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From: Dominique Devienne <[email protected]>
To: 王 博 <[email protected]>
Cc: [email protected] <[email protected]>
Cc: 李 浩 <[email protected]>
Subject: Re: Request for official clarification on SQL parameter parsing changes in PostgreSQL 15 and 16
Date: Thu, 17 Apr 2025 11:47:16 +0200
Message-ID: <CAFCRh-_3XAW3c6385sk7RirOmYacJeadrcsVym2A3wA1TsyAUw@mail.gmail.com> (raw)
In-Reply-To: <TYCP286MB3620D4D19E3793CFA106CCBFB6BC2@TYCP286MB3620.JPNP286.PROD.OUTLOOK.COM>
References: <TYCP286MB3620D4D19E3793CFA106CCBFB6BC2@TYCP286MB3620.JPNP286.PROD.OUTLOOK.COM>

On Thu, Apr 17, 2025 at 11:13 AM 王　博 <[email protected]> wrote:
> Hello PostgreSQL Community,
> We have encountered unexpected SQL parsing errors during application upgrades from PostgreSQL 14 to 15 and 16, related to the use of JDBC-style parameter placeholders (`?`) in our legacy applications.

AFAIK, PostgreSQL itself only supports $1, $2, ... bind placeholders.
Thus I suspect it's your JDBC driver that adds support for ? style placeholders.
So look in the release notes for that, instead of PostgreSQL itself. --DD

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