PgQue 是一个零膨胀的 Postgres 事件队列，基于经典 PgQ 架构，一个 SQL 文件即可安装，pg_cron 负责调度。本文带你用 Python、Go、TypeScript、Ruby 四种官方多语言客户端连接 PgQue，完成发送消息、消费事件、确认批次的完整流程，并掌握角色授权、事务边界等关键细节。

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