Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vYAn1-00FC8h-1K for pgsql-general@arkaria.postgresql.org; Tue, 23 Dec 2025 22:23:36 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vYAn0-002RnC-0w for pgsql-general@arkaria.postgresql.org; Tue, 23 Dec 2025 22:23:35 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vYAmz-002Rn1-12 for pgsql-general@lists.postgresql.org; Tue, 23 Dec 2025 22:23:34 +0000 Received: from fout-a2-smtp.messagingengine.com ([103.168.172.145]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vYAmy-002FlL-1Y for pgsql-general@lists.postgresql.org; Tue, 23 Dec 2025 22:23:33 +0000 Received: from phl-compute-06.internal (phl-compute-06.internal [10.202.2.46]) by mailfout.phl.internal (Postfix) with ESMTP id A7126EC00BC; Tue, 23 Dec 2025 17:23:30 -0500 (EST) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-06.internal (MEProxy); Tue, 23 Dec 2025 17:23:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aklaver.com; h= cc:content-transfer-encoding:content-type:content-type:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm3; t=1766528610; x=1766615010; bh=QBLPKpQzIQnbV4IqyQqb191LwmztBW08q/0dhoyT3kk=; b= jItaPOJ0V5p/Lnh7CWr4rI3sxV3vH3XVd8nzlo4AORKESk4L3Fmmz/iuYi/L0CZb NlRbp2+bezkqdFY3WixB55t8xn8Dk83FCxEgMDPtZbZjF3ZpdMdLhZouM+oaKOYB vwbvBA1XLJwZ7fRWOuKHMyKwst4llGvRcoB/FNZojgjZ9/7eKvT9oIHYpl819sB4 hm8nTdrdw0fxhCcgifse5CuSbs5eVvkDGDXvgyTnALyuhF/Fhd82Fbu8/jSEYI63 c9bMpJntkc4AGY4OMBVwFAPi7voHRuAAbOSeSxtHwX0vsZvabCo1q8UJCnBZPs18 spSYWIKkzVp55Zb3xVtHRw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm1; t=1766528610; x=1766615010; bh=Q BLPKpQzIQnbV4IqyQqb191LwmztBW08q/0dhoyT3kk=; b=bh3vFnZOmgMTj1wAc 5DHZq7AkhkrmSTktspoEvcL9iRKWMe1s84lVWh8SWhmi8TI38CPT+dTwElcVv964 TWW+IsI8aBH77Az14UOzr1u0TJAjxEGeKbuV2FXb2J5wGAsvTr8lnI8W/nQLiSmg xCbWR5EvEFQeKHbmjTMigc12Jr2FE6JUCaCXUcIpFCHtEGx7Nl+4vtJUCqov4lvp EY3fh7BhK3lz/X0p8EU96gAVtFSdIbxlUz0TxjerT2kwVo0W5OQhDlJ/W4uj9jp+ s5UgKDbfp9JAKTzGE1xfxUXvpUKUm0ztH3DwrfiY858pARAksdj/Bav2Ac68DVzh QiZFA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgdeiuddtudcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpuffrtefokffrpgfnqfghnecuuegr ihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjug hrpefkffggfgfuvfhfhfgjtgfgsehtjeertddtvdejnecuhfhrohhmpeetughrihgrnhcu mfhlrghvvghruceorggurhhirghnrdhklhgrvhgvrhesrghklhgrvhgvrhdrtghomheqne cuggftrfgrthhtvghrnhepkeefheduvdejiefgieefjedtudduffelvdefleehfedtieff uefgvdekleegtddvnecuffhomhgrihhnpehpohhsthhgrhgvshhqlhdrohhrghenucevlh hushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrughrihgrnhdr khhlrghvvghrsegrkhhlrghvvghrrdgtohhmpdhnsggprhgtphhtthhopedvpdhmohguvg epshhmthhpohhuthdprhgtphhtthhopehikhhorhhothdtudesghhmrghilhdrtghomhdp rhgtphhtthhopehpghhsqhhlqdhgvghnvghrrghlsehlihhsthhsrdhpohhsthhgrhgvsh hqlhdrohhrgh X-ME-Proxy: Feedback-ID: i76984098:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 23 Dec 2025 17:23:30 -0500 (EST) Message-ID: <32f35529-ea7c-410a-a4f8-05eb9db698c6@aklaver.com> Date: Tue, 23 Dec 2025 14:23:29 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Case sensitivity To: Igor Korot , "pgsql-generallists.postgresql.org" References: Content-Language: en-US From: Adrian Klaver In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk 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 adrian.klaver@aklaver.com