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Wed, 17 Dec 2025 12:04:03 +0000 Content-Type: multipart/mixed; boundary="===============7703948873556794200==" MIME-Version: 1.0 Subject: BUG #19358: Short circuit optimization exists in generic plan but missed in custom plan To: pgsql-bugs@lists.postgresql.org From: PG Bug reporting form Cc: 798604270@qq.com Reply-To: 798604270@qq.com, pgsql-bugs@lists.postgresql.org Date: Wed, 17 Dec 2025 12:03:44 +0000 Message-ID: <19358-013f22cf91350df1@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 --===============7703948873556794200== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBidWcgaGFzIGJlZW4gbG9nZ2VkIG9uIHRoZSB3ZWJzaXRlOgoKQnVnIHJl ZmVyZW5jZTogICAgICAxOTM1OApMb2dnZWQgYnk6ICAgICAgICAgIENoaSBaaGFuZwpFbWFpbCBh ZGRyZXNzOiAgICAgIDc5ODYwNDI3MEBxcS5jb20KUG9zdGdyZVNRTCB2ZXJzaW9uOiAxNy42Ck9w ZXJhdGluZyBzeXN0ZW06ICAgdWJ1bnR1IDI0LjA0IHdpdGggZG9ja2VyCkRlc2NyaXB0aW9uOiAg ICAgICAgCgpIaSwKCkluIHRoZSBmb2xsb3dpbmcgdGVzdCBjYXNlLCB0aGVyZSBhcmUgdHdvIGVx dWl2YWxlbnQgdXBkYXRlczsgdGhlIGZpcnN0IG9uZQppcyBpbiBwcmVwYXJlZCBmb3JtLCBhbmQg dGhlIHNlY29uZCBvbmUgaXMgYSBub3JtYWwgdXBkYXRlLiBUaGVyZSBpcyBhCmNvbmZpZ3VyYXRp b24gdGhhdCBzZXRzIHBsYW5fY2FjaGVfbW9kZSA9IGZvcmNlX2dlbmVyaWNfcGxhbiwgd2hpY2gg bWVhbnMKdGhlIHByZXBhcmVkIHVwZGF0ZXMgd2lsbCB1c2UgYSBnZW5lcmljIHBsYW4uIFdoZW4g SSBydW4gdGhpcyB0ZXN0IGNhc2UsIEkKZm91bmQgdGhlIHByZXBhcmVkIHVwZGF0ZSBjYW4gZXhl Y3V0ZSwgYnV0IHRoZSBub3JtYWwgdXBkYXRlIHRyaWdnZXJzIGFuCmVycm9yIGByZXN1bHQgb2Yg cmFuZ2UgZGlmZmVyZW5jZSB3b3VsZCBub3QgYmUgY29udGlndW91c2AsIEkgY2FuIHVuZGVyc3Rh bmQKdGhpcyBiZWNhdXNlIHRoaXMgZXJyb3IgaXMgc2tpcHBlZCBpbiB0aGUgcHJlcGFyZWQgdXBk YXRlIGJ5IHNob3J0IGNpcmN1aXQKb3B0aW1pemF0aW9uLiBBcyBzaG93biBpbiB0aGUgZG9jdW1l bnQgYXQKaHR0cHM6Ly93d3cucG9zdGdyZXNxbC5vcmcvZG9jcy9jdXJyZW50L3J1bnRpbWUtY29u ZmlnLXF1ZXJ5Lmh0bWwgdGhhdCwgdGhlCmdlbmVyaWMgcGxhbiBtYXliZSBpbmVmZmljaWVudCB0 aGFuIHRoZSBjdXN0b20gcGxhbi4gU28gd2h5IHRoZSBzaG9ydApjaXJjdWl0IG9wdGltaXphdGlv biBhcHBsaWVkIGluIHRoZSBwcmVwYXJlZCB1cGRhdGUgKHdpdGggYSBnZW5lcmljIHBsYW4pCmJ1 dCBub3QgaW4gdGhlIG5vcm1hbCB1cGRhdGUgKHdpdGggYSBjdXN0b20gcGxhbikuCgpgYGAKU0VU IHBsYW5fY2FjaGVfbW9kZSA9IGZvcmNlX2dlbmVyaWNfcGxhbjsKQ1JFQVRFIFRBQkxFIHQzKGMw IFRFWFQpOwpJTlNFUlQgSU5UTyB0MyhjMCkgVkFMVUVTKCcnKTsKUFJFUEFSRSBwcmVwYXJlX3F1 ZXJ5ICh0ZXh0LCBpbnQ0cmFuZ2UsIGludDRyYW5nZSkgQVMgVVBEQVRFIHQzIFNFVCBjMD0kMQpX SEVSRSAoKCh0My5jMCkgSU4gKHQzLmMwKSlPUigoKHQzLmMwKSkgQkVUV0VFTiAoKCh0My5jMCl8 fCgoKCQyKS0oJDMpKSkpKQpBTkQgKHQzLmMwKSkpOwpFWEVDVVRFIHByZXBhcmVfcXVlcnkoJycs ICdbLTk5MzY5MzAyNywxNTI1MzA1ODE4XSc6OmludDRyYW5nZSwKJ1stMTY4MzA2NjIxLC0xNjM2 NTY5NDcpJzo6aW50NHJhbmdlKTsKREVBTExPQ0FURSBwcmVwYXJlX3F1ZXJ5OwpVUERBVEUgdDMg U0VUIGMwPScnOjp0ZXh0IFdIRVJFICgoKHQzLmMwKSBJTiAodDMuYzApKU9SKCgodDMuYzAgKSkg QkVUV0VFTgooKCh0My5jMCl8fCgoKCdbLTk5MzY5MzAyNywxNTI1MzA1ODE4XSc6OmludDRyYW5n ZSktKCdbLTE2ODMwNjYyMSwtMTYzNjU2OTQ3KSc6OmludDRyYW5nZSkpKSkpCkFORCAodDMuYzAp KSk7IC0tIEVSUk9SOiAgcmVzdWx0IG9mIHJhbmdlIGRpZmZlcmVuY2Ugd291bGQgbm90IGJlIGNv bnRpZ3VvdXMKYGBgCgo= --===============7703948873556794200==--