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 1rLXGN-008Vlf-Vn for pgsql-committers@arkaria.postgresql.org; Thu, 04 Jan 2024 23:36:35 +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 1rLXGM-00GBQE-3i for pgsql-committers@arkaria.postgresql.org; Thu, 04 Jan 2024 23:36:34 +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 1rLXGL-00GBQ6-SW for pgsql-committers@lists.postgresql.org; Thu, 04 Jan 2024 23:36:33 +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 4.94.2) (envelope-from ) id 1rLXGJ-00DlmA-1k for pgsql-committers@lists.postgresql.org; Thu, 04 Jan 2024 23:36:32 +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 4.94.2) (envelope-from ) id 1rLXGI-00BJyR-EA for pgsql-committers@lists.postgresql.org; Thu, 04 Jan 2024 23:36:30 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1rLXGG-00DXPw-Sb for pgsql-committers@lists.postgresql.org; Thu, 04 Jan 2024 23:36:29 +0000 Content-Type: multipart/mixed; boundary="===============4566579075450439017==" MIME-Version: 1.0 From: Tom Lane To: pgsql-committers@lists.postgresql.org Subject: pgsql: Teach estimate_array_length() to use statistics where available. X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Thu, 04 Jan 2024 23:36:29 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============4566579075450439017== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGVhY2ggZXN0aW1hdGVfYXJyYXlfbGVuZ3RoKCkgdG8gdXNlIHN0YXRpc3RpY3Mgd2hlcmUgYXZh aWxhYmxlLgoKSWYgd2UgaGF2ZSBERUNISVNUIHN0YXRpc3RpY3MgYWJvdXQgdGhlIGFyZ3VtZW50 IGV4cHJlc3Npb24sIHVzZQp0aGUgYXZlcmFnZSBudW1iZXIgb2YgZGlzdGluY3QgZWxlbWVudHMg YXMgdGhlIGFycmF5IGxlbmd0aCBlc3RpbWF0ZS4KKEl0J2QgYmUgYmV0dGVyIHRvIHVzZSB0aGUg YXZlcmFnZSB0b3RhbCBudW1iZXIgb2YgZWxlbWVudHMsIGJ1dAp0aGF0IGlzIG5vdCBjdXJyZW50 bHkgY2FsY3VsYXRlZCBieSBjb21wdXRlX2FycmF5X3N0YXRzKCksIGFuZAppdCdzIHVuY2xlYXIg dGhhdCBpdCdkIGJlIHdvcnRoIGV4dHJhIGVmZm9ydCB0byBnZXQuKQoKVG8gZG8gdGhpcywgd2Ug aGF2ZSB0byBjaGFuZ2UgdGhlIHNpZ25hdHVyZSBvZiBlc3RpbWF0ZV9hcnJheV9sZW5ndGgKdG8g cGFzcyB0aGUgInJvb3QiIHBvaW50ZXIuICBXaGlsZSBhdCBpdCwgYWxzbyBjaGFuZ2UgaXRzIHJl c3VsdAp0eXBlIHRvICJkb3VibGUiLiAgVGhhdCdzIHByb2JhYmx5IG5vdCByZWFsbHkgbmVjZXNz YXJ5LCBidXQgaXQKYXZvaWRzIGFueSByaXNrIG9mIG92ZXJmbG93IG9mIHRoZSB2YWx1ZSBleHRy YWN0ZWQgZnJvbSBERUNISVNULgpBbGwgZXhpc3RpbmcgY2FsbGVycyBhcmUgZ29pbmcgdG8gdXNl IHRoZSByZXN1bHQgaW4gYSAiZG91YmxlIgpjYWxjdWxhdGlvbiBhbnl3YXkuCgpQYXVsIEp1bmd3 aXJ0aCwgcmV2aWV3ZWQgYnkgSmlhbiBIZSBhbmQgbXlzZWxmCgpEaXNjdXNzaW9uOiBodHRwczov L3Bvc3Rnci5lcy9tL0NBK3JlbnlVbk0yZCtTbXJ4S3BEdUFkcGlxNkZPTT1GQnl2aTZhUzZ5aV9f cXlmNmo5QUBtYWlsLmdtYWlsLmNvbQoKQnJhbmNoCi0tLS0tLQptYXN0ZXIKCkRldGFpbHMKLS0t LS0tLQpodHRwczovL2dpdC5wb3N0Z3Jlc3FsLm9yZy9wZy9jb21taXRkaWZmLzkzOTFmNzE1MjNi NmU1N2YxMTk0ZDlmNjU0M2JjNzk0OGMxNjQxMWIKCk1vZGlmaWVkIEZpbGVzCi0tLS0tLS0tLS0t LS0tCnNyYy9iYWNrZW5kL29wdGltaXplci9wYXRoL2Nvc3RzaXplLmMgfCAxMCArKysrLS0tLQpz cmMvYmFja2VuZC91dGlscy9hZHQvYXJyYXlmdW5jcy5jICAgIHwgIDIgKy0Kc3JjL2JhY2tlbmQv dXRpbHMvYWR0L3NlbGZ1bmNzLmMgICAgICB8IDQ3ICsrKysrKysrKysrKysrKysrKysrKysrKysr KystLS0tLS0tCnNyYy9pbmNsdWRlL3V0aWxzL3NlbGZ1bmNzLmggICAgICAgICAgfCAgMiArLQo0 IGZpbGVzIGNoYW5nZWQsIDQ1IGluc2VydGlvbnMoKyksIDE2IGRlbGV0aW9ucygtKQoK --===============4566579075450439017==--