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Fri, 18 Sep 2026 06:39:03 +0000 Content-Type: multipart/mixed; boundary="===============0858533618241429531==" MIME-Version: 1.0 From: Alexander Korotkov To: pgsql-committers@lists.postgresql.org Subject: pgsql: Say what WAIT's snapshot restriction actually is X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Fri, 18 Sep 2026 06:39:03 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============0858533618241429531== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 U2F5IHdoYXQgV0FJVCdzIHNuYXBzaG90IHJlc3RyaWN0aW9uIGFjdHVhbGx5IGlzCgpUaGUgcmVm ZXJlbmNlIHBhZ2Ugc2FpZCBXQUlUICJjYW5ub3QgYmUgdXNlZCBpbiBjb250ZXh0cyB3aGVyZSBz dWNoIGEKc25hcHNob3QgbXVzdCByZW1haW4gYWN0aXZlLCBpbmNsdWRpbmcgdHJhbnNhY3Rpb25z IHJ1bm5pbmcgYXQgaXNvbGF0aW9uCmxldmVscyBoaWdoZXIgdGhhbiBSRUFEIENPTU1JVFRFRCIs IHdoaWNoIHJlYWRzIGFzIGEgYmxhbmtldCBiYW4gYXQgdGhvc2UKbGV2ZWxzLiAgSXQgaXMgbm90 IG9uZS4gIFRoZSBydWxlIHRoZSBjb2RlIGVuZm9yY2VzIGlzIHRoYXQgdGhlIGN1cnJlbnQKdHJh bnNhY3Rpb24gbXVzdCBob2xkIG5vIHNuYXBzaG90LCBhbmQgYSB0cmFuc2FjdGlvbi1zbmFwc2hv dC1tb2RlCnRyYW5zYWN0aW9uIGhhcyBubyBzbmFwc2hvdCB1bnRpbCBpdHMgZmlyc3QgcXVlcnk6 IFdhaXRTdG10IGlzIGV4ZW1wdCBpbgpQbGFubmVkU3RtdFJlcXVpcmVzU25hcHNob3QoKSwgc28g dGhlIGNvbW1hbmQgaXRzZWxmIGRvZXMgbm90IHRha2Ugb25lLgpXQUlUIHRoZXJlZm9yZSB3b3Jr cyBiZWZvcmUgdGhhdCBmaXJzdCBxdWVyeSwgd2hpY2ggaXMgdGhlIG9yZGVyIGFuCmFwcGxpY2F0 aW9uIHdhbnRzIGFueXdheSwgYW5kIGl0IGlzIHdoYXQgNDQ3YWFlMTNiMDMgc2V0IG91dCB0byBh bGxvdyBieQprZWVwaW5nIHRoZSB3YWl0IHNuYXBzaG90LWZyZWUuCgpTdGF0ZSB0aGUgcnVsZSBp biB0ZXJtcyBvZiB0aGUgc25hcHNob3QgcmF0aGVyIHRoYW4gdGhlIGlzb2xhdGlvbiBsZXZlbCwK c2F5IHRoYXQgV0FJVCBhY3F1aXJlcyBub25lIG9mIGl0cyBvd24gYW5kIG5hbWUgdGhlIG90aGVy IHdheXMgdG8gaG9sZApvbmUsIGFuZCBnaXZlIHRoZSBjb25zZXF1ZW5jZSBvZiBob2xkaW5nIG9u ZTogaXQgY2FuIGRlbGF5IHJlcGxheSwgd2hpY2gKc3RhbmRieV9yZXBsYXkgd2FpdHMgZm9yIGFu ZCB3aGljaCB0aGUgb3RoZXIgc3RhbmRieSBtb2RlcyB1bHRpbWF0ZWx5CmRlcGVuZCBvbiBhcyB3 ZWxsLgoKVGhlIGVycm9yIGZvciBhIGhlbGQgc25hcHNob3QgbmFtZWQgdGhlIGludGVybmFsIHNu YXBzaG90IHN0YXRlcyBpbnN0ZWFkCm9mIHNheWluZyB3aGF0IHRoZSB1c2VyIGRpZCwgYW5kIGF0 dGFjaGVkIHRoZSBpc29sYXRpb24tbGV2ZWwKZXhwbGFuYXRpb24gYXMgREVUQUlMIHVuY29uZGl0 aW9uYWxseSwgc28gYSBSRUFEIENPTU1JVFRFRCBzZXNzaW9uIHdpdGggYQpjdXJzb3Igd2FzIHRv bGQgaXRzIGlzb2xhdGlvbiBsZXZlbCB3YXMgdG9vIGhpZ2guICBSZXBvcnQgd2hhdCBpcyBoZWxk CnJhdGhlciB0aGFuIGhvdyBpdCBpcyBoZWxkLCBhbmQgZW1pdCB0aGUgREVUQUlMIG9ubHkgd2hl biB0aGUgaXNvbGF0aW9uCmxldmVsIGlzIGluIGZhY3QgdGhlIHJlYXNvbi4KClJlcG9ydGVkLWJ5 OiBTYW1pIEltc2VpaCA8c2FtaW1zZWloLnBnQGdtYWlsLmNvbT4KUmVwb3J0ZWQtYnk6IFh1bmVu ZyBaaG91IDx4dW5lbmd6aG91QGdtYWlsLmNvbT4KUmV2aWV3ZWQtYnk6IFNhbWkgSW1zZWloIDxz YW1pbXNlaWgucGdAZ21haWwuY29tPgpSZXZpZXdlZC1ieTogWHVuZW5nIFpob3UgPHh1bmVuZ3po b3VAZ21haWwuY29tPgpEaXNjdXNzaW9uOiBodHRwczovL3Bvc3Rnci5lcy9tL0NBTjEyJTJCWUpk ZGdBWnpBMzZKWkZYJTJCWXJuTlI3VXVicDlxV0Z6NkFTczN2MGtMMzBBTUElNDBtYWlsLmdtYWls LmNvbQpCYWNrcGF0Y2gtdGhyb3VnaDogMTkKCkJyYW5jaAotLS0tLS0KUkVMXzE5X1NUQUJMRQoK RGV0YWlscwotLS0tLS0tCmh0dHBzOi8vZ2l0LnBvc3RncmVzcWwub3JnL3BnL2NvbW1pdGRpZmYv NmZlOTkwZjM0OGFlODkxZGY2OWY3N2JmM2U2M2ZmMjQ4OWRhYzZmYwoKTW9kaWZpZWQgRmlsZXMK LS0tLS0tLS0tLS0tLS0KZG9jL3NyYy9zZ21sL3JlZi93YWl0LnNnbWwgICAgICAgICAgICAgIHwg MTQgKysrKysrKysrKy0tLS0Kc3JjL2JhY2tlbmQvY29tbWFuZHMvd2FpdC5jICAgICAgICAgICAg IHwgIDYgKysrKy0tCnNyYy90ZXN0L3JlY292ZXJ5L3QvMDQ5X3dhaXRfZm9yX2xzbi5wbCB8IDI3 ICsrKysrKysrKysrKysrKysrKysrKysrKysrLQozIGZpbGVzIGNoYW5nZWQsIDQwIGluc2VydGlv bnMoKyksIDcgZGVsZXRpb25zKC0pCgo= --===============0858533618241429531==--