{"id":178776,"date":"2024-11-08T20:48:20","date_gmt":"2024-11-08T12:48:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178776\/"},"modified":"2024-11-08T20:48:21","modified_gmt":"2024-11-08T12:48:21","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%9a22036-non_numeric_sql_json_item%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178776\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22036 &#8211; non_numeric_sql_json_item\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%9a22036-non_numeric_sql_json_item-hjULYtHCfZ\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22036 &#8211; non_numeric_sql_json_item<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc22036\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5728\u8655\u7406JSON\u6578\u64da\u6642\u51fa\u73fe\u4e86\u975e\u6578\u5b57\u9805\u76ee\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u8655\u7406\u6b64\u554f\u984c\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc22036%e7%9a%84%e8%83%8c%e6%99%af-hjULYtHCfZ\">\u932f\u8aa4\u4ee3\u78bc22036\u7684\u80cc\u666f<\/h2>\n<p>PostgreSQL\u662f\u4e00\u500b\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ecJSON\u548cJSONB\u3002\u7576\u4f60\u5617\u8a66\u5c07\u975e\u6578\u5b57\u985e\u578b\u7684\u6578\u64da\u63d2\u5165\u5230\u671f\u671b\u70ba\u6578\u5b57\u7684JSON\u5b57\u6bb5\u6642\uff0c\u5c31\u6703\u51fa\u73fe22036\u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5728JSON\u6578\u64da\u4e2d\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u6578\u64da\u985e\u578b\u3002<\/li>\n<li>\u5617\u8a66\u5c07\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u975e\u6578\u5b57\u985e\u578b\u7684\u6578\u64da\u8f49\u63db\u70ba\u6578\u5b57\u3002<\/li>\n<li>\u5728\u57f7\u884cSQL\u67e5\u8a62\u6642\uff0c\u672a\u6b63\u78ba\u8655\u7406JSON\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%a0%b4%e6%99%af%e5%8f%8a%e7%a4%ba%e4%be%8b-hjULYtHCfZ\">\u5e38\u898b\u5834\u666f\u53ca\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u5c0e\u81f422036\u932f\u8aa4\u7684\u5e38\u898b\u5834\u666f\uff1a<\/p>\n<h3 id=\"1-%e6%8f%92%e5%85%a5%e9%9d%9e%e6%95%b8%e5%ad%97%e6%95%b8%e6%93%9a-hjULYtHCfZ\">1. \u63d2\u5165\u975e\u6578\u5b57\u6578\u64da<\/h3>\n<pre><code>INSERT INTO my_table (data) VALUES ('{\"value\": \"abc\"}');<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5617\u8a66\u5c07\u5b57\u7b26\u4e32&#8221;abc&#8221;\u63d2\u5165\u5230\u671f\u671b\u70ba\u6578\u5b57\u7684JSON\u5b57\u6bb5\u4e2d\uff0c\u5c07\u5c0e\u81f422036\u932f\u8aa4\u3002<\/p>\n<h3 id=\"2-json%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%b8%8d%e5%8c%b9%e9%85%8d-hjULYtHCfZ\">2. JSON\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d<\/h3>\n<pre><code>SELECT * FROM my_table WHERE (data-&gt;&gt;'value')::int &gt; 10;<\/code><\/pre>\n<p>\u5982\u679c&#8221;data&#8221;\u5b57\u6bb5\u4e2d\u7684&#8221;value&#8221;\u4e0d\u662f\u4e00\u500b\u6709\u6548\u7684\u6574\u6578\uff0c\u5247\u5728\u57f7\u884c\u6b64\u67e5\u8a62\u6642\u4e5f\u6703\u51fa\u73fe\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc22036-hjULYtHCfZ\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc22036<\/h2>\n<p>\u4fee\u5fa9\u6b64\u932f\u8aa4\u7684\u95dc\u9375\u5728\u65bc\u78ba\u4fdd\u6240\u6709JSON\u6578\u64da\u7684\u985e\u578b\u6b63\u78ba\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-hjULYtHCfZ\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5728\u63d2\u5165\u6578\u64da\u4e4b\u524d\uff0c\u78ba\u4fdd\u6240\u6709\u6578\u64da\u90fd\u7b26\u5408\u9810\u671f\u7684\u985e\u578b\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u671f\u671b\u70ba\u6578\u5b57\u7684\u5b57\u6bb5\uff0c\u8acb\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u662f\u6578\u5b57\u985e\u578b\uff1a<\/p>\n<pre><code>INSERT INTO my_table (data) VALUES ('{\"value\": 123}');<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e6%a2%9d%e4%bb%b6%e8%aa%9e%e5%8f%a5%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e9%a9%97%e8%ad%89-hjULYtHCfZ\">2. \u4f7f\u7528\u689d\u4ef6\u8a9e\u53e5\u9032\u884c\u6578\u64da\u9a57\u8b49<\/h3>\n<p>\u5728\u57f7\u884c\u67e5\u8a62\u4e4b\u524d\uff0c\u53ef\u4ee5\u4f7f\u7528\u689d\u4ef6\u8a9e\u53e5\u4f86\u9a57\u8b49\u6578\u64da\u985e\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM my_table WHERE (data-&gt;&gt;'value') IS NOT NULL AND (data-&gt;&gt;'value') ~ '^[0-9]+$';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u6709\u6548\u7684\u6578\u5b57\u6578\u64da\u88ab\u8655\u7406\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8try_cast%e9%80%b2%e8%a1%8c%e5%ae%89%e5%85%a8%e8%bd%89%e6%8f%9b-hjULYtHCfZ\">3. \u4f7f\u7528TRY_CAST\u9032\u884c\u5b89\u5168\u8f49\u63db<\/h3>\n<p>PostgreSQL\u63d0\u4f9b\u4e86TRY_CAST\u51fd\u6578\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u5617\u8a66\u5c07\u6578\u64da\u8f49\u63db\u70ba\u6307\u5b9a\u985e\u578b\uff0c\u4e26\u5728\u5931\u6557\u6642\u8fd4\u56deNULL\uff1a<\/p>\n<pre><code>SELECT * FROM my_table WHERE TRY_CAST(data-&gt;&gt;'value' AS int) IS NOT NULL;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hjULYtHCfZ\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc22036 &#8211; non_numeric_sql_json_item\u901a\u5e38\u662f\u7531\u65bcJSON\u6578\u64da\u4e2d\u7684\u985e\u578b\u4e0d\u5339\u914d\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u4f7f\u7528\u689d\u4ef6\u8a9e\u53e5\u9032\u884c\u9a57\u8b49\u4ee5\u53ca\u5229\u7528TRY_CAST\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\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\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u5f9e\u800c\u6e1b\u5c11\u6b64\u985e\u554f\u984c\u7684\u767c\u751f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc22036 &#8211; non_numeric_sql_json_item\uff0c\u89e3\u6c7aJSON\u6578\u64da\u985e\u578b\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\u884c\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-178776","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178776","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=178776"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178776\/revisions"}],"predecessor-version":[{"id":178777,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178776\/revisions\/178777"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}