78ba\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM unnest(ARRAY[1, 2, 3]);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>unnest<\/code>\u51fd\u6578\u88ab\u6b63\u78ba\u5730\u7528\u5728\u4e86FROM\u5b50\u53e5\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d39P02\u932f\u8aa4\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%ad%90%e6%9f%a5%e8%a9%a2-JWClAZTGpA\">2. \u4f7f\u7528\u5b50\u67e5\u8a62<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5728SELECT\u8a9e\u53e5\u4e2d\u4f7f\u7528SRF\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5b50\u67e5\u8a62\u4f86\u5305\u88ddSRF\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM (SELECT unnest(ARRAY[1, 2, 3])) AS numbers;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u5beb\u6cd5\u53ef\u4ee5\u78ba\u4fddSRF\u5728\u6b63\u78ba\u7684\u4e0a\u4e0b\u6587\u4e2d\u88ab\u8abf\u7528\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e8%aa%9e%e6%b3%95-JWClAZTGpA\">3. \u6aa2\u67e5\u8a9e\u6cd5<\/h3>\n<p>\u4ed4\u7d30\u6aa2\u67e5SQL\u67e5\u8a62\u7684\u8a9e\u6cd5\uff0c\u78ba\u4fdd\u6c92\u6709\u62fc\u5beb\u932f\u8aa4\u6216\u8a9e\u6cd5\u932f\u8aa4\u3002\u4f7f\u7528PostgreSQL\u7684\u6587\u6a94\u4f86\u78ba\u8a8d\u51fd\u6578\u7684\u6b63\u78ba\u7528\u6cd5\u3002<\/p>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0postgresql%e7%89%88%e6%9c%ac-JWClAZTGpA\">4. \u66f4\u65b0PostgreSQL\u7248\u672c<\/h3>\n<p>\u6709\u6642\u5019\uff0c\u932f\u8aa4\u53ef\u80fd\u662f\u7531\u65bcPostgreSQL\u7684\u7248\u672c\u554f\u984c\u3002\u78ba\u4fdd\u4f7f\u7528\u7684\u662f\u6700\u65b0\u7248\u672c\u7684PostgreSQL\uff0c\u56e0\u70ba\u65b0\u7248\u672c\u53ef\u80fd\u4fee\u5fa9\u4e86\u820a\u7248\u672c\u4e2d\u7684\u67d0\u4e9b\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-JWClAZTGpA\">\u7d50\u8ad6<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc39P02 &#8211; srf_protocol_violated\u901a\u5e38\u662f\u7531\u65bc\u4e0d\u7576\u4f7f\u7528\u96c6\u5408\u51fd\u6578\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u51fd\u6578\u8abf\u7528\u3001\u4f7f\u7528\u5b50\u67e5\u8a62\u3001\u6aa2\u67e5\u8a9e\u6cd5\u4ee5\u53ca\u66f4\u65b0PostgreSQL\u7248\u672c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc39P02 &#8211; srf_protocol_violated\uff0c\u89e3\u6c7aSRF\u8abf\u7528\u4e2d\u7684\u5354\u8b70\u9055\u898f\u554f\u984c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-178954","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=178954"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178954\/revisions"}],"predecessor-version":[{"id":178955,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178954\/revisions\/178955"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}