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 1w4gzG-002ST0-2H for pgsql-committers@arkaria.postgresql.org; Mon, 23 Mar 2026 15:14:38 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w4gzF-000wrp-05 for pgsql-committers@arkaria.postgresql.org; Mon, 23 Mar 2026 15:14:37 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w4gzE-000wqh-2X for pgsql-committers@lists.postgresql.org; Mon, 23 Mar 2026 15:14:37 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1w4gz9-00000000iCe-0NP8 for pgsql-committers@lists.postgresql.org; Mon, 23 Mar 2026 15:14:36 +0000 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 4.96) (envelope-from ) id 1w4gz7-003Rrk-2y for pgsql-committers@lists.postgresql.org; Mon, 23 Mar 2026 15:14:30 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w4gz6-00162a-34 for pgsql-committers@lists.postgresql.org; Mon, 23 Mar 2026 15:14:29 +0000 Content-Type: multipart/mixed; boundary="===============3727235735193060222==" MIME-Version: 1.0 From: Tom Lane To: pgsql-committers@lists.postgresql.org Subject: pgsql: Improve commentary about ChangeVarNodesWalkExpression(). X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Mon, 23 Mar 2026 15:14:29 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============3727235735193060222== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 SW1wcm92ZSBjb21tZW50YXJ5IGFib3V0IENoYW5nZVZhck5vZGVzV2Fsa0V4cHJlc3Npb24oKS4K CklNTyB0aGUgcHJveGltYXRlIGNhdXNlIG9mIHRoZSBidWcgZml4ZWQgaW4gY29tbWl0IDA3Yjdh OTY0ZAp3YXMgc2xvcHB5IHRoaW5raW5nIGFib3V0IHdoYXQgQ2hhbmdlVmFyTm9kZXNXYWxrRXhw cmVzc2lvbigpCmlzIHRvIGJlIHVzZWQgZm9yLiAgRmxlc2ggb3V0IGl0cyBoZWFkZXIgY29tbWVu dCB0byB0cnkgdG8KaW1wcm92ZSB0aGF0IHNpdHVhdGlvbi4KCkF1dGhvcjogVG9tIExhbmUgPHRn bEBzc3MucGdoLnBhLnVzPgpEaXNjdXNzaW9uOiBodHRwczovL3Bvc3Rnci5lcy9tLzE2MDc1NTMu MTc3NDAxNzAwNkBzc3MucGdoLnBhLnVzCkJhY2twYXRjaC10aHJvdWdoOiAxOAoKQnJhbmNoCi0t LS0tLQptYXN0ZXIKCkRldGFpbHMKLS0tLS0tLQpodHRwczovL2dpdC5wb3N0Z3Jlc3FsLm9yZy9w Zy9jb21taXRkaWZmLzM2MGRkNmY3YjRjNTIyZDlhNDhkNDYyMWZlYjZkYTBhOTFiZDc1OTQKCk1v ZGlmaWVkIEZpbGVzCi0tLS0tLS0tLS0tLS0tCnNyYy9iYWNrZW5kL3Jld3JpdGUvcmV3cml0ZU1h bmlwLmMgfCAxNSArKysrKysrKysrKy0tLS0KMSBmaWxlIGNoYW5nZWQsIDExIGluc2VydGlvbnMo KyksIDQgZGVsZXRpb25zKC0pCgo= --===============3727235735193060222==--