diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml index a32b8c3e24097645a517e96a9c0b3818dcb52752..ad8fb1b606736cf536800c88dfb40b728a280d25 100644 --- a/doc/src/sgml/release.sgml +++ b/doc/src/sgml/release.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.383 2005/10/03 02:21:16 momjian Exp $ +$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.384 2005/10/03 02:46:43 momjian Exp $ Typical markup: @@ -398,28 +398,28 @@ pg_[A-Za-z0-9_] <application> </para> <para> In previous releases, <function>nextval()</>, - <function>currval</>, and <function>setval()</> recorded - sequence names as simple text strings, meaning that renaming or - dropping a sequence used in a <command>DEFAULT</> made the - clause invalid. This release stores all newly-created sequence - function arguments using internal OIDs, allowing them to handle - sequence renaming, and adding dependency information that - prevents improper sequence removal. It also makes - <command>DEFAULT</> clauses immune to schema search - path changes. + <function>currval</>, and <function>setval()</> recorded sequence + names as simple text strings, meaning that renaming or dropping a + sequence used in a <command>DEFAULT</> clause made the clause + invalid. This release stores all newly-created sequence function + arguments as internal OIDs, allowing them to handle sequence + renaming, and adding dependency information that prevents + improper sequence removal. It also makes <command>DEFAULT</> + clauses immune to schema search path changes, and allows schema + renaming. </para> <para> Some applications might rely on the old text-based behavior of - run-time lookup of the sequence name. This can still be done by + run-time lookup for sequence names. This can still be done by casting the argument to <type>text</>, for example <literal>nextval('myseq'::text)</>. </para> <para> Pre-8.1 schemas loaded into 8.1 will use the previous, text-based - representation and therefore will not have these protections. - However, it is possible to upgrade a database to the newer - OID-based arguments. First, save this query into a file, such as - <filename>fixseq.sql</>: + representation and therefore will not have the features of + OID-stored arguments. However, it is possible to upgrade a + database loaded with pre-8.1 schemas. First, save this query into + a file, such as <filename>fixseq.sql</>: <programlisting> SELECT 'ALTER TABLE ' || pg_catalog.quote_ident(n.nspname) || '.' ||