pg_dispatch

基于 pg_cron 的异步 SQL 分发器

概览

扩展包名	版本	分类	许可证	语言
`pg_dispatch`	`0.1.5`	TIME	PostgreSQL	SQL

ID	扩展名	Bin	Lib	Load	Create	Trust	Reloc	模式
1100	`pg_dispatch`	否	否	否	是	否	否	-

相关扩展	`pgcrypto` `pg_cron` `pg_cron` `pg_task` `pgagent` `pg_later` `pg_dbms_job` `pg_background` `pg_durable` `pg_jobmon` `omni_worker`

Pure SQL extension; runtime also needs pgcrypto from contrib in addition to pg_cron.

版本

类型	仓库	版本	PG 大版本	包名	依赖
EXT	PIGSTY	`0.1.5`	1817161514	`pg_dispatch`	`pgcrypto`, `pg_cron`
RPM	PIGSTY	`0.1.5`	1817161514	`pg_dispatch_$v`	-
DEB	PIGSTY	`0.1.5`	1817161514	`postgresql-$v-pg-dispatch`	`postgresql-$v-cron`

OS / PG	PG18	PG17	PG16	PG15	PG14
el8.x86_64	PIGSTY 0.1.5 el8.x86_64.pg18 : pg_dispatch_18 pg_dispatch_18-0.1.5-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB	PIGSTY 0.1.5 el8.x86_64.pg17 : pg_dispatch_17 pg_dispatch_17-0.1.5-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB	PIGSTY 0.1.5 el8.x86_64.pg16 : pg_dispatch_16 pg_dispatch_16-0.1.5-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB	PIGSTY 0.1.5 el8.x86_64.pg15 : pg_dispatch_15 pg_dispatch_15-0.1.5-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB	PIGSTY 0.1.5 el8.x86_64.pg14 : pg_dispatch_14 pg_dispatch_14-0.1.5-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB
el8.aarch64	PIGSTY 0.1.5 el8.aarch64.pg18 : pg_dispatch_18 pg_dispatch_18-0.1.5-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB	PIGSTY 0.1.5 el8.aarch64.pg17 : pg_dispatch_17 pg_dispatch_17-0.1.5-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB	PIGSTY 0.1.5 el8.aarch64.pg16 : pg_dispatch_16 pg_dispatch_16-0.1.5-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB	PIGSTY 0.1.5 el8.aarch64.pg15 : pg_dispatch_15 pg_dispatch_15-0.1.5-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB	PIGSTY 0.1.5 el8.aarch64.pg14 : pg_dispatch_14 pg_dispatch_14-0.1.5-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB
el9.x86_64	PIGSTY 0.1.5 el9.x86_64.pg18 : pg_dispatch_18 pg_dispatch_18-0.1.5-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB	PIGSTY 0.1.5 el9.x86_64.pg17 : pg_dispatch_17 pg_dispatch_17-0.1.5-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB	PIGSTY 0.1.5 el9.x86_64.pg16 : pg_dispatch_16 pg_dispatch_16-0.1.5-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB	PIGSTY 0.1.5 el9.x86_64.pg15 : pg_dispatch_15 pg_dispatch_15-0.1.5-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB	PIGSTY 0.1.5 el9.x86_64.pg14 : pg_dispatch_14 pg_dispatch_14-0.1.5-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1.5 · 10.4KiB
el9.aarch64	PIGSTY 0.1.5 el9.aarch64.pg18 : pg_dispatch_18 pg_dispatch_18-0.1.5-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB	PIGSTY 0.1.5 el9.aarch64.pg17 : pg_dispatch_17 pg_dispatch_17-0.1.5-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB	PIGSTY 0.1.5 el9.aarch64.pg16 : pg_dispatch_16 pg_dispatch_16-0.1.5-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB	PIGSTY 0.1.5 el9.aarch64.pg15 : pg_dispatch_15 pg_dispatch_15-0.1.5-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB	PIGSTY 0.1.5 el9.aarch64.pg14 : pg_dispatch_14 pg_dispatch_14-0.1.5-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1.5 · 10.3KiB
el10.x86_64	PIGSTY 0.1.5 el10.x86_64.pg18 : pg_dispatch_18 pg_dispatch_18-0.1.5-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1.5 · 10.5KiB	PIGSTY 0.1.5 el10.x86_64.pg17 : pg_dispatch_17 pg_dispatch_17-0.1.5-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1.5 · 10.5KiB	PIGSTY 0.1.5 el10.x86_64.pg16 : pg_dispatch_16 pg_dispatch_16-0.1.5-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1.5 · 10.5KiB	PIGSTY 0.1.5 el10.x86_64.pg15 : pg_dispatch_15 pg_dispatch_15-0.1.5-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1.5 · 10.5KiB	PIGSTY 0.1.5 el10.x86_64.pg14 : pg_dispatch_14 pg_dispatch_14-0.1.5-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1.5 · 10.5KiB
el10.aarch64	PIGSTY 0.1.5 el10.aarch64.pg18 : pg_dispatch_18 pg_dispatch_18-0.1.5-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1.5 · 10.5KiB	PIGSTY 0.1.5 el10.aarch64.pg17 : pg_dispatch_17 pg_dispatch_17-0.1.5-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1.5 · 10.5KiB	PIGSTY 0.1.5 el10.aarch64.pg16 : pg_dispatch_16 pg_dispatch_16-0.1.5-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1.5 · 10.5KiB	PIGSTY 0.1.5 el10.aarch64.pg15 : pg_dispatch_15 pg_dispatch_15-0.1.5-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1.5 · 10.5KiB	PIGSTY 0.1.5 el10.aarch64.pg14 : pg_dispatch_14 pg_dispatch_14-0.1.5-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1.5 · 10.5KiB
d12.x86_64	PIGSTY 0.1.5 d12.x86_64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~bookworm_amd64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d12.x86_64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~bookworm_amd64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d12.x86_64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~bookworm_amd64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d12.x86_64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~bookworm_amd64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d12.x86_64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~bookworm_amd64.deb PIGSTY · 0.1.5 · 4.0KiB
d12.aarch64	PIGSTY 0.1.5 d12.aarch64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~bookworm_arm64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d12.aarch64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~bookworm_arm64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d12.aarch64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~bookworm_arm64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d12.aarch64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~bookworm_arm64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d12.aarch64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~bookworm_arm64.deb PIGSTY · 0.1.5 · 4.0KiB
d13.x86_64	PIGSTY 0.1.5 d13.x86_64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~trixie_amd64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d13.x86_64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~trixie_amd64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d13.x86_64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~trixie_amd64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d13.x86_64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~trixie_amd64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d13.x86_64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~trixie_amd64.deb PIGSTY · 0.1.5 · 4.0KiB
d13.aarch64	PIGSTY 0.1.5 d13.aarch64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~trixie_arm64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d13.aarch64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~trixie_arm64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d13.aarch64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~trixie_arm64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d13.aarch64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~trixie_arm64.deb PIGSTY · 0.1.5 · 4.0KiB	PIGSTY 0.1.5 d13.aarch64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~trixie_arm64.deb PIGSTY · 0.1.5 · 4.0KiB
u22.x86_64	PIGSTY 0.1.5 u22.x86_64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~jammy_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u22.x86_64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~jammy_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u22.x86_64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~jammy_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u22.x86_64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~jammy_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u22.x86_64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~jammy_amd64.deb PIGSTY · 0.1.5 · 3.9KiB
u22.aarch64	PIGSTY 0.1.5 u22.aarch64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~jammy_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u22.aarch64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~jammy_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u22.aarch64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~jammy_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u22.aarch64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~jammy_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u22.aarch64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~jammy_arm64.deb PIGSTY · 0.1.5 · 3.9KiB
u24.x86_64	PIGSTY 0.1.5 u24.x86_64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~noble_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u24.x86_64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~noble_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u24.x86_64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~noble_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u24.x86_64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~noble_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u24.x86_64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~noble_amd64.deb PIGSTY · 0.1.5 · 3.9KiB
u24.aarch64	PIGSTY 0.1.5 u24.aarch64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~noble_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u24.aarch64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~noble_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u24.aarch64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~noble_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u24.aarch64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~noble_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u24.aarch64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~noble_arm64.deb PIGSTY · 0.1.5 · 3.9KiB
u26.x86_64	PIGSTY 0.1.5 u26.x86_64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~resolute_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u26.x86_64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~resolute_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u26.x86_64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~resolute_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u26.x86_64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~resolute_amd64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u26.x86_64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~resolute_amd64.deb PIGSTY · 0.1.5 · 3.9KiB
u26.aarch64	PIGSTY 0.1.5 u26.aarch64.pg18 : postgresql-18-pg-dispatch postgresql-18-pg-dispatch_0.1.5-1PIGSTY~resolute_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u26.aarch64.pg17 : postgresql-17-pg-dispatch postgresql-17-pg-dispatch_0.1.5-1PIGSTY~resolute_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u26.aarch64.pg16 : postgresql-16-pg-dispatch postgresql-16-pg-dispatch_0.1.5-1PIGSTY~resolute_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u26.aarch64.pg15 : postgresql-15-pg-dispatch postgresql-15-pg-dispatch_0.1.5-1PIGSTY~resolute_arm64.deb PIGSTY · 0.1.5 · 3.9KiB	PIGSTY 0.1.5 u26.aarch64.pg14 : postgresql-14-pg-dispatch postgresql-14-pg-dispatch_0.1.5-1PIGSTY~resolute_arm64.deb PIGSTY · 0.1.5 · 3.9KiB

构建

您可以使用 pig build 命令构建 pg_dispatch 扩展的 RPM / DEB 包：

pig build pkg pg_dispatch         # 构建 RPM / DEB 包

安装

您可以直接安装 pg_dispatch 扩展包的预置二进制包，首先确保 PGDG 和 PIGSTY 仓库已经添加并启用：

pig repo add pgsql -u          # 添加仓库并更新缓存

使用 pig 或者是 apt/yum/dnf 安装扩展：

安装

pig install pg_dispatch;          # 当前活跃 PG 版本安装

pig

pig ext install -y pg_dispatch -v 18  # PG 18
pig ext install -y pg_dispatch -v 17  # PG 17
pig ext install -y pg_dispatch -v 16  # PG 16
pig ext install -y pg_dispatch -v 15  # PG 15
pig ext install -y pg_dispatch -v 14  # PG 14

dnf

dnf install -y pg_dispatch_18       # PG 18
dnf install -y pg_dispatch_17       # PG 17
dnf install -y pg_dispatch_16       # PG 16
dnf install -y pg_dispatch_15       # PG 15
dnf install -y pg_dispatch_14       # PG 14

apt

apt install -y postgresql-18-pg-dispatch   # PG 18
apt install -y postgresql-17-pg-dispatch   # PG 17
apt install -y postgresql-16-pg-dispatch   # PG 16
apt install -y postgresql-15-pg-dispatch   # PG 15
apt install -y postgresql-14-pg-dispatch   # PG 14

创建扩展：

CREATE EXTENSION pg_dispatch CASCADE;  -- 依赖: pgcrypto, pg_cron

用法

来源：README，database.dev page

pg_dispatch 是一个基于 pg_cron 的 TLE-compatible 异步 SQL dispatcher。它面向 RDS 或 Supabase 这类沙箱环境，用于把副作用操作延迟到调用者主事务之外执行。

依赖与安装

PostgreSQL 13+
pg_cron 1.5.0+
pgcrypto

SELECT dbdev.install(Snehil_Shah@pg_dispatch);
CREATE EXTENSION "Snehil_Shah@pg_dispatch";

该扩展会安装到 pgdispatch schema。

主要函数

SELECT pgdispatch.fire('SELECT pg_sleep(40);');
SELECT pgdispatch.snooze('SELECT pg_sleep(20);', '20 seconds');

pgdispatch.fire(command text)：将 SQL 放入队列并立即异步执行。
pgdispatch.snooze(command text, delay interval)：将 SQL 放入队列并延迟异步执行。

典型用法

官方 README 将 pg_dispatch 定位于 PL/pgSQL 或 trigger 驱动的工作流：前台 RPC 需要快速提交，而通知、分析更新或其他昂贵 SQL 则在稍后的独立事务中执行。

注意事项

除了 pg_cron 之外，运行时还依赖 pgcrypto。
delay 参数会被截断到秒级精度。
项目文档优先介绍 TLE/database.dev 安装方式；README 中也链接了手工 PGXN 安装方式。

pg_dispatch

概览

版本

构建

安装

用法

依赖与安装

主要函数

典型用法

注意事项

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