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 1w1vjG-000jCr-2m for pgsql-committers@arkaria.postgresql.org; Mon, 16 Mar 2026 00:22:43 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w1vjF-006SgL-1R for pgsql-committers@arkaria.postgresql.org; Mon, 16 Mar 2026 00:22:42 +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 1w1vjF-006SgC-0l for pgsql-committers@lists.postgresql.org; Mon, 16 Mar 2026 00:22:41 +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 1w1vjD-00000000L59-0HLz for pgsql-committers@lists.postgresql.org; Mon, 16 Mar 2026 00:22:41 +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 1w1vjB-0013tS-2K for pgsql-committers@lists.postgresql.org; Mon, 16 Mar 2026 00:22:38 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w1vjB-000Lyw-18 for pgsql-committers@lists.postgresql.org; Mon, 16 Mar 2026 00:22:38 +0000 Content-Type: multipart/mixed; boundary="===============0260344145285001659==" MIME-Version: 1.0 From: Michael Paquier To: pgsql-committers@lists.postgresql.org Subject: pgsql: Optimize hash index bulk-deletion with streaming read X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Mon, 16 Mar 2026 00:22:38 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============0260344145285001659== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 T3B0aW1pemUgaGFzaCBpbmRleCBidWxrLWRlbGV0aW9uIHdpdGggc3RyZWFtaW5nIHJlYWQKClRo aXMgY29tbWl0IHJlZmFjdG9ycyBoYXNoYnVsa2RlbGV0ZSgpIHRvIHVzZSBzdHJlYW1pbmcgcmVh ZHMsIGltcHJvdmluZwp0aGUgZWZmaWNpZW5jeSBvZiB0aGUgb3BlcmF0aW9uIGJ5IHByZWZldGNo aW5nIHVwY29taW5nIGJ1Y2tldHMgd2hpbGUKcHJvY2Vzc2luZyBhIGN1cnJlbnQgYnVja2V0LiAg VGhlcmUgYXJlIHNvbWUgc3BlY2lmaWMgY2hhbmdlcyByZXF1aXJlZAp0byBtYWtlIHN1cmUgdGhh dCB0aGUgY2xlYW51cCB3b3JrIGhhcHBlbnMgaW4gYWNjb3JkYW5jZSB0byB0aGUgZGF0YQpwdXNo ZWQgdG8gdGhlIHN0cmVhbSByZWFkIGNhbGxiYWNrLiAgV2hlbiB0aGUgY2FjaGVkIG1ldGFkYXRh IHBhZ2UgaXMKcmVmcmVzaGVkIHRvIGJlIGFibGUgdG8gcHJvY2VzcyB0aGUgbmV4dCBzZXQgb2Yg YnVja2V0cywgdGhlIHN0cmVhbSBpcwpyZXNldCBhbmQgdGhlIGRhdGEgZmVkIHRvIHRoZSBzdHJl YW0gcmVhZCBjYWxsYmFjayBoYXMgdG8gYmUgdXBkYXRlZC4KVGhlIHJlc2V0IG5lZWRzIHRvIGhh cHBlbiBpbiB0d28gY29kZSBwYXRocywgd2hlbiBfaGFzaF9nZXRjYWNoZWRtZXRhcCgpCmlzIGNh bGxlZC4KClRoZSBhdXRob3IgaGFzIHNlZW4gYmV0dGVyIHBlcmZvcm1hbmNlIG51bWJlcnMgdGhh biBteXNlbGYgb24gdGhpcyBvbmUKKHdpdGggdHdlYWtzIHNpbWlsYXIgdG8gNmMyMjg3NTVhZGQ4 KS4gIFRoZSBudW1iZXJzIGFyZSBnb29kIGVub3VnaCBmb3IKYm90aCBvZiB1cyB0aGF0IHRoaXMg Y2hhbmdlIGlzIHdvcnRoIGRvaW5nLCBpbiB0ZXJtcyBvZiBJTyBhbmQgcnVudGltZS4KCkF1dGhv cjogWHVuZW5nIFpob3UgPHh1bmVuZ3pob3VAZ21haWwuY29tPgpSZXZpZXdlZC1ieTogTWljaGFl bCBQYXF1aWVyIDxtaWNoYWVsQHBhcXVpZXIueHl6PgpSZXZpZXdlZC1ieTogTmF6aXIgQmlsYWwg WWF2dXogPGJ5YXZ1ejgxQGdtYWlsLmNvbT4KRGlzY3Vzc2lvbjogaHR0cHM6Ly9wb3N0Z3IuZXMv bS9DQUJQVEY3VnJxZmJjRFhxR3JkTFEyeGFRPUswUnpFeE51dzZVX0dHcXpTSnUzMndmZFFAbWFp bC5nbWFpbC5jb20KCkJyYW5jaAotLS0tLS0KbWFzdGVyCgpEZXRhaWxzCi0tLS0tLS0KaHR0cHM6 Ly9naXQucG9zdGdyZXNxbC5vcmcvcGcvY29tbWl0ZGlmZi9iZmEzYzRmMTA2YjFmYjg1OGVhZDFj OGYwNTMzMmYwOWQzNGY2NjRhCgpNb2RpZmllZCBGaWxlcwotLS0tLS0tLS0tLS0tLQpzcmMvYmFj a2VuZC9hY2Nlc3MvaGFzaC9oYXNoLmMgICB8IDgwICsrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrLS0Kc3JjL3Rvb2xzL3BnaW5kZW50L3R5cGVkZWZzLmxpc3QgfCAgMSArCjIg ZmlsZXMgY2hhbmdlZCwgNzggaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKCg== --===============0260344145285001659==--