Re: Determine server version from psql script

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Igor Korot <ikorot01(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>, "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: Determine server version from psql script
Date: 2025-03-23 17:53:04
Message-ID: CAKFQuwb6vf1L2O8X_6Qu2VNq9iUhCjbXTc=51702h7yo4dH=8w@mail.gmail.com
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On Sunday, March 23, 2025, David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>
wrote:

> On Sunday, March 23, 2025, Igor Korot <ikorot01(at)gmail(dot)com> wrote:
>
>>
>> 2. Is there a way to do CREATE TRIGGER IF NOT EXIST for the earlier
>> version?
>>
>
> No. You have to drop the trigger if it does exist and then create the new
> one.
>

Well, you can always query the catalogs directly to answer the question
“does this trigger exist”.

David J.

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