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Update predicate locking text.

This commit is contained in:
Bruce Momjian 2006-09-03 01:59:09 +00:00
parent 1d4abf2175
commit d387a07050
1 changed files with 3 additions and 3 deletions
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6
doc/src/sgml/mvcc.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/mvcc.sgml,v 2.57 2006/08/25 04:06:45 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/mvcc.sgml,v 2.58 2006/09/03 01:59:09 momjian Exp $ -->
<chapter id="mvcc">
<title>Concurrency Control</title>
@ -469,9 +469,9 @@ SELECT SUM(value) FROM mytab WHERE class = 2;
transaction. And this large expense is mostly wasted, since in
practice most applications do not do the sorts of things that could
result in problems. (Certainly the example above is rather contrived
and unlikely to represent real software.) Accordingly,
and unlikely to represent real software.) For these reasons,
<productname>PostgreSQL</productname> does not implement predicate
locking, and so far as we are aware no other production DBMS does either.
locking.
</para>
<para>