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 1oYVZN-0004yf-Ts for pgsql-docs@arkaria.postgresql.org; Wed, 14 Sep 2022 16:49:02 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1oYVZL-0003mr-PW for pgsql-docs@arkaria.postgresql.org; Wed, 14 Sep 2022 16:48:59 +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 1oYVZL-0003jG-Dw for pgsql-docs@lists.postgresql.org; Wed, 14 Sep 2022 16:48:59 +0000 Received: from mail-ej1-x629.google.com ([2a00:1450:4864:20::629]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1oYVZB-0000mz-3J for pgsql-docs@lists.postgresql.org; Wed, 14 Sep 2022 16:48:58 +0000 Received: by mail-ej1-x629.google.com with SMTP id r18so36103328eja.11 for ; Wed, 14 Sep 2022 09:48:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec-at.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:user-agent:references :in-reply-to:date:to:from:subject:message-id:from:to:cc:subject:date; bh=Xf4tGpi+yqTSSxPOIe7nKgJzFUtiVgZ25GVv2LwsQBM=; b=vNWWPb/mgJ49ub2KEdStG56F8RPFNBNMms9w/L3cvAqQOOLNPlPW8o3MqFH55FGRo+ KE2uVHuxEl6ITWDfrzky3Y9kQFb/dKtNOtlP4g9FFDknJfZN9k8ANDnhltK02+JVgIkP 4YkqsDDvHDJ79aUx/u5kMH8w+lYnYU5fXfakm4S5C0E7YMe/kBJRQkVmIqg2JgPrOxTz Lyk0TmW2yXLFDn4kdmrInORwBQtke8apYDrTiJlHTg+BIfk1+nJ+2mWedaLQV/Wt91+T TNQTrOcGfGfgmOI7G3rDxMVwU0khvf1u/+rxxMvdJEp28qirCsm7L5hu0bJ8RiU737zE 6WAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:user-agent:references :in-reply-to:date:to:from:subject:message-id:x-gm-message-state:from :to:cc:subject:date; bh=Xf4tGpi+yqTSSxPOIe7nKgJzFUtiVgZ25GVv2LwsQBM=; b=JFnduchhIywW6vjsInH5Z/uavAZEPBcE7efravc7NZLxSvucfXFnaCMi4bDyW8HU1s CIK9AX+56DxF0SCWn4+Reuxuh7s4PUQ8wnOU0pFaEZslO82wPJxvGxGHwjF5HkJVr86D //0e8t/kkwTSWq4BPcP2PXNDhFUSllEsO+4IPeWxN0AgF8hiMWZmqcJ+rxJAtcDazFI5 kOym9xEL9V+McrR4h5aGE/62yj3oz669gMl8isOTlAeKJKCzVna2bX922+7WgZm2b1iX UaYTr9s52oohENbHUmOHaG073eLBB743DPD2TaibpsQ+ZzK6uAo/IQpQsLIwB6Gwgq3J 06yA== X-Gm-Message-State: ACgBeo0a1G1Q012x+llgqbJR2np6AypY9eDIG2cSA267kR9hemIJdEFv 4mGvpNN1gZjfQ3w9D35hciHLF4UOyD506w== X-Google-Smtp-Source: AA6agR4y3gAbsLl7dH20pOdLa1AND1qj0+20APDgv1MeuT4x1oTRuMnUSlZ7fakte4nqCrajc1xkEw== X-Received: by 2002:a17:907:7f91:b0:77f:c4c7:9155 with SMTP id qk17-20020a1709077f9100b0077fc4c79155mr7333411ejc.476.1663174128359; Wed, 14 Sep 2022 09:48:48 -0700 (PDT) Received: from localhost.localdomain (178-190-170-195.adsl.highway.telekom.at. [178.190.170.195]) by smtp.gmail.com with ESMTPSA id 12-20020a170906308c00b0077fbef08212sm3293026ejv.22.2022.09.14.09.48.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Sep 2022 09:48:47 -0700 (PDT) Message-ID: <41fe0ea52f9803649ae876d4d14b2b7ca89ffc06.camel@cybertec.at> Subject: Re: suggest about bpchar data type in the document From: Laurenz Albe To: yanliang lei , "pgsql-docs@lists.postgresql.org" Date: Wed, 14 Sep 2022 18:48:46 +0200 In-Reply-To: <120b3084.56b6.1833b5ffe4b.Coremail.msdnchina@163.com> References: <120b3084.56b6.1833b5ffe4b.Coremail.msdnchina@163.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 (3.42.4-2.fc35) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Wed, 2022-09-14 at 17:41 +0800, yanliang lei wrote: > I hope that: > >  in the  https://www.postgresql.org/docs/14/datatype-characterin.html ,It needs to be written clearly  “bpchar” data type, > > and in the above url, Only mentioned “blank padded” ,If someone does not know  this knowledge point(blank padded =bp),he/she  will make a detour in the study of  character datatype。 > > so,To make the document more friendly, I suggest that: in the  https://www.postgresql.org/docs/14/datatype-characterin.htm  ,It needs to be written clearly  “bpchar” data type。 +1 I think that adding "bpchar(n)" in table 8.4 would be a good thing. Yours, Laurenz Albe