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 4.94.2) (envelope-from ) id 1v4r80-0085qt-48 for pgsql-committers@arkaria.postgresql.org; Sat, 04 Oct 2025 01:32:04 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1v4r6y-00FtH1-Jx for pgsql-committers@arkaria.postgresql.org; Sat, 04 Oct 2025 01:31:01 +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 4.94.2) (envelope-from ) id 1v4r6y-00FtGs-CH for pgsql-committers@lists.postgresql.org; Sat, 04 Oct 2025 01:31:01 +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 1v4r6p-001I9v-17 for pgsql-committers@lists.postgresql.org; Sat, 04 Oct 2025 01:30:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Date:Message-Id:Subject:To:From:MIME-Version: Content-Type:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=7hTSUOenoK7clnMTAEbq6s0F4iUg0FEylbUVG2yi2jM=; b=N3YZHJzCwO0aZaayAmrZa+YBH+ 5E6+Bm7Qpv9gsKy1LTSJmLN0GAXz3zX9oXGltLpiqY4wJoeW/KLFzFdDML+CB+NiVMEQdKEEHkSdw +Rwia0ymQHZ3j3hZXqm8syFtaOHlfNcCArFhuah2eL0+zNWBftW/aLth37tHfWZXMezOPLxO64pz4 OUfIazx4+nBjjeujODwbpK90SnvBprbz3LkMzCHir9xR2qPICda7phRYWAANPqwmfDE6nqlgi6Svg 5OiV79ClW4AUUTs42pAEFkKqzzIsIopodqMqJJ2Pe1xTIE2BFUHdjXnhUvggPucmB7qNHmPv1Mpnf ZPTItgLg==; Received: from gemulon.postgresql.org ([2001:4800:3e1:1::198]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1v4r6n-003aYf-7a for pgsql-committers@lists.postgresql.org; Sat, 04 Oct 2025 01:30:50 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1v4r6m-001Lgx-1h for pgsql-committers@lists.postgresql.org; Sat, 04 Oct 2025 01:30:48 +0000 Content-Type: multipart/mixed; boundary="===============7913543093608333750==" MIME-Version: 1.0 From: David Rowley To: pgsql-committers@lists.postgresql.org Subject: pgsql: Teach UNION planner to remove dummy inputs X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Sat, 04 Oct 2025 01:30:48 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============7913543093608333750== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGVhY2ggVU5JT04gcGxhbm5lciB0byByZW1vdmUgZHVtbXkgaW5wdXRzCgpUaGlzIGFkanVzdHMg VU5JT04gcGxhbm5pbmcgc28gdGhhdCB0aGUgcGxhbm5lciBwcm9kdWNlcyBtb3JlIG9wdGltYWwK cGxhbnMgd2hlbiBvbmUgb3IgbW9yZSBvZiB0aGUgVU5JT04ncyBzdWJxdWVyaWVzIGhhdmUgYmVl biBwcm92ZW4gdG8gYmUKZW1wdHkgKGEgZHVtbXkgcmVsKS4KCklmIGFueSBvZiB0aGUgaW5wdXRz IGFyZSBlbXB0eSwgdGhlbiB0aGF0IGlucHV0IGNhbiBiZSByZW1vdmVkIGZyb20gdGhlCkFwcGVu ZCAvIE1lcmdlQXBwZW5kLiAgUHJldmlvdXNseSwgYSBjb25zdC1mYWxzZSAiUmVzdWx0IiBub2Rl IHdvdWxkCmFwcGVhciB0byByZXByZXNlbnQgdGhpcy4gIFJlbW92aW5nIGVtcHR5IGlucHV0cyBo YXMgYSBmZXcgZXh0cmEKYmVuZWZpdHMgd2hlbiBvbmx5IDEgdW5pb24gY2hpbGQgcmVtYWlucyBh cyBpdCBtZWFucyB0aGUgQXBwZW5kIG9yCk1lcmdlQXBwZW5kIGNhbiBiZSByZW1vdmVkIGluIHNl dHJlZnMuYywgbWFraW5nIHRoZSBwbGFuIHNsaWdodGx5IGZhc3Rlcgp0byBleGVjdXRlLiAgQWxz bywgd2UgY2FuIHByb3ZpZGUgYmV0dGVyIG5fZGlzdGluY3QgZXN0aW1hdGVzIGJ5IGxvb2tpbmcK YXQgdGhlIHNvbGUgcmVtYWluaW5nIGlucHV0IHJlbCdzIHN0YXRpc3RpY3MuCgpBdXRob3I6IERh dmlkIFJvd2xleSA8ZGdyb3dsZXltbEBnbWFpbC5jb20+ClJldmlld2VkLWJ5OiBUb20gTGFuZSA8 dGdsQHNzcy5wZ2gucGEudXM+CkRpc2N1c3Npb246IGh0dHBzOi8vcG9zdGdyLmVzL20vQ0FBcEhE dnJpNTNQUEY3NmMzTTk0X1FOV2JKZlhqeUNualh1al8yPUxZTS0wbThXWnR3QG1haWwuZ21haWwu Y29tCgpCcmFuY2gKLS0tLS0tCm1hc3RlcgoKRGV0YWlscwotLS0tLS0tCmh0dHBzOi8vZ2l0LnBv c3RncmVzcWwub3JnL3BnL2NvbW1pdGRpZmYvMDNkNDBlNGI1MjNiMjA3NWMxOThhYTg5ZDk0NDVl YTgyOTdmOGVjYQoKTW9kaWZpZWQgRmlsZXMKLS0tLS0tLS0tLS0tLS0Kc3JjL2JhY2tlbmQvb3B0 aW1pemVyL3ByZXAvcHJlcHVuaW9uLmMgfCA1NiArKysrKysrKysrKysrKysrKysrKysrKysrKysr LS0tLS0tCnNyYy90ZXN0L3JlZ3Jlc3MvZXhwZWN0ZWQvdW5pb24ub3V0ICAgIHwgNTEgKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKwpzcmMvdGVzdC9yZWdyZXNzL3NxbC91bmlvbi5zcWwg ICAgICAgICB8IDI3ICsrKysrKysrKysrKysrKysKMyBmaWxlcyBjaGFuZ2VkLCAxMjUgaW5zZXJ0 aW9ucygrKSwgOSBkZWxldGlvbnMoLSkKCg== --===============7913543093608333750==--