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 1vdPER-0008lq-0r for pgsql-bugs@arkaria.postgresql.org; Wed, 07 Jan 2026 08:49:32 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vdPEO-00D0W4-2q for pgsql-bugs@arkaria.postgresql.org; Wed, 07 Jan 2026 08:49:29 +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 1vdOdI-00CdCD-0g for pgsql-bugs@lists.postgresql.org; Wed, 07 Jan 2026 08:11:09 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vdOdG-004gFh-2X for pgsql-bugs@lists.postgresql.org; Wed, 07 Jan 2026 08:11:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Message-ID:Date:Reply-To:Cc:From:To:Subject: MIME-Version:Content-Type:Sender:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=bT+o6b+k5h7qPgMLrsOpScmY9EgH9EU/dnh3qONUqhM=; b=21AMavPwcivE7femK8NtP67++u Cp+ZZZIGFlVYUsjyUUUia5bAqtsCf3zwdR/6WPPEnPo+wShex+W0zdLtSD+X1CBQ+EOmlpnDVVWSt m8stL4qWPTIPwlfphR3JT1VyOhsXu1NESwuTprOBaapxAnm9yzDe8/L1qTDKvV2BuzNhPmGaCtODV aZRB2KK1i18kq1+xO7cQOhdnXvfbdbDZGTlvIYDCWQZhybw8M6n1ucEMyEtBnCgQljWqyA5WtZKDT dhmzXZDJKRahFGRi1230/OKYefv6DKEtuuCSM0iyDTbIxTn43weETksXHWypuOJ2PKbvfEJOScoPL TZIEv7yw==; Received: from wrigleys.postgresql.org ([2a02:16a8:dc51::60]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vdOdF-00DifR-2g for pgsql-bugs@lists.postgresql.org; Wed, 07 Jan 2026 08:11:06 +0000 Received: from localhost ([127.0.0.1] helo=wrigleys.postgresql.org) by wrigleys.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vdOdC-005grc-2h for pgsql-bugs@lists.postgresql.org; Wed, 07 Jan 2026 08:11:03 +0000 Content-Type: multipart/mixed; boundary="===============1627602907324213894==" MIME-Version: 1.0 Subject: BUG #19372: Scan operator maybe output unnecessary columns to the upper-layer operators To: pgsql-bugs@lists.postgresql.org From: PG Bug reporting form Cc: yaojia_0809@163.com Reply-To: yaojia_0809@163.com, pgsql-bugs@lists.postgresql.org Date: Wed, 07 Jan 2026 08:11:02 +0000 Message-ID: <19372-4692c7e7044c10ef@postgresql.org> X-Auto-Response-Suppress: All Auto-Submitted: auto-generated List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============1627602907324213894== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBidWcgaGFzIGJlZW4gbG9nZ2VkIG9uIHRoZSB3ZWJzaXRlOgoKQnVnIHJl ZmVyZW5jZTogICAgICAxOTM3MgpMb2dnZWQgYnk6ICAgICAgICAgIHlhbyBqaWEKRW1haWwgYWRk cmVzczogICAgICB5YW9qaWFfMDgwOUAxNjMuY29tClBvc3RncmVTUUwgdmVyc2lvbjogMTguMApP cGVyYXRpbmcgc3lzdGVtOiAgIGxpbnV4ICBjZW50b3MKRGVzY3JpcHRpb246ICAgICAgICAKClRo ZSBzY2FuIG9wZXJhdG9yIG1heWJlIG91dHB1dCB1bm5lY2Vzc2FyeSBjb2x1bW5zIHRvIHRoZSB1 cHBlci1sYXllcgpvcGVyYXRvcnMuIFRoaXMgc2VlbXMgbGlrZSByZWR1bmRhbnQgd29yayBiZWNh dXNlIHRoZSB1cHBlci1sYXllciBvcGVyYXRvcnMKZG9uJ3QgbmVlZCB0aGVzZSBjb2x1bW4gZGF0 YSBhdCBhbGwuIFRoaXMgdW5kb3VidGVkbHkgaW5jcmVhc2VzIGV4ZWN1dGlvbgpvdmVyaGVhZC4K SXMgdGhpcyBiZWhhdmlvciBpbnRlbnRpb25hbGx5IGRlc2lnbmVkIHRoaXMgd2F5LCBvciBpcyBp dCBhbiB1bmludGVuZGVkCnNpZGUgZWZmZWN0PyBTaG91bGQgdGhlIHVubmVjZXNzYXJ5IGNvbHVt biBvdXRwdXQgYmUgZWxpbWluYXRlZD8KCkhlcmUgaXMgYSBzcGVjaWZpYyBleGFtcGxl77yaY29s dW1ucyBbam5hbWUsIGMsIGQsIGVdIGFyZSB1c2VsZXNzIGZvciBncm91cAphbmQgZmluYWwgb3V0 cHV0LCBidXQgdGhleSBhcmUgaW4gc2Vxc2NhbidzIG91dHB1dApwb3N0Z3Jlcz0jIGNyZWF0ZSB0 YWJsZSBoYXNoX2hhc2hfamFkZTIyIChoamlkIGludCxyamlkIGludCxqbmFtZSB2YXJjaGFyLCBj CnZhcmNoYXIsIGQgdmFyY2hhciwgZSB2YXJjaGFyKTsKQ1JFQVRFIFRBQkxFCnBvc3RncmVzPSMg ZXhwbGFpbiB2ZXJib3NlIHNlbGVjdCBtaW4oaGppZCkgZnJvbSBoYXNoX2hhc2hfamFkZTIyIGdy b3VwIGJ5CnJqaWQ7CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgUVVFUlkgUExB TgotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQogSGFzaEFnZ3JlZ2F0ZSAgKGNvc3Q9MTcuMzUuLjE5 LjM1IHJvd3M9MjAwIHdpZHRoPTgpCiAgIE91dHB1dDogbWluKGhqaWQpLCByamlkCiAgIEdyb3Vw IEtleTogaGFzaF9oYXNoX2phZGUyMi5yamlkCiAgIC0+ICBTZXEgU2NhbiBvbiBwdWJsaWMuaGFz aF9oYXNoX2phZGUyMiAgKGNvc3Q9MC4wMC4uMTQuOTAgcm93cz00OTAKd2lkdGg9OCkKICAgICAg ICAgT3V0cHV0OiBoamlkLCByamlkLCBqbmFtZSwgYywgZCwgZQoK --===============1627602907324213894==--