{"id":21482,"date":"2024-01-02T10:07:23","date_gmt":"2024-01-02T10:07:23","guid":{"rendered":"https:\/\/server.hk\/blog\/21482\/"},"modified":"2024-11-14T10:33:32","modified_gmt":"2024-11-14T02:33:32","slug":"how-to-fix-postgresql-error-code-hv090-fdw_invalid_string_length_or_buffer_length","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21482\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc: HV090 &#8211; fdw_invalid_string_length_or_buffer_length"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-hv090-fdw_invalid_string_length_or_buffer_length-DYvEknwDfw\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc: HV090 &#8211; fdw_invalid_string_length_or_buffer_length<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u3002\u7136\u800c\uff0c\u50cf\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u4e5f\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u5c0e\u81f4\u5176\u6b63\u5e38\u904b\u4f5c\u4e2d\u65b7\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f HV090 \u932f\u8aa4\u4ee3\u78bc\uff0c\u5177\u9ad4\u70ba &#8220;fdw_invalid_string_length_or_buffer_length&#8221; \u932f\u8aa4\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\uff0c\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\u4f86\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"understanding-the-hv090-error-code-DYvEknwDfw\">\u7406\u89e3 HV090 \u932f\u8aa4\u4ee3\u78bc<\/h2>\n<p>PostgreSQL \u4e2d\u7684 HV090 \u932f\u8aa4\u4ee3\u78bc\u8868\u793a\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\uff08Foreign Data Wrapper\uff0c\u7c21\u7a31 FDW\uff09\u4e2d\u4f7f\u7528\u7684\u5b57\u4e32\u6216\u7de9\u885d\u5340\u9577\u5ea6\u51fa\u73fe\u554f\u984c\u3002FDW \u662f PostgreSQL \u4e2d\u7684\u4e00\u500b\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u8a2a\u554f\u5b58\u5132\u65bc\u5916\u90e8\u6578\u64da\u5eab\u6216\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<p>\u7576\u51fa\u73fe\u6b64\u932f\u8aa4\u6642\uff0c\u8868\u793a\u63d0\u4f9b\u7d66 FDW \u7684\u5b57\u4e32\u6216\u7de9\u885d\u5340\u9577\u5ea6\u7121\u6548\u3002\u9019\u53ef\u80fd\u7531\u65bc\u591a\u7a2e\u539f\u56e0\u5f15\u8d77\uff0c\u5982\u6578\u64da\u985e\u578b\u4e0d\u6b63\u78ba\u3001\u7de9\u885d\u5340\u5927\u5c0f\u4e0d\u5339\u914d\u6216\u5b57\u7b26\u7de8\u78bc\u4e0d\u517c\u5bb9\u3002<\/p>\n<h2 id=\"common-causes-of-the-hv090-error-DYvEknwDfw\">HV090 \u932f\u8aa4\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<p>\u6709\u5e7e\u500b\u5e38\u898b\u539f\u56e0\u53ef\u80fd\u6703\u89f8\u767c PostgreSQL \u4e2d\u7684 HV090 \u932f\u8aa4\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u6b63\u78ba\uff1a<\/strong>\u5982\u679c FDW \u4e2d\u4f7f\u7528\u7684\u6578\u64da\u985e\u578b\u8207\u76ee\u6a19\u6578\u64da\u5eab\u6216\u7cfb\u7d71\u4e0d\u517c\u5bb9\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5c07\u5b57\u4e32\u4f5c\u70ba\u6574\u6578\u50b3\u905e\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4 HV090 \u932f\u8aa4\u3002<\/li>\n<li><strong>\u7de9\u885d\u5340\u5927\u5c0f\u4e0d\u5339\u914d\uff1a<\/strong>\u5982\u679c FDW \u4e2d\u4f7f\u7528\u7684\u7de9\u885d\u5340\u5927\u5c0f\u8207\u9810\u671f\u5927\u5c0f\u4e0d\u5339\u914d\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u932f\u8aa4\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4e0d\u540c\u7cfb\u7d71\u4e4b\u9593\u50b3\u8f38\u6578\u64da\u6642\uff0c\u9019\u4e9b\u7cfb\u7d71\u6709\u4e0d\u540c\u7684\u7de9\u885d\u5340\u8981\u6c42\u3002<\/li>\n<li><strong>\u5b57\u7b26\u7de8\u78bc\u4e0d\u517c\u5bb9\uff1a<\/strong>\u5982\u679c FDW \u4f7f\u7528\u7684\u5b57\u7b26\u7de8\u78bc\u8207\u76ee\u6a19\u6578\u64da\u5eab\u6216\u7cfb\u7d71\u4e0d\u517c\u5bb9\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u8655\u7406\u591a\u8a9e\u8a00\u6578\u64da\u6216\u4e0d\u540c\u7de8\u78bc\u6a19\u6e96\u7684\u7cfb\u7d71\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-hv090-error-DYvEknwDfw\">\u4fee\u5fa9 HV090 \u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9 PostgreSQL \u4e2d\u7684 HV090 \u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n<ol>\n<li><strong>\u6aa2\u67e5\u6578\u64da\u985e\u578b\uff1a<\/strong>\u78ba\u4fdd FDW \u4e2d\u4f7f\u7528\u7684\u6578\u64da\u985e\u578b\u8207\u76ee\u6a19\u6578\u64da\u5eab\u6216\u7cfb\u7d71\u517c\u5bb9\u3002\u67e5\u770b\u5169\u500b\u7cfb\u7d71\u7684\u6587\u6a94\uff0c\u4ee5\u78ba\u8a8d\u61c9\u4f7f\u7528\u7684\u6b63\u78ba\u6578\u64da\u985e\u578b\u3002<\/li>\n<li><strong>\u78ba\u8a8d\u7de9\u885d\u5340\u5927\u5c0f\uff1a<\/strong>\u78ba\u4fdd FDW \u4e2d\u4f7f\u7528\u7684\u7de9\u885d\u5340\u5927\u5c0f\u8207\u9810\u671f\u5927\u5c0f\u5339\u914d\u3002\u8acb\u67e5\u95b1\u5169\u500b\u7cfb\u7d71\u7684\u6587\u6a94\uff0c\u78ba\u5b9a\u6578\u64da\u50b3\u8f38\u7684\u9069\u7576\u7de9\u885d\u5340\u5927\u5c0f\u3002<\/li>\n<li><strong>\u78ba\u4fdd\u5b57\u7b26\u7de8\u78bc\u517c\u5bb9\uff1a<\/strong>\u5982\u679c\u60a8\u6b63\u5728\u8655\u7406\u591a\u8a9e\u8a00\u6578\u64da\u6216\u4f7f\u7528\u4e0d\u540c\u7de8\u78bc\u6a19\u6e96\u7684\u7cfb\u7d71\uff0c\u8acb\u78ba\u4fdd FDW \u548c\u76ee\u6a19\u7cfb\u7d71\u4f7f\u7528\u7684\u5b57\u7b26\u7de8\u78bc\u517c\u5bb9\u3002\u5982\u679c\u6709\u5fc5\u8981\uff0c\u5c07\u6578\u64da\u8f49\u63db\u70ba\u9069\u7576\u7684\u7de8\u78bc\u3002<\/li>\n<li><strong>\u66f4\u65b0 PostgreSQL \u548c FDW\uff1a<\/strong>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u820a\u7248\u672c\u7684 PostgreSQL \u6216 FDW\uff0c\u8acb\u8003\u616e\u66f4\u65b0\u81f3\u6700\u65b0\u7248\u672c\u3002\u65b0\u7248\u901a\u5e38\u5305\u62ec\u932f\u8aa4\u4fee\u5fa9\u548c\u6539\u9032\uff0c\u6709\u52a9\u65bc\u89e3\u6c7a HV090 \u932f\u8aa4\u3002<\/li>\n<\/ol>\n<p>\u901a\u904e\u6309\u7167\u9019\u4e9b\u6b65\u9a5f\u64cd\u4f5c\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u89e3\u6c7a PostgreSQL \u4e2d\u7684 HV090 \u932f\u8aa4\uff0c\u4e26\u78ba\u4fdd\u7cfb\u7d71\u4e4b\u9593\u7684\u6578\u64da\u50b3\u8f38\u9806\u5229\u9032\u884c\u3002<\/p>\n<h2 id=\"summary-DYvEknwDfw\">\u6458\u8981<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cPostgreSQL \u4e2d\u7684 HV090 \u932f\u8aa4\u4ee3\u78bc\u8868\u793a\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\u4e2d\u4f7f\u7528\u7684\u5b57\u4e32\u6216\u7de9\u885d\u5340\u9577\u5ea6\u554f\u984c\u3002\u6b64\u932f\u8aa4\u53ef\u80fd\u7531\u65bc\u6578\u64da\u985e\u578b\u4e0d\u6b63\u78ba\u3001\u7de9\u885d\u5340\u5927\u5c0f\u4e0d\u5339\u914d\u6216\u5b57\u7b26\u7de8\u78bc\u4e0d\u517c\u5bb9\u5f15\u8d77\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u91cd\u8981\u7684\u662f\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u78ba\u8a8d\u7de9\u885d\u5340\u5927\u5c0f\u3001\u78ba\u4fdd\u5b57\u7b26\u7de8\u78bc\u517c\u5bb9\uff0c\u4e26\u8003\u616e\u66f4\u65b0 PostgreSQL \u548c FDW\u3002\u5982\u679c\u60a8\u9047\u5230 HV090 \u932f\u8aa4\u6216\u5176\u4ed6\u8207 PostgreSQL \u6709\u95dc\u7684\u554f\u984c\uff0c\u8acb\u8003\u616e\u5c0b\u6c42\u50cf <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u9019\u6a23\u53ef\u9760\u7684 VPS \u8a17\u7ba1\u670d\u52d9\u4f9b\u61c9\u5546\u7684\u5e6b\u52a9\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684 PostgreSQL \u74b0\u5883\u7372\u5f97\u6700\u4f73\u6027\u80fd\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u5fa9 PostgreSQL &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21482","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21482","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21482"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21482\/revisions"}],"predecessor-version":[{"id":23990,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21482\/revisions\/23990"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}