{"id":207455,"date":"2025-07-08T10:55:40","date_gmt":"2025-07-08T02:55:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207455\/"},"modified":"2025-07-08T10:55:40","modified_gmt":"2025-07-08T02:55:40","slug":"sqlx-%e6%89%ab%e6%8f%8f%e7%bb%93%e6%9e%84%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207455\/","title":{"rendered":"SQLX \u626b\u63cf\u7ed3\u6784\u6570\u7ec4"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> SQLX \u626b\u63cf\u7ed3\u6784\u6570\u7ec4<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-22 19:03:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60Golang\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aSQLX \u626b\u63cf\u7ed3\u6784\u6570\u7ec4\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

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

\u6211\u6b63\u5728\u5c1d\u8bd5\u5b9e\u73b0\u4e00\u4e2a sql \u67e5\u8be2\uff0c\u8be5\u67e5\u8be2\u4ee5 jquery datatables \u671f\u671b\u7684\u65b9\u5f0f\u8fd4\u56de\u6570\u636e\uff0c\u540c\u65f6\u5141\u8bb8\u7528\u6237\u81ea\u5b9a\u4e49\u67e5\u8be2\uff08\u6211\u6b63\u5728\u8fdb\u884c\u5927\u91cf\u8f93\u5165\u9a8c\u8bc1\u4ee5\u786e\u4fdd\u6ca1\u6709\u4efb\u4f55 sql \u6ce8\u5165\uff09\u3002\u8be5\u67e5\u8be2\u5e94\u8be5\u6309 object_name \u548c\u7f16\u8f91\u5668 display_name \u8fc7\u6ee4\u6240\u6709\u7f16\u8f91\u3002\u7136\u540e\uff0c\u5728\u8fd9\u4e9b\u7f16\u8f91\u4e2d\uff0c\u5e94\u8be5\u6839\u636e\u6bcf\u4e2a\u5bf9\u8c61\u7684 perm_id (uid) \u83b7\u53d6\u6bcf\u4e2a\u5bf9\u8c61\u7684\u6700\u540e\u4e00\u6b21\u7f16\u8f91\u3002\u7136\u540e\u5b83\u5c1d\u8bd5\u5c06\u6240\u6709\u5185\u5bb9\u653e\u5165\u652f\u6301\u5206\u9875\u7684 jquery datatables \u53cb\u597d\u683c\u5f0f\u4e2d\u3002\u6211\u8ba4\u4e3a\u67e5\u8be2\u672c\u8eab\u6b63\u5728\u5de5\u4f5c\uff0c\u6211\u53ea\u662f\u4e0d\u786e\u5b9a sqlx \u662f\u5426\u652f\u6301 array_agg \u626b\u63cf\u5230\u7ed3\u6784\u4e2d\u3002\u5f53\u6211\u5c1d\u8bd5\u5c06\u5176\u626b\u63cf\u5230 datatableresponse \u7ed3\u6784\u4e2d\u65f6\uff0c\u51fa\u73b0\u6b64\u9519\u8bef\u3002 <\/p>\n

\u4e0d\u652f\u6301\u626b\u63cf\uff0c\u5c06 driver.value \u7c7b\u578b []uint8 \u5b58\u50a8\u5230 type \u4e2d *[]\u7f16\u8f91\u3002\u7f16\u8f91 <\/p>\n

type Edit struct {\n    Id                 *int            `db:\"id\" json:\"id,omitempty\"`\n    UserId             *int            `db:\"user_id\" json:\"user_id,omitempty\"`\n    PermId             *string         `db:\"perm_id\" json:\"perm_id,omitempty\"`\n    ObjectName         *string        `db:\"object_name,omitempty\"`\n    EditTypeId         *int            `db:\"edit_type_id\" json:\"edit_type_id,omitempty\"`\n    EditDate           *time.Time      `db:\"edit_date\" json:\"edit_date,omitempty\"`\n\n    DisplayName *string `db:\"display_name\" json:\"display_name,omitempty\"`\n}\n\ntype DataTableResponse struct {\n    Draw int `db:\"draw\" json:\"draw\"`\n    RecordsTotal int `db:\"records_total\" json:\"recordsTotal\"`\n    RecordsFiltered int `db:\"records_filtered\" json:\"recordsFiltered\"`\n    Data []Edit `db:\"data\" json:\"data\"`\n}\n\n\nresponse := []DataTableResponse{}\nerr = db.Select(&response,\n    fmt.Sprintf(`\n        SELECT DISTINCT ON (results.perm_id) %d as draw, array_agg((%s)) as data,COUNT(DISTINCT perm_id) as records_total,COUNT(DISTINCT perm_id) - count(results.*) as records_filtered\n        FROM (SELECT edit_metadata.*,user.display_name\n                FROM edit_metadata INNER JOIN user \n                ON edit_metadata.user_id = user.id \n                WHERE user.display_name ilike $1 AND edit_metadata.object_name ilike $2 \n                ORDER BY edit_metadata.edit_date ASC) \n        as results \n        GROUP BY results.perm_id,results.edit_date\n        ORDER BY results.perm_id,%s %s\n        LIMIT %s\n        OFFSET %s`,draw, requestedFields, sortBy, sortDir,length, start),\n    fmt.Sprintf(\"%%%s%%\", c.Query(\"display_name\")),\n    fmt.Sprintf(\"%%%s%%\", c.Query(\"object_name\")))\nif err != nil {\n    log.Fatal(err)\n}\nc.JSON(http.StatusOK, response)<\/pre>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
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\u6211\u5bf9\u5b57\u7b26\u4e32\u6570\u7ec4\u4e5f\u6709\u540c\u6837\u7684\u95ee\u9898\u3002\u6211\u53d1\u73b0 sqlx \u5c06 PostgreSQL \u7684\u6570\u7ec4\u626b\u63cf\u4e3a []uint8<\/p>\n
 \u4e2d\u7684\u5b57\u7b26\u4e32 <\/p>\n
\u6240\u4ee5\u4f60\u9700\u8981\u7f16\u5199\u81ea\u5df1\u7684\u626b\u63cf\u5668\/\u89e3\u6790\u5668\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aSQLX \u626b\u63cf\u7ed3\u6784\u6570\u7ec4\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-207455","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207455","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=207455"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207455\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}