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Wed, 08 Sep 2021 08:24:01 +0000 Content-Type: multipart/mixed; boundary="===============6514004181907311658==" MIME-Version: 1.0 Subject: Warn against transaction level advisory locks for emulating "flat file" DBMS locking strategies To: pgsql-docs@lists.postgresql.org From: PG Doc comments form Cc: me@jix.one Reply-To: me@jix.one, pgsql-docs@lists.postgresql.org Date: Wed, 08 Sep 2021 08:23:59 +0000 Message-ID: <163108943900.696.7027791431029866787@wrigleys.postgresql.org> X-Auto-Response-Suppress: All Auto-Submitted: auto-generated List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============6514004181907311658== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBkb2N1bWVudGF0aW9uIGNvbW1lbnQgaGFzIGJlZW4gbG9nZ2VkIG9uIHRo ZSB3ZWJzaXRlOgoKUGFnZTogaHR0cHM6Ly93d3cucG9zdGdyZXNxbC5vcmcvZG9jcy8xMy9leHBs aWNpdC1sb2NraW5nLmh0bWwKRGVzY3JpcHRpb246CgpUaGUgZG9jcyBtZW50aW9uICJGb3IgZXhh bXBsZSwgYSBjb21tb24gdXNlIG9mIGFkdmlzb3J5IGxvY2tzIGlzIHRvIGVtdWxhdGUKcGVzc2lt aXN0aWMgbG9ja2luZyBzdHJhdGVnaWVzIHR5cGljYWwgb2Ygc28tY2FsbGVkIOKAnGZsYXQgZmls ZeKAnSBkYXRhCm1hbmFnZW1lbnQgc3lzdGVtcyIgd2hpY2ggaXMgZXhhY3RseSB3aGF0IEkgd2Fu dGVkIHRvIHVzZSB0byBwb3J0IHNvbWUgY29kZQpmcm9tIHVzaW5nIFNRTGl0ZSB0byB1c2luZyBQ b3N0Z3JlU1FMLiAoVGhlIGNvZGUgaW4gcXVlc3Rpb24gcmVxdWlyZXMKc2VyaWFsaXphYmxlIHRy YW5zYWN0aW9ucyBhbmQgY2Fubm90IG5vdCBoYW5kbGUgcmV0cmllcy4pDQoNClRoZSBuZXh0IHBh cmFncmFwaCBleHBsYWlucyBzZXNzaW9uIGFuZCB0cmFuc2FjdGlvbiBsZXZlbCBhZHZpc29yeSBs b2NrcyBhbmQKbWVudGlvbnMgdGhhdCB0cmFuc2FjdGlvbiBsZXZlbCBsb2NrcyBhcmUgIm9mdGVu IG1vcmUgY29udmVuaWVudCB0aGFuIHRoZQpzZXNzaW9uLWxldmVsIGJlaGF2aW9yIi4gVGhpcyBz ZWVtZWQgdG8gYmUgdHJ1ZSBmb3IgdGhpcyB1c2UgY2FzZSwgc28gSQpjaG9zZSB0byB1c2UgdGhl bS4NCg0KTGF0ZXIgSSBkaXNjb3ZlcmVkIHRoYXQgb2J0YWluaW5nIGEgdHJhbnNhY3Rpb24gbGV2 ZWwgbG9jayBhcyBmaXJzdApzdGF0ZW1lbnQgX3dpdGhpbl8gYSB0cmFuc2FjdGlvbiBpcyBub3Qg c3VmZmljaWVudCB0byBlbXVsYXRlIGdsb2JhbApwZXNzaW1pc3RpYyBsb2NraW5nIGFuZCBjYW4g b2NjYXNpb25hbGx5IHN0aWxsIHJlc3VsdCBpbiBzZXJpYWxpemF0aW9uCmZhaWx1cmVzLiBXaGls ZSB0aGlzIG1ha2VzIHNlbnNlIHRvIG1lIGFmdGVyIGhhdmluZyBkaXNjb3ZlcmVkIHRob3NlCnNl cmlhbGl6YXRpb24gZmFpbHVyZXMgYW5kIHNwZW5kaW5nIHNvbWUgdGltZSBkZWJ1Z2dpbmcgbXkg Y29kZSB0byBtYWtlIHN1cmUKSSBhbSByZWFsbHkgdXNpbmcgdGhlIGxvY2tzIGFzIEkgaW50ZW5k ZWQsIGl0IHdhcyBub3Qgb2J2aW91cyB0byBtZSBiZWZvcmUuCldpdGhvdXQga25vd2luZyBkZXRh aWxzIG9mIGhvdyB0cmFuc2FjdGlvbnMgYXJlIGltcGxlbWVudGVkIGl0IHNlZW1lZAplcXVhbGx5 IHBsYXVzaWJsZSB0aGF0IGFjcXVpcmluZyB0aGUgbG9jayBiZWZvcmUgdGhlIGZpcnN0IHN0YXRl bWVudCB0aGF0CmFjY2Vzc2VzIG9yIG1vZGlmaWVzIGFueSBkYXRhIGlzIHN1ZmZpY2llbnQuIEdp dmVuIHRoYXQgdHJhbnNhY3Rpb24gbGV2ZWwKYWR2aXNvcnkgbG9ja3MgZXhpc3QgYW5kIHdlcmUg aW50cm9kdWNlZCByaWdodCBhZnRlciBtZW50aW9uaW5nIHRoaXMgdXNlCmNhc2UsIEkgYXNzdW1l ZCB0aGlzIHdhcyBvbmUgb2YgdGhlaXIgaW50ZW5kZWQgdXNlIGNhc2VzLg0KDQpJIHdvdWxkIHRo dXMgc3VnZ2VzdCB0byBhZGQgYSB3YXJuaW5nLCBlLmcuOiAiTm90ZSB0aGF0IHRoaXMgcmVxdWly ZXMKc2Vzc2lvbiBsZXZlbCBsb2NrcyBhY3F1aXJlZCBiZWZvcmUgYmVnaW5uaW5nIGEgdHJhbnNh Y3Rpb24uIiBhZnRlciAiRm9yCmV4YW1wbGUsIGEgY29tbW9uIHVzZSBvZiBhZHZpc29yeSBsb2Nr cyBpcyB0byBlbXVsYXRlIHBlc3NpbWlzdGljIGxvY2tpbmcKc3RyYXRlZ2llcyB0eXBpY2FsIG9m IHNvLWNhbGxlZCDigJxmbGF0IGZpbGXigJ0gZGF0YSBtYW5hZ2VtZW50IHN5c3RlbXMuIiBvciB0 bwptZW50aW9uIHRoaXMgcGl0ZmFsbCB3aGVuIGJvdGggdmFyaWFudHMgYXJlIGludHJvZHVjZWQg aW4gdGhlIG5leHQKcGFyYWdyYXBoLg0KDQpCZXN0IFJlZ2FyZHMsDQpKYW5uaXMK --===============6514004181907311658==--