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From: Adrian Klaver <[email protected]>
To: Igor Korot <[email protected]>
To: pgsql-generallists.postgresql.org <[email protected]>
Subject: Re: Case sensitivity
Date: Tue, 23 Dec 2025 14:23:29 -0800
Message-ID: <[email protected]> (raw)
In-Reply-To: <CA+FnnTy89PjtGPszFiQvc-Eq9-ac2mVq0kkpkxRTkBQsNajWZg@mail.gmail.com>
References: <CA+FnnTy89PjtGPszFiQvc-Eq9-ac2mVq0kkpkxRTkBQsNajWZg@mail.gmail.com>

On 12/23/25 14:08, Igor Korot wrote:
> Hi, ALL,
> In the https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-PARAMKEYWORDS,
> there is no indication whether those values are case sensitive or not.

Easy enough to test:

psql postgresql://aklaver@localhost/test

Null display is "NULL".
psql (18.1 (Ubuntu 18.1-1.pgdg22.04+2), server 17.7 (Ubuntu 
17.7-3.pgdg22.04+1))
SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, 
compression: off, ALPN: postgresql)
Type "help" for help.

test=>


VS

psql postgresql://aklaver@localhost/TEST

psql: error: connection to server at "localhost" (127.0.0.1), port 5432 
failed: FATAL:  database "TEST" does not exist
> 
> Thank you,
> 
> 


-- 
Adrian Klaver
[email protected]

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