Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q9ZOP-0002mV-5n for pgsql-admin@arkaria.postgresql.org; Wed, 14 Jun 2023 22:55:09 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1q9ZON-0004T4-1J for pgsql-admin@arkaria.postgresql.org; Wed, 14 Jun 2023 22:55:07 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q9ZOM-0004Su-ML for pgsql-admin@lists.postgresql.org; Wed, 14 Jun 2023 22:55:06 +0000 Received: from mailout.easymail.ca ([64.68.200.34]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1q9ZOJ-002Pv9-CO for pgsql-admin@lists.postgresql.org; Wed, 14 Jun 2023 22:55:05 +0000 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id DD6B261472; Wed, 14 Jun 2023 22:55:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elevated-dev.com; s=easymail; t=1686783301; bh=u8t/zjSPNXlsfE+L/QZ1JWPOjMwM6rLd8IepKhWd11I=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=XIlcCHuSnZEAuwwN2MIQ4Wbl8aTmLnujHXmevlWAKbmTg6DIA6zL61HzX0DZ15EhZ qgrawPwWnuNEAsaUT5iYX9zj64kqld3exenDtSlQ2VdZizfWF5s3ZtrKrMxIY0nGGj 5fr7TXkmstcGq129EIv85yQqkkn3PLUL6+44gQKbS6E654kNoLVAorXXxMzkft7a9F Tprwu4l5ULE6pcgRmsYIgyMQKebw0VqIq1gQ9+3tApP4GSLDOkp88X7+qekBGM/hPn EZezYuKU1TLonYeblr625p2LEub1eDMWtyqPH0D9tgSu/dWjMe3VDy2OZVbj6sdsQz X6cNhcCboG1DQ== X-Virus-Scanned: Debian amavisd-new at emo09-pco.easydns.vpn Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo09-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZWSZgpqF92tk; Wed, 14 Jun 2023 22:55:01 +0000 (UTC) Received: from smtpclient.apple (unknown [165.140.184.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mailout.easymail.ca (Postfix) with ESMTPSA id 6B13E61459; Wed, 14 Jun 2023 22:55:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elevated-dev.com; s=easymail; t=1686783301; bh=u8t/zjSPNXlsfE+L/QZ1JWPOjMwM6rLd8IepKhWd11I=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=XIlcCHuSnZEAuwwN2MIQ4Wbl8aTmLnujHXmevlWAKbmTg6DIA6zL61HzX0DZ15EhZ qgrawPwWnuNEAsaUT5iYX9zj64kqld3exenDtSlQ2VdZizfWF5s3ZtrKrMxIY0nGGj 5fr7TXkmstcGq129EIv85yQqkkn3PLUL6+44gQKbS6E654kNoLVAorXXxMzkft7a9F Tprwu4l5ULE6pcgRmsYIgyMQKebw0VqIq1gQ9+3tApP4GSLDOkp88X7+qekBGM/hPn EZezYuKU1TLonYeblr625p2LEub1eDMWtyqPH0D9tgSu/dWjMe3VDy2OZVbj6sdsQz X6cNhcCboG1DQ== Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.600.7\)) Subject: Re: The same result for with SPACE and without SPACE From: Scott Ribe In-Reply-To: Date: Wed, 14 Jun 2023 16:54:50 -0600 Cc: "pgsql-admin@lists.postgresql.org" Content-Transfer-Encoding: quoted-printable Message-Id: References: To: M Sarwar X-Mailer: Apple Mail (2.3731.600.7) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk One more followup comment: CHAR is rather an archaic vestige, from a = time when fixed-length vs variable-length might measurably improve = performance somewhere, or removing the requirement to store a length = with every instance might help with space requirements. There is really = almost no anymore to ever use it for fixed length strings. There is *NO* = good reason that I know of to ever use it for values which are not = actually fixed-length, that is assuredly a mistake.=