diff options
| -rw-r--r-- | doc/src/sgml/ref/select.sgml | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml index 0f1ada97cb6..2165a63d4a1 100644 --- a/doc/src/sgml/ref/select.sgml +++ b/doc/src/sgml/ref/select.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/select.sgml,v 1.100 2007/05/15 19:13:55 neilc Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/select.sgml,v 1.101 2007/06/08 20:26:18 tgl Exp $ PostgreSQL documentation --> @@ -810,6 +810,14 @@ OFFSET <replaceable class="parameter">start</replaceable> to deliver the results of a query in any particular order unless <literal>ORDER BY</> is used to constrain the order. </para> + + <para> + It is even possible for repeated executions of the same <literal>LIMIT</> + query to return different subsets of the rows of a table, if there + is not an <literal>ORDER BY</> to enforce selection of a deterministic + subset. Again, this is not a bug; determinism of the results is + simply not guaranteed in such a case. + </para> </refsect2> <refsect2 id="SQL-FOR-UPDATE-SHARE"> |