{"id":207562,"date":"2025-07-08T08:15:14","date_gmt":"2025-07-08T00:15:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207562\/"},"modified":"2025-07-08T08:15:14","modified_gmt":"2025-07-08T00:15:14","slug":"%e4%bd%bf%e7%94%a8-gorm-%e5%a4%84%e7%90%86-go-lang-%e4%b8%ad-sql-%e7%9a%84%e5%a4%9a%e4%b8%aa%e7%bb%93%e6%9e%9c%e9%9b%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207562\/","title":{"rendered":"\u4f7f\u7528 GORM \u5904\u7406 GO lang \u4e2d sql \u7684\u591a\u4e2a\u7ed3\u679c\u96c6"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u4f7f\u7528 GORM \u5904\u7406 GO lang \u4e2d sql \u7684\u591a\u4e2a\u7ed3\u679c\u96c6<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-23 17:09:33<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

Golang\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300a\u4f7f\u7528 GORM \u5904\u7406 GO lang \u4e2d sql \u7684\u591a\u4e2a\u7ed3\u679c\u96c6\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u4e4b\u524d\u7684\u7c7b\u4f3c\u95ee\u9898\u53ef\u4ee5\u8ffd\u6eaf\u52302012\u5e74\uff0c\u5f53\u65f6\u6ca1\u6709\u89e3\u51b3\u65b9\u6848\uff0c\u6240\u4ee5\u6211\u4e0d\u5f97\u4e0d\u91cd\u65b0\u63d0\u95ee\u3002<\/p>\n

struct type DualTable{\n  table1 []Table1\n  table2 []Table2\n  }\n\n  struct type Table1{\n  A string\n  B string\n  }\n\n  struct type Table2{\n  P string\n  Q string\n  }\n\n  var dualtable []DualTable\n  var table1 []Table1\n  var table2 []Table2\n\n  func main(){\n  \/\/trial 1 :failed as i get only table1 result\n  db.Raw(\"select * from table1 select * from table2\").Scan(&table1).Scan(&table2)\n\n    \/\/trial 2 :failed as i get only table2 result\n  db.Raw(\"select * from table2 select * from table1\").Scan(&table1).Scan(&table2)\n\n  \/\/trial 3 : failed as got nothing\n  db.Raw(\"select * from table1 select * from table2\").Scan(&dualtable)\n}<\/pre>\n
\u6b63\u5982\u4f60\u6240\u770b\u5230\u7684\uff0c\u6211\u6b63\u5728\u5c1d\u8bd5\u505a\u4ec0\u4e48\u3002<\/p>\n
 \u6211\u6b63\u5728\u5c1d\u8bd5\u5728 dualtable \u7ed3\u6784\u4e2d\u83b7\u53d6\u4e24\u4e2a\u8868\u7ed3\u679c<\/p>\n
 \u4f46\u4f3c\u4e4e\u53ea\u6709\u7b2c\u4e00\u4e2a\u67e5\u8be2\u8fd0\u884c\u3002<\/p>\n
\u5b9e\u9645\u4ee3\u7801\u7531\u975e\u5e38\u957f\u7684\u7ed3\u6784\u7ec4\u6210\uff0c\u5e76\u4e14\u662f\u673a\u5bc6\u7684\uff0c\u56e0\u6b64\u6211\u65e0\u6cd5\u5c06\u5176\u53d1\u5e03\u5728\u8fd9\u91cc\u3002<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u6211\u60f3\u56de\u7b54\u6211\u81ea\u5df1\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u6211\u5728\u8fd9\u91cc\u6ca1\u6709\u627e\u5230\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u4e0d\u77e5\u4f55\u6545\u627e\u5230\u4e86\u8fd9\u4e2a\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\uff0c<\/p>\n
2016 \u5e74\u4e4b\u524d\u4f60\u90fd\u505a\u4e0d\u5230\u3002<\/p>\n
\u4f46\u662f\u8fd9\u79cd\u60c5\u51b5\u5df2\u7ecf\u5411 go \u5f00\u53d1\u4eba\u5458\u5f3a\u8c03\uff0c\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4e3b\u8981\u53d1\u751f\u5728\u6267\u884c\u53d1\u51fa\u591a\u4e2a\u7ed3\u679c\u96c6\u7684\u5b58\u50a8\u8fc7\u7a0b\u65f6\u3002<\/p>\n
\u6240\u6709\u8be6\u7ec6\u4fe1\u606f\u8bf7\u53c2\u89c1\u6b64\u5904\uff1a <\/p>\n
\u7b80\u77ed\u6458\u8981\uff1a\u67e5\u8be2\u9996\u5148\u4e3a\u60a8\u63d0\u4f9b\u7b2c\u4e00\u4e2a\u7ed3\u679c\u96c6\uff0c\u60a8\u53ef\u4ee5\u4ece\u4e2d\u83b7\u53d6\u7ed3\u679c\u3002\u4e00\u65e6\u4f60\u5b8c\u6210\u4e86\u5b83\u3002\u4f7f\u7528<\/p>\n<\/p>\n
result.nextresultset()<\/pre>\n
gorm v1 \u672c\u8eab\u4e0d\u5904\u7406\u6b64\u95ee\u9898\uff0c\u4f46\u60a8\u53ef\u4ee5\u83b7\u53d6\u5e95\u5c42 *sql.rows \u7684\u67e5\u8be2\u7ed3\u679c\uff0c\u5bf9\u8868 1 \u8c03\u7528 db.scanrows\uff0c\u5bf9\u8868 2 \u8c03\u7528 rows.nextresultset \u548c db.scanrows<\/p>\n
var table1 []Table1\nvar table2 []Table2\n\nfunc main()\n\n    rows, err := db.Raw(\"select * from table1; select * from table2\").Rows()\n\n    err = db.ScanRows(rows, &table1)\n\n    if rows.NextResultSet() {\n        err = db.ScanRows(rows, &table2)\n    } else {\n        \/\/only one result set was returned, handle this case\n    }\n\n}<\/pre>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u4f7f\u7528 GORM \u5904\u7406 GO lang \u4e2d sql \u7684\u591a\u4e2a\u7ed3\u679c\u96c6\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/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-207562","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207562","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=207562"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207562\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}