Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dheiM-0004mG-7z for pgsql-committers@arkaria.postgresql.org; Tue, 15 Aug 2017 16:29:10 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1dheiL-0005PB-Qj for pgsql-committers@arkaria.postgresql.org; Tue, 15 Aug 2017 16:29:09 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1dhei6-0004yx-Pd for pgsql-committers@postgresql.org; Tue, 15 Aug 2017 16:28:54 +0000 Received: from mahout.postgresql.org ([2001:4800:1501:1::227]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1dhehz-00068B-Fi for pgsql-committers@postgresql.org; Tue, 15 Aug 2017 16:28:53 +0000 Received: from gemulon.postgresql.org ([2001:4800:1501:1::198]) by mahout.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.84_2) (envelope-from ) id 1dhehy-0007St-Lx for pgsql-committers@postgresql.org; Tue, 15 Aug 2017 16:28:46 +0000 Received: from git by gemulon.postgresql.org with local (Exim 4.84_2) (envelope-from ) id 1dhehy-00034e-8N for pgsql-committers@postgresql.org; Tue, 15 Aug 2017 16:28:46 +0000 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 To: pgsql-committers@postgresql.org From: Tom Lane Subject: pgsql: Simplify plpgsql's check for simple expressions. Message-Id: Date: Tue, 15 Aug 2017 16:28:46 +0000 List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-committers Precedence: bulk Sender: pgsql-committers-owner@postgresql.org U2ltcGxpZnkgcGxwZ3NxbCdzIGNoZWNrIGZvciBzaW1wbGUgZXhwcmVzc2lv bnMuCgpwbHBnc3FsIHdhbnRzIHRvIHJlY29nbml6ZSBleHByZXNzaW9ucyB0 aGF0IGl0IGNhbiBleGVjdXRlIGRpcmVjdGx5CnZpYSBFeGVjRXZhbEV4cHIo KSBpbnN0ZWFkIG9mIGdvaW5nIHRocm91Z2ggdGhlIGZ1bGwgU1BJIG1hY2hp bmVyeS4KT3JpZ2luYWxseSB0aGUgdGVzdCBmb3IgdGhpcyBjb25zaXN0ZWQg b2YgcmVjdXJzaXZlbHkgZ3JvdmVsaW5nIHRocm91Z2gKdGhlIHBvc3QtcGxh bm5pbmcgZXhwcmVzc2lvbiB0cmVlIHRvIHNlZSBpZiBpdCBjb250YWluZWQg b25seSBub2RlcyB0aGF0CnBscGdzcWwgcmVjb2duaXplZCBhcyBzYWZlLiAg VGhhdCB3YXMgYSBtYWpvciBtYWludGVuYW5jZSBoZWFkYWNoZSwgc2luY2UK aXQgcmVxdWlyZWQgdXBkYXRpbmcgcGxwZ3NxbCBldmVyeSB0aW1lIHdlIGFk ZGVkIGFueSBraW5kIG9mIGV4cHJlc3Npb24Kbm9kZS4gIEl0IHdhcyBhbHNv IGtpbmQgb2YgZXhwZW5zaXZlLCBzbyBvdmVyIHRpbWUgd2UgYWRkZWQgdmFy aW91cwpwcmUtcGxhbm5pbmcgY2hlY2tzIHRvIHRyeSB0byBzaG9ydC1jaXJj dWl0IGhhdmluZyB0byBkbyB0aGF0LgpSb2JlcnQgSGFhcyBwb2ludGVkIG91 dCB0aGF0IGFzIG9mIHRoZSBTUkYtcHJvY2Vzc2luZyBjaGFuZ2VzIGluIHYx MCwKcGFydGljdWxhcmx5IHRoZSBhZGRpdGlvbiBvZiBRdWVyeS5oYXNUYXJn ZXRTUkZzLCB0aGVyZSByZWFsbHkgaXNuJ3QKYW55IHJlYXNvbiB0byBtYWtl IHRoZSByZWN1cnNpdmUgc2NhbiBhdCBhbGw6IHRoZSBpbml0aWFsIGNoZWNr cyBjb3ZlcgpldmVyeXRoaW5nIHdlIHJlYWxseSBjYXJlIGFib3V0LiAgV2Ug ZG8gaGF2ZSB0byBtYWtlIHN1cmUgdGhhdCB0aG9zZQpjaGVja3MgYWdyZWUg d2l0aCB3aGF0IGlubGluZV9mdW5jdGlvbigpIGNvbnNpZGVycywgc28gdGhh dCBpbmxpbmluZwpvZiBhIGZ1bmN0aW9uIHRoYXQgZm9ybWVybHkgd2Fzbid0 IGlubGluZWQgY2FuJ3QgY2F1c2UgYW4gZXhwcmVzc2lvbgpjb25zaWRlcmVk IHNpbXBsZSB0byBiZWNvbWUgbm9uLXNpbXBsZS4KCkhlbmNlLCBkZWxldGUg dGhlIHJlY3Vyc2l2ZSBmdW5jdGlvbiBleGVjX3NpbXBsZV9jaGVja19ub2Rl KCksIGFuZCB0d2Vhawp0aG9zZSBvdGhlciB0ZXN0cyB0byBtb3JlIGV4YWN0 bHkgYWdyZWUgd2l0aCBpbmxpbmVfZnVuY3Rpb24oKS4gIEFkanVzdApzb21l IGNvbW1lbnRzIGFuZCBmdW5jdGlvbiBuYW1pbmcgdG8gbWF0Y2guCgpEaXNj dXNzaW9uOiBodHRwczovL3Bvc3Rnci5lcy9tL0NBK1RnbW9aR1pwd2RFVjJG UVdhVnhBX3FaWHNRRTFEQVM1RnU4Znd4WEROdmZuZGlVUUBtYWlsLmdtYWls LmNvbQoKQnJhbmNoCi0tLS0tLQptYXN0ZXIKCkRldGFpbHMKLS0tLS0tLQpo dHRwczovL2dpdC5wb3N0Z3Jlc3FsLm9yZy9wZy9jb21taXRkaWZmLzAwNDE4 YzYxMjQ0MTM4YmQ4YWMyZGU1ODA3NmExZDBkZDRmNTM5ZjMKCk1vZGlmaWVk IEZpbGVzCi0tLS0tLS0tLS0tLS0tCnNyYy9iYWNrZW5kL29wdGltaXplci91 dGlsL2NsYXVzZXMuYyB8ICAgNSArCnNyYy9wbC9wbHBnc3FsL3NyYy9wbF9l eGVjLmMgICAgICAgICB8IDM4NyArKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLQoyIGZpbGVzIGNoYW5nZWQsIDUzIGluc2VydGlvbnMoKyks IDMzOSBkZWxldGlvbnMoLSkKCgotLSAKU2VudCB2aWEgcGdzcWwtY29tbWl0 dGVycyBtYWlsaW5nIGxpc3QgKHBnc3FsLWNvbW1pdHRlcnNAcG9zdGdyZXNx bC5vcmcpClRvIG1ha2UgY2hhbmdlcyB0byB5b3VyIHN1YnNjcmlwdGlvbjoK aHR0cDovL3d3dy5wb3N0Z3Jlc3FsLm9yZy9tYWlscHJlZi9wZ3NxbC1jb21t aXR0ZXJzCg==