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From: Tom Lane <[email protected]>
To: [email protected]
Cc: [email protected]
Subject: Re: PL/Tcl - examples not working
Date: Fri, 09 Apr 2021 07:33:51 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

PG Doc comments form <[email protected]> writes:
> Example on this page is not working
> https://www.postgresql.org/docs/13/pltcl-trigger.html
> Gives ERROR:  bind message supplies 1 parameters, but prepared statement ""
> requires 0

Works fine for me, when copied-and-pasted into psql.

The error message you quote looks a bit like whatever client-side
code you're using has decided that the $1 references in the function
body are query parameters.  They are not.  The function body is a
dollar-quoted string literal and should be sent unmodified.

			regards, tom lane

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