{"id":206381,"date":"2025-06-12T12:07:35","date_gmt":"2025-06-12T04:07:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206381\/"},"modified":"2025-06-12T12:07:35","modified_gmt":"2025-06-12T04:07:35","slug":"gorm-raw-%e6%9f%a5%e8%af%a2-unsupported-destination-%e9%94%99%e8%af%af%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3-select-database-%e6%9f%a5%e8%af%a2%e7%bb%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206381\/","title":{"rendered":"GORM Raw \u67e5\u8be2 \u201cunsupported destination\u201d \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 \u201cselect database()\u201d \u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u95ee\u9898\uff1f"},"content":{"rendered":"<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGORM Raw \u67e5\u8be2 \u201cunsupported destination\u201d \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 \u201cselect database()\u201d \u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u95ee\u9898\uff1f \u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/17312485076730c17b872ba.jpg\" class=\"aligncenter\">,<br \/>\n<strong>gorm raw\u67e5\u8be2\u201cunsupported destination, should be slice or struct\u201d\u9519\u8bef\uff1a<\/strong>,\u5728\u4f7f\u7528gorm\u8fdb\u884c\u539f\u751fsql\u67e5\u8be2\u65f6\uff0c\u5982\u679c\u51fa\u73b0\u201cunsupported destination, should be slice or struct\u201d\u9519\u8bef\uff0c\u5176\u6839\u672c\u539f\u56e0\u5728\u4e8egorm\u7684raw\u65b9\u6cd5\u672c\u8d28\u4e0a\u5c06\u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u5230\u7ed3\u6784\u4f53\u6216\u5207\u7247\u4e2d\uff0c\u800c\u50cf\u201cselect database()\u201d\u8fd9\u7c7b\u67e5\u8be2\u7ed3\u679c\u4e0e\u8868\u7ed3\u6784\u65e0\u5173\u3002,\u5b98\u65b9\u6587\u6863\u63d0\u4f9b\u7684\u793a\u4f8b\uff08var age int db.raw(&#8230;).scan(&amp;age)\uff09\u4e4b\u6240\u4ee5\u6210\u529f\uff0c\u662f\u56e0\u4e3aage\u662f\u4e00\u4e2a\u660e\u786e\u5b9a\u4e49\u7684\u53d8\u91cf\uff0c\u5b83\u7b26\u5408gorm\u7684\u6620\u5c04\u673a\u5236\u3002\u7136\u800c\uff0c\u50cf\u201cselect database()\u201d\u8fd9\u7c7b\u67e5\u8be2\u7ed3\u679c\u65e0\u6cd5\u76f4\u63a5\u6620\u5c04\u5230\u7ed3\u6784\u4f53\u6216\u5207\u7247\u3002,\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u9700\u8981\u4f7f\u7528go\u539f\u751f\u7684<br \/>\n<em>sql.db\u7c7b\u578b\u7684queryrow\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7gorm.db\u7ed3\u6784\u4f53\u7684db()\u65b9\u6cd5\u83b7\u53d6<\/em>sql.db\u7c7b\u578b\u3002,\u4fee\u6539\u540e\u7684\u6b63\u786e\u4ee3\u7801\u5982\u4e0b\uff1a,\u4eca\u5929\u5173\u4e8e\u300aGORM Raw \u67e5\u8be2 \u201cunsupported destination\u201d \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 \u201cselect database()\u201d \u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u95ee\u9898\uff1f \u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01,gorm raw\u67e5\u8be2\u201cunsupported destination, should be slice or struct\u201d\u9519\u8bef\uff1a,\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGORM Raw \u67e5\u8be2 \u201cunsupported destination\u201d \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 \u201cselect database()\u201d \u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u95ee\u9898\uff1f \u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>GORM Raw \u67e5\u8be2 \u201cunsupported destination\u201d \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 \u201cselect database()\u201d \u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u95ee\u9898\uff1f <\/span><\/p>\n<h1>GORM Raw \u67e5\u8be2 \u201cunsupported destination\u201d \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 \u201cselect database()\u201d \u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u95ee\u9898\uff1f <\/h1>\n<p><span>2024-11-10 22:22:03<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGORM Raw \u67e5\u8be2 \u201cunsupported destination\u201d \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 \u201cselect database()\u201d \u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u95ee\u9898\uff1f \u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/17312485076730c17b872ba.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>gorm raw\u67e5\u8be2\u201cunsupported destination, should be slice or struct\u201d\u9519\u8bef\uff1a<\/strong><\/p>\n<p>\u5728\u4f7f\u7528gorm\u8fdb\u884c\u539f\u751fsql\u67e5\u8be2\u65f6\uff0c\u5982\u679c\u51fa\u73b0\u201cunsupported destination, should be slice or struct\u201d\u9519\u8bef\uff0c\u5176\u6839\u672c\u539f\u56e0\u5728\u4e8egorm\u7684raw\u65b9\u6cd5\u672c\u8d28\u4e0a\u5c06\u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u5230\u7ed3\u6784\u4f53\u6216\u5207\u7247\u4e2d\uff0c\u800c\u50cf\u201cselect database()\u201d\u8fd9\u7c7b\u67e5\u8be2\u7ed3\u679c\u4e0e\u8868\u7ed3\u6784\u65e0\u5173\u3002<\/p>\n<p>\u5b98\u65b9\u6587\u6863\u63d0\u4f9b\u7684\u793a\u4f8b\uff08var age int db.raw(&#8230;).scan(&amp;age)\uff09\u4e4b\u6240\u4ee5\u6210\u529f\uff0c\u662f\u56e0\u4e3aage\u662f\u4e00\u4e2a\u660e\u786e\u5b9a\u4e49\u7684\u53d8\u91cf\uff0c\u5b83\u7b26\u5408gorm\u7684\u6620\u5c04\u673a\u5236\u3002\u7136\u800c\uff0c\u50cf\u201cselect database()\u201d\u8fd9\u7c7b\u67e5\u8be2\u7ed3\u679c\u65e0\u6cd5\u76f4\u63a5\u6620\u5c04\u5230\u7ed3\u6784\u4f53\u6216\u5207\u7247\u3002<\/p>\n<p>\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u9700\u8981\u4f7f\u7528go\u539f\u751f\u7684<em>sql.db\u7c7b\u578b\u7684queryrow\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7gorm.db\u7ed3\u6784\u4f53\u7684db()\u65b9\u6cd5\u83b7\u53d6<\/em>sql.db\u7c7b\u578b\u3002<\/p>\n<p>\u4fee\u6539\u540e\u7684\u6b63\u786e\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>func showCurrentDb() {\n    var database string\n    persistence.GetDB().DB().QueryRow(\"select database()\").Scan(&amp;database)\n    fmt.Println(\"database \", database)\n}<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300aGORM Raw \u67e5\u8be2 \u201cunsupported destination\u201d \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 \u201cselect database()\u201d \u67e5\u8be2\u7ed3\u679c\u6620\u5c04\u95ee\u9898\uff1f \u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Go \u8bed\u8a00\u4e2d\u7684\u6b7b\u9501\u9519\u8bef\uff1a\u6240\u6709\u534f\u7a0b\u4f11\u7720\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u8c37\u6b4c\u6d4f\u89c8\u5668\u4e0e\u706b\u72d0\u6d4f\u89c8\u5668\u76ee\u5f55\u6811\u6e32\u67d3\u5dee\u5f02\uff1a\u4e3a\u4f55\u91cd\u547d\u540d\u6587\u4ef6\u540e\u76ee\u5f55\u6811\u4f1a\u5de6\u79fb\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-206381","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206381","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=206381"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206381\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}