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From: helloJosh (@helloJosh) <[email protected]>
To: pgjdbc/pgjdbc <[email protected]>
Subject: Re: [pgjdbc/pgjdbc] PR #3870: feat: Add INFO log when fetchSize is ignored under autocommit=true
Date: Tue, 25 Nov 2025 14:10:05 +0000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

First, I also thought this could be addressed in Spring Batch. But the difficulty is that Spring would have to apply the same logic consistently across all other JDBC-based components as well. That's why I ended up contributing an update to the Spring Batch documentation instead.

Also, I think Spring can't fully detect or explain this behavior. Because fetchSize and server-side cursor is determined by the JDBC driver.

In my view pgjdbc is the best place to provide a precise diagnostic signal when fetchSize > 0 is combined with autocommit=true. 

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