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Clarify wording on when ctid is modified by VACUUM FULL.

This commit is contained in:
Bruce Momjian 2006-12-30 20:31:11 +00:00
parent cd44c23eb4
commit 24b1f14eae
1 changed files with 2 additions and 2 deletions
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4
doc/src/sgml/ddl.sgml
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@ -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