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From: vlsi (@vlsi) <[email protected]>
To: pgjdbc/pgjdbc <[email protected]>
Subject: Re: [pgjdbc/pgjdbc] PR #3062: feat: type cache rework, codec API, and composite-type round-trip
Date: Thu, 14 May 2026 10:00:59 +0000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

> Could it be done without Caffeine? Yes — a plain ConcurrentHashMap with the get() + putIfAbsent() pattern (which the spec already uses for fieldsByOid) would work

ConcurrentHashMap does not support eviction of unused entries, and we do require it.

> The tradeoff is ~300KB added to the shaded JAR

We can reduce the classes and include only those that are needed for pgjdbc. I'm sure it would be way less than 300KiB overhead.

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