pg_later

Run queries now and get results later

Overview

PackageVersionCategoryLicenseLanguage
pg_later0.4.0TIMEPostgreSQLRust
IDExtensionBinLibLoadCreateTrustRelocSchema
1090pg_laterNoYesNoYesNoNopglater
Relatedpgmq pg_cron pg_task pg_background timescaledb timescaledb_toolkit timeseries periods temporal_tables

Version

TypeRepoVersionPG VerPackageDeps
EXTPIGSTY0.4.01817161514pg_laterpgmq
RPMPIGSTY0.4.01817161514pg_later_$vpgmq_$v
DEBPIGSTY0.4.01817161514postgresql-$v-pg-laterpostgresql-$v-pgmq
OS / PGPG18PG17PG16PG15PG14
el8.x86_64
el8.aarch64
el9.x86_64
el9.aarch64
el10.x86_64
el10.aarch64
d12.x86_64
d12.aarch64
d13.x86_64
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
d13.aarch64
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
u22.x86_64
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
u22.aarch64
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
u24.x86_64
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
u24.aarch64
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0
PIGSTY 0.4.0

Build

You can build the RPM / DEB packages for pg_later using pig build:

pig build pkg pg_later         # build RPM / DEB packages

Install

You can install pg_later directly. First, make sure the PGDG and PIGSTY repositories are added and enabled:

pig repo add pgsql -u          # Add repo and update cache

Install the extension using pig or apt/yum/dnf:

pig install pg_later;          # Install for current active PG version
pig ext install -y pg_later -v 18  # PG 18
pig ext install -y pg_later -v 17  # PG 17
pig ext install -y pg_later -v 16  # PG 16
pig ext install -y pg_later -v 15  # PG 15
pig ext install -y pg_later -v 14  # PG 14
dnf install -y pg_later_18       # PG 18
dnf install -y pg_later_17       # PG 17
dnf install -y pg_later_16       # PG 16
dnf install -y pg_later_15       # PG 15
dnf install -y pg_later_14       # PG 14
apt install -y postgresql-18-pg-later   # PG 18
apt install -y postgresql-17-pg-later   # PG 17
apt install -y postgresql-16-pg-later   # PG 16
apt install -y postgresql-15-pg-later   # PG 15
apt install -y postgresql-14-pg-later   # PG 14

Create Extension:

CREATE EXTENSION pg_later CASCADE;  -- requires: pgmq

Usage

pg_later: Execute SQL now and get the results later

A PostgreSQL extension to execute queries asynchronously. Built on pgmq.

Getting Started

Initialize the extension’s backend:

CREATE EXTENSION pg_later CASCADE;
SELECT pglater.init();

Execute a SQL query now:

SELECT pglater.exec(
  'SELECT * FROM pg_available_extensions ORDER BY name LIMIT 2'
) AS job_id;
 job_id
--------
     1

Come back at some later time, and retrieve the results by providing the job id:

SELECT pglater.fetch_results(1);
{
  "query": "select * from pg_available_extensions order by name limit 2",
  "job_id": 1,
  "result": [
    {
      "name": "adminpack",
      "comment": "administrative functions for PostgreSQL",
      "default_version": "2.1",
      "installed_version": null
    },
    {
      "name": "amcheck",
      "comment": "functions for verifying relation integrity",
      "default_version": "1.3",
      "installed_version": null
    }
  ],
  "status": "success"
}

Last Modified 2026-03-12: add pg extension catalog (95749bf)