diff options
| author | Tom Lane | 2013-12-12 17:40:07 +0000 |
|---|---|---|
| committer | Tom Lane | 2013-12-12 17:40:07 +0000 |
| commit | 85eb066ecdba647fcf972425d67266271e35d5cb (patch) | |
| tree | 8c244b2a4a8986f08a108df58cf7062f9d78e520 /doc/src/sgml | |
| parent | 884c6384a2db34f6a65573e6bfd4b71dfba0de90 (diff) | |
Fix ancient docs/comments thinko: XID comparison is mod 2^32, not 2^31.
Pointed out by Gianni Ciolli.
Diffstat (limited to 'doc/src/sgml')
| -rw-r--r-- | doc/src/sgml/maintenance.sgml | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml index 385ee20d0cf..59d521b23b6 100644 --- a/doc/src/sgml/maintenance.sgml +++ b/doc/src/sgml/maintenance.sgml @@ -356,7 +356,7 @@ <productname>PostgreSQL</productname> distinguishes a special XID <literal>FrozenXID</>. This XID is always considered older than every normal XID. Normal XIDs are - compared using modulo-2<superscript>31</> arithmetic. This means + compared using modulo-2<superscript>32</> arithmetic. This means that for every normal XID, there are two billion XIDs that are <quote>older</> and two billion that are <quote>newer</>; another way to say it is that the normal XID space is circular with no |