diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml index 22c2bd52b135398acde9f138d77a9d7af21c60f7..4a6793e02949456ae76b3492fedfb0653e4c39c8 100644 --- a/doc/src/sgml/release.sgml +++ b/doc/src/sgml/release.sgml @@ -1,5 +1,5 @@ @@ -30,21 +30,22 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.343 2005/08/23 12:46:35 momjian This was accomplished by eliminating global locks and using a clock - sweep algorithm to find free buffers. + sweep algorithm to find free buffers. This increases scalability + on multi-CPU systems. - Allow indexes to be used for MIN/MAX (Tom) + Automatically use indexes for MIN() and MAX() (Tom) - In previous releases, the only way to use index for MIN/MAX was to rewrite - the query as SELECT col FROM tab ORDER BY col LIMIT 1. This now happens - automatically. + In previous releases, the only way to use an index for MIN/MAX + was to rewrite the query as SELECT col FROM tab ORDER BY col + LIMIT 1. Index usage now happens automatically.