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 1we8zY-004aqA-0J for pgsql-hackers@arkaria.postgresql.org; Mon, 29 Jun 2026 10:13:28 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1we8zW-002W1I-2G for pgsql-hackers@arkaria.postgresql.org; Mon, 29 Jun 2026 10:13:26 +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 1we8zV-002W15-25 for pgsql-hackers@lists.postgresql.org; Mon, 29 Jun 2026 10:13:26 +0000 Received: from m16.mail.126.com ([117.135.210.7]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1we8zJ-00000000k0l-2eKG for pgsql-hackers@postgresql.org; Mon, 29 Jun 2026 10:13:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=VD5FUDydJZTEFvsA1ySnTC11KuAunrhyZU2aZoioUp4=; b=h 1uf05BTHfwVpfiLq9JE1y1SfaAM5lUEJnput89VXCYKAR+sGZwCWQepovGjSgztX bOrzUvsiY33ZMTj39bLCIkZ/XuXnYI4nRuVjFbORQrB1GCP50J84pC5dLhyOthWg kKdoVbcG6fP0L/PwQly1cuhQ2Z/Degqs31UUg82lEs= Received: from jiezhilove$126.com ( [124.133.18.218] ) by ajax-webmail-wmsvr-41-104 (Coremail) ; Mon, 29 Jun 2026 18:13:02 +0800 (CST) X-Originating-IP: [124.133.18.218] Date: Mon, 29 Jun 2026 18:13:02 +0800 (CST) From: "Yilin Zhang" To: "jian he" Cc: PostgreSQL-development Subject: Re:Re: COPY FROM with RLS X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 126com In-Reply-To: References: X-NTES-SC: AL_Qu2TAPuZuEEj5CKZZ+kfm0cUheg9WMW1s/0h2I9RP51wjDjj5gkqdn1fGVXr+dmEGRmWlRa3UANk7ulYWq5HVKw7A6djTFND/OL2rJDlm198Uw== Content-Type: multipart/alternative; boundary="----=_Part_126238_749041088.1782727982219" MIME-Version: 1.0 Message-ID: <5a0cf3f1.83bb.19f12de3c8b.Coremail.jiezhilove@126.com> X-Coremail-Locale: zh_CN X-CM-TRANSID: aCkvCgDXX0UuRUJqEyYUAA--.23839W X-CM-SenderInfo: hmlh6xxlor4va6rslhhfrp/xtbBpg6HrGpCRS4FtwAA3y X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk ------=_Part_126238_749041088.1782727982219 Content-Type: text/plain; charset=GBK Content-Transfer-Encoding: base64 QXQgMjAyNi0wNS0xMCAxNDoyMzoyNiwgImppYW4gaGUiIDxqaWFuLnVuaXZlcnNhbGl0eUBnbWFp bC5jb20+IHdyb3RlOgo+SGkuIEkgaW1wbGVtZW50ZWQgYSBoYWNrIHRvIG1ha2UgaXQgd29yayB3 aXRoIFJMUyBwb2xpY2llcyB0aGF0Cj5jb250YWluIHN1YnF1ZXJpZXM7IEknbSBub3Qgc3VyZSBo b3cgdmFsaWQgaXQgaXMuCj4KPklGICAoY2hlY2tfZW5hYmxlX3JscyhSZWxhdGlvbkdldFJlbGlk KGNzdGF0ZS0+cmVsKSwgSW52YWxpZE9pZCwKPmZhbHNlKSA9PSBSTFNfRU5BQkxFRCkKPmlzIHRy dWUsIHRoZW4gd2UgY29uc3RydWN0IGEgZHVtbXkgcXVlcnkgc3RyaW5nOgo+Cj5JTlNFUlQgSU5U TyAiJXMiLiIlcyIgREVGQVVMVCBWQUxVRVMKPgo+KHdoZXJlICVzLiVzIGlzIHJlcGxhY2VkIGJ5 IHRoZSBzY2hlbWEtcXVhbGlmaWVkIHJlbGF0aW9uIG5hbWUpIGFuZAo+dGhlbiBydW4gaXQgdGhy b3VnaCB0aGUgZm9sbG93aW5nIHBpcGVsaW5lOgo+cGdfYW5hbHl6ZV9hbmRfcmV3cml0ZV9maXhl ZHBhcmFtcygpCj5wZ19wbGFuX3F1ZXJ5KCkKPkNyZWF0ZVF1ZXJ5RGVzYygpCj5FeGVjdXRvclN0 YXJ0KCkKPgo+T2J2aW91c2x5LCBFeGVjdXRvclJ1bigpIGNhbm5vdCBiZSB1c2VkIGJlY2F1c2Ug dGhlIGRhdGEgc291cmNlIGZvciBDT1BZIEZST00gaXMKPmFuIGV4dGVybmFsIGZpbGUgcmF0aGVy IHRoYW4gYSBub3JtYWwgcXVlcnkgZXhlY3V0aW9uLgo+Cj5UaGUgbWFpbiBoYWNrIGlzIHRvIGJ5 cGFzcyBFeGVjdXRvclJ1bigpIGNvbXBsZXRlbHkgYW5kIG9ubHkgdXNlIEV4ZWN1dG9yU3RhcnQo KQo+dG8gaW5pdGlhbGl6ZSB0aGUgcmVxdWlyZWQgZXhlY3V0b3Igc3RydWN0dXJlcyAoRVN0YXRl LCBQbGFuU3RhdGUsCj5SZXN1bHRSZWxJbmZvLCBldGMuKSBmb3IgRXhlY1dpdGhDaGVja09wdGlv bnMgKHdoaWNoIGlzIHBhcnQgb2YKPkV4ZWN1dG9yUnVuIG5vcm1hbGx5KS4KPgo+SW4gRG9Db3B5 IHdlIGRpZCBjb252ZXJ0aW5nIENPUFkgKFJFTCkgVE8sdG8gYSBTZWxlY3RTdG10ICB3aGVuIFJF TCBoYXZlIFJMUy4KCkhpLCBJJ3ZlIGdvbmUgdGhyb3VnaCB5b3VyIHYyIHBhdGNoIGFuZCB0aGVy ZaGvcyBhbiBpc3N1ZSBJoa9kIGxpa2UgdG8gcG9pbnQgb3V0LgpJbiBzcmMvdGVzdC9yZWdyZXNz L2V4cGVjdGVkL3Jvd3NlY3VyaXR5Lm91dDoKCgorLS0gQ09QWSBGUk9NIHNob3VsZCBhbHNvIGFw cGx5IElOU0VSVCBDSEVDSyBwb2xpY3kgY2xhdXNlCitDT1BZIHJsc190ZXN0X3RndCBGUk9NIFNU RElOIFdJVEggKERFTElNSVRFUiAnLCcpOworRVJST1I6ICBtaXNzaW5nIGRhdGEgZm9yIGNvbHVt biAiYyIKK0NPTlRFWFQ6ICBDT1BZIHJsc190ZXN0X3RndCwgbGluZSAxOiAiMSx0Z3QgYSIKCgpU aGlzICJtaXNzaW5nIGRhdGEgZm9yIGNvbHVtbiBjIiBlcnJvciBpcyBhY3R1YWxseSBhIENPUFkg Zm9ybWF0dGluZyBlcnJvciwgbm90IGFuIFJMUyBwb2xpY3kgdmlvbGF0aW9uLgoKCgoKQmVzdCBy ZWdhcmRzLAoKLS0KCllpbGluIFpoYW5nCgoKCg== ------=_Part_126238_749041088.1782727982219 Content-Type: text/html; charset=GBK Content-Transfer-Encoding: base64 PGRpdiBkYXRhLW50ZXM9Im50ZXNfbWFpbF9ib2R5X3Jvb3QiIHN0eWxlPSJsaW5lLWhlaWdodDox Ljc7Y29sb3I6IzAwMDAwMDtmb250LXNpemU6MTRweDtmb250LWZhbWlseTpBcmlhbCI+PGRpdiBp ZD0ic3BuRWRpdG9yQ29udGVudCI+PGRpdiBzdHlsZT0ibWFyZ2luOiAwOyI+QXQgMjAyNi0wNS0x MCAxNDoyMzoyNiwgImppYW4gaGUiICZsdDtqaWFuLnVuaXZlcnNhbGl0eUBnbWFpbC5jb20mZ3Q7 IHdyb3RlOjwvZGl2PjwvZGl2PjxwcmU+Jmd0O0hpLiBJIGltcGxlbWVudGVkIGEgaGFjayB0byBt YWtlIGl0IHdvcmsgd2l0aCBSTFMgcG9saWNpZXMgdGhhdAomZ3Q7Y29udGFpbiBzdWJxdWVyaWVz OyBJJ20gbm90IHN1cmUgaG93IHZhbGlkIGl0IGlzLgomZ3Q7CiZndDtJRiAgKGNoZWNrX2VuYWJs ZV9ybHMoUmVsYXRpb25HZXRSZWxpZChjc3RhdGUtJmd0O3JlbCksIEludmFsaWRPaWQsCiZndDtm YWxzZSkgPT0gUkxTX0VOQUJMRUQpCiZndDtpcyB0cnVlLCB0aGVuIHdlIGNvbnN0cnVjdCBhIGR1 bW15IHF1ZXJ5IHN0cmluZzoKJmd0OwomZ3Q7SU5TRVJUIElOVE8gIiVzIi4iJXMiIERFRkFVTFQg VkFMVUVTCiZndDsKJmd0Oyh3aGVyZSAlcy4lcyBpcyByZXBsYWNlZCBieSB0aGUgc2NoZW1hLXF1 YWxpZmllZCByZWxhdGlvbiBuYW1lKSBhbmQKJmd0O3RoZW4gcnVuIGl0IHRocm91Z2ggdGhlIGZv bGxvd2luZyBwaXBlbGluZToKJmd0O3BnX2FuYWx5emVfYW5kX3Jld3JpdGVfZml4ZWRwYXJhbXMo KQomZ3Q7cGdfcGxhbl9xdWVyeSgpCiZndDtDcmVhdGVRdWVyeURlc2MoKQomZ3Q7RXhlY3V0b3JT dGFydCgpCiZndDsKJmd0O09idmlvdXNseSwgRXhlY3V0b3JSdW4oKSBjYW5ub3QgYmUgdXNlZCBi ZWNhdXNlIHRoZSBkYXRhIHNvdXJjZSBmb3IgQ09QWSBGUk9NIGlzCiZndDthbiBleHRlcm5hbCBm aWxlIHJhdGhlciB0aGFuIGEgbm9ybWFsIHF1ZXJ5IGV4ZWN1dGlvbi4KJmd0OwomZ3Q7VGhlIG1h aW4gaGFjayBpcyB0byBieXBhc3MgRXhlY3V0b3JSdW4oKSBjb21wbGV0ZWx5IGFuZCBvbmx5IHVz ZSBFeGVjdXRvclN0YXJ0KCkKJmd0O3RvIGluaXRpYWxpemUgdGhlIHJlcXVpcmVkIGV4ZWN1dG9y IHN0cnVjdHVyZXMgKEVTdGF0ZSwgUGxhblN0YXRlLAomZ3Q7UmVzdWx0UmVsSW5mbywgZXRjLikg Zm9yIEV4ZWNXaXRoQ2hlY2tPcHRpb25zICh3aGljaCBpcyBwYXJ0IG9mCiZndDtFeGVjdXRvclJ1 biBub3JtYWxseSkuCiZndDsKJmd0O0luIERvQ29weSB3ZSBkaWQgY29udmVydGluZyBDT1BZIChS RUwpIFRPLHRvIGEgU2VsZWN0U3RtdCAgd2hlbiBSRUwgaGF2ZSBSTFMuCjxkaXY+CjwvZGl2Pjxk aXY+SGksIEkndmUgZ29uZSB0aHJvdWdoIHlvdXIgdjIgcGF0Y2ggYW5kIHRoZXJloa9zIGFuIGlz c3VlIEmhr2QgbGlrZSB0byBwb2ludCBvdXQuPC9kaXY+PGRpdj5JbiBzcmMvdGVzdC9yZWdyZXNz L2V4cGVjdGVkL3Jvd3NlY3VyaXR5Lm91dDo8L2Rpdj48ZGl2Pjxicj48L2Rpdj48ZGl2PistLSBD T1BZIEZST00gc2hvdWxkIGFsc28gYXBwbHkgSU5TRVJUIENIRUNLIHBvbGljeSBjbGF1c2U8L2Rp dj48ZGl2PitDT1BZIHJsc190ZXN0X3RndCBGUk9NIFNURElOIFdJVEggKERFTElNSVRFUiAnLCcp OzwvZGl2PjxkaXY+K0VSUk9SOiAgbWlzc2luZyBkYXRhIGZvciBjb2x1bW4gImMiPC9kaXY+PGRp dj4rQ09OVEVYVDogIENPUFkgcmxzX3Rlc3RfdGd0LCBsaW5lIDE6ICIxLHRndCBhIjwvZGl2Pjxk aXY+PGJyPjwvZGl2PjxkaXY+VGhpcyAibWlzc2luZyBkYXRhIGZvciBjb2x1bW4gYyIgZXJyb3Ig aXMgYWN0dWFsbHkgYSBDT1BZIGZvcm1hdHRpbmcgZXJyb3IsIG5vdCBhbiBSTFMgcG9saWN5IHZp b2xhdGlvbi48L2Rpdj48ZGl2Pjxicj48L2Rpdj48ZGl2Pjxicj48L2Rpdj48ZGl2Pgo8cHJlIHN0 eWxlPSJvdmVyZmxvdy13cmFwOiBicmVhay13b3JkOyB3aGl0ZS1zcGFjZTogcHJlLXdyYXAgIWlt cG9ydGFudDsgd29yZC1icmVhazogYnJlYWstd29yZCAhaW1wb3J0YW50OyI+PGRpdiBzdHlsZT0i d2hpdGUtc3BhY2U6IHVuc2V0ICFpbXBvcnRhbnQ7IHdvcmQtYnJlYWs6IGJyZWFrLXdvcmQgIWlt cG9ydGFudDsiPkJlc3QgcmVnYXJkcywKPC9kaXY+PGRpdiBzdHlsZT0id2hpdGUtc3BhY2U6IHVu c2V0ICFpbXBvcnRhbnQ7IHdvcmQtYnJlYWs6IGJyZWFrLXdvcmQgIWltcG9ydGFudDsiPi0tCjwv ZGl2PjxkaXYgc3R5bGU9IndoaXRlLXNwYWNlOiB1bnNldCAhaW1wb3J0YW50OyB3b3JkLWJyZWFr OiBicmVhay13b3JkICFpbXBvcnRhbnQ7Ij5ZaWxpbiBaaGFuZzwvZGl2PjwvcHJlPgoKPC9kaXY+ PGRpdj48YnI+PC9kaXY+PGRpdj48YnI+PC9kaXY+PC9wcmU+PC9kaXY+ ------=_Part_126238_749041088.1782727982219--