From 24b1f14eae0b83ef5d6b269ebf1ecae2f3acbb8c Mon Sep 17 00:00:00 2001 From: Bruce Momjian <bruce@momjian.us> Date: Sat, 30 Dec 2006 20:31:11 +0000 Subject: [PATCH] Clarify wording on when ctid is modified by VACUUM FULL. --- doc/src/sgml/ddl.sgml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml index 6dd740fbfee..6896b7b90b5 100644 --- a/doc/src/sgml/ddl.sgml +++ b/doc/src/sgml/ddl.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/ddl.sgml,v 1.70 2006/12/28 20:02:38 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/ddl.sgml,v 1.71 2006/12/30 20:31:11 momjian Exp $ --> <chapter id="ddl"> <title>Data Definition</title> @@ -974,7 +974,7 @@ CREATE TABLE order_items ( The physical location of the row version within its table. Note that although the <structfield>ctid</structfield> can be used to locate the row version very quickly, a row's - <structfield>ctid</structfield> will change each time it is + <structfield>ctid</structfield> will change if it is updated or moved by <command>VACUUM FULL</>. Therefore <structfield>ctid</structfield> is useless as a long-term row identifier. The OID, or even better a user-defined serial -- GitLab