Can I schedule PostgreSQL commands to automate RLS updates

Using `pg_cron`

1. Install `pg_cron`:
- Connect to your PostgreSQL database using a superuser account.
- Run the following command to install the `pg_cron` extension:

sql
     CREATE EXTENSION pg_cron;
     

2. Schedule a Job:
- Use the `cron.schedule` function to schedule a job. For example, to run a SQL command every minute:

sql
     SELECT cron.schedule('* * * * *', 'SELECT my_function();');
     

- Replace `my_function()` with the SQL command you want to execute.

3. Unschedule a Job:
- Use the `cron.unschedule` function to remove a scheduled job. Replace `jobid` with the ID of the job you want to unschedule:

sql
     SELECT cron.unschedule(jobid);
     

Using `pgAgent`

1. Install `pgAgent`:
- Install `pgAgent` on the machine where your PostgreSQL database is running.
- Connect to your PostgreSQL database using a client like `psql` or `pgAdmin`.

2. Create the `pgAgent` Extension:
- Run the following command to create the `pgAgent` extension:

sql
     CREATE EXTENSION pgagent;
     

3. Create a Job:
- Use SQL statements, stored procedures, or shell scripts to create a job.
- For example, to create a simple job to execute an SQL statement:

sql
     BEGIN
         PERFORM pg_agent.create_job(
             'my_job',
             'SELECT my_function();',
             'minute',
             1
         );
     END;
     

- Replace `my_function()` with the SQL command you want to execute.

4. Schedule the Job:
- Use the `pg_agent.schedule_job` function to schedule the job. For example, to run the job every minute:

sql
     BEGIN
         PERFORM pg_agent.schedule_job(
             'my_job',
             'minute',
             1
         );
     END;
     

5. Unschedule the Job:
- Use the `pg_agent.unschedule_job` function to remove the scheduled job. Replace `jobid` with the ID of the job you want to unschedule:

sql
     BEGIN
         PERFORM pg_agent.unschedule_job(jobid);
     END;
     

By using either `pg_cron` or `pgAgent`, you can automate RLS updates and ensure that your database remains secure and up-to-date without manual intervention[1][2][3].