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From: Paul Austin <[email protected]>
To: [email protected] <[email protected]>
Subject: Re: Extend CREATE POLICY to add IF EXISTS
Date: Mon, 20 Oct 2025 22:19:12 +0000
Message-ID: <CWXP265MB5009813E2DAA4D48F8C4A9F4F7F5A@CWXP265MB5009.GBRP265.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <[email protected]>
References: <CWXP265MB500957DD1918490CD4AB439EF7F5A@CWXP265MB5009.GBRP265.PROD.OUTLOOK.COM>
	<CWXP265MB500928C799DB70B9A6EDB4D4F7F5A@CWXP265MB5009.GBRP265.PROD.OUTLOOK.COM>
	<[email protected]>

Adrian,

The drop policy IF EXISTS does work.

But it would be nice to have the IF NOT EXISTS on CREATE POLICY so I don't need to do a drop and create.

________________________________
From: Adrian Klaver <[email protected]>
Sent: October 20, 2025 14:51
To: Paul Austin <[email protected]>; [email protected] <[email protected]>
Subject: Re: Extend CREATE POLICY to add IF EXISTS

On 10/20/25 14:49, Paul Austin wrote:
> I forgot DROP POLICY already has IF EXISTS

I take it that works for you?

>
> *From:*Paul Austin <[email protected]>
> *Sent:* October 20, 2025 2:46 PM
> *To:* [email protected]
> *Subject:* Extend CREATE POLICY to add IF EXISTS
>
> Many (but not all) DDL statements use the pattern IF EXISTS or IF NOT
> EXISTS. This is really useful if you want to create a re-start-able data
> model update script without needing to have PL/pgSQL blocks that has
> checks to see if it exists.
>
> An example of a statement that doesn’t implement this pattern in the
> CREATE POLICY statement.
>
> Is there a plan to add this pattern to the rest of the DDL statements?
> Or could it be added to the CREATE/DROP POLICY statements?
>
> Thanks,
>
> Paul
>


--
Adrian Klaver
[email protected]

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