There’s a bit of an escape hatch here: you can use “Procedures” in the server. As of this week’s release they are still in Beta (the documentation warns that the API may change in the future). They do allow you run expensive code, including HTTP requests, so that’s a good thing. From inside a procedure, you can open a transaction, which again acquires the global mutex and doesn’t allow any other concurrent writes nor reads to the database, so make sure you commit it very very quickly or the whole system will stall.
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5. Gateway 用 SessionKey 找到（或创建）对应的 Agent 会话
（二）在公共场所停放尸体或者因停放尸体影响他人正常生活、工作秩序，不听劝阻的。