send query in background

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send query in background

Franz Timmer

I have one pg function (a long running sql query), it is running few
minutes. I start it from webserver via PHP.

My question: Is there a possibility, that this function runs in
background. PG send back a immidiately return and do the work after this

like linux/bash commands with an ampersand "&" at the and of the line.
The user get a prompt and can prozess his work.

When the user push the button on the website to start the sql-script, he
can process his work.

I work with v11.8, but it is possible to update to v12.
(google found some answers, but these a 10 years old)