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[英]Rails - how to convert output of find_by_sql (array) to an ActiveRecord relation?
[英]Convert Rails SQL output to valid psql statements
活動作業在將作業放入隊列時會創建以下SQL。
INSERT INTO "delayed_jobs" ("queue", "handler", "run_at", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5) RETURNING "id" [["queue", "mailers"], ["handler", "--- !ruby/object:ActiveJob::QueueAdapters::DelayedJobAdapter::JobWrapper\njob_data:\n job_class: ActionMailer::DeliveryJob\n job_id: 189ce295-1da8-47f5-9933-1b5657554731\n queue_name: mailers\n arguments:\n - UserMailer\n - register_success\n - deliver_now\n - _aj_globalid: gid://hub/User/1\n - _aj_globalid: gid://hub/Order/294\n - token: 561e6309deb2b9.72817606\n number: 123\n expiration: '2025-10-14'\n"], ["run_at", "2015-10-14 14:13:30.140078"], ["created_at", "2015-10-14 14:13:30.140408"], ["updated_at", "2015-10-14 14:13:30.140408"]]
我將如何修改它以用作原始SQL查詢? 我以為Rails輸出應該是有效的sql,但出現錯誤
錯誤:“ [” LINE 1:... at“或附近的語法錯誤)值($ 1,$ 2,$ 3,$ 4,$ 5)返回” id“ [[” queue“,...
它正在使用占位符。 因此您需要將$ x替換為以下值
INSERT INTO "delayed_jobs" ("queue", "handler", "run_at", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5) RETURNING "id" [["queue", "mailers"], ["handler", "--- !ruby/object:ActiveJob::QueueAdapters::DelayedJobAdapter::JobWrapper\njob_data:\n job_class: ActionMailer::DeliveryJob\n job_id: 189ce295-1da8-47f5-9933-1b5657554731\n queue_name: mailers\n arguments:\n - UserMailer\n - register_success\n - deliver_now\n - _aj_globalid: gid://hub/User/1\n - _aj_globalid: gid://hub/Order/294\n - token: 561e6309deb2b9.72817606\n number: 123\n expiration: '2025-10-14'\n"], ["run_at", "2015-10-14 14:13:30.140078"], ["created_at", "2015-10-14 14:13:30.140408"], ["updated_at", "2015-10-14 14:13:30.140408"]]
會成為
INSERT INTO "delayed_jobs" ("queue", "handler", "run_at", "created_at", "updated_at")
VALUES (
'mailers',
'--- !ruby/object:ActiveJob::QueueAdapters::DelayedJobAdapter::JobWrapper\njob_data:\n job_class: ActionMailer::DeliveryJob\n job_id: 189ce295-1da8-47f5-9933-1b5657554731\n queue_name: mailers\n arguments:\n - UserMailer\n - register_success\n - deliver_now\n - _aj_globalid: gid://hub/User/1\n - _aj_globalid: gid://hub/Order/294\n - token: 561e6309deb2b9.72817606\n number: 123\n expiration: '2025-10-14'\n',
'2015-10-14 14:13:30.140078',
'2015-10-14 14:13:30.140408',
'2015-10-14 14:13:30.140408'
) RETURNING "id"
如果您有權訪問生成該數據庫調用的ActiveRecord
對象,則可以使用to_sql
方法獲取SQL查詢。
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