Update hash warning in manual.

diff --git a/doc/src/sgml/indices.sgml b/doc/src/sgml/indices.sgml
index 6317e4ea7499c267bf80e3660e703b4f2dcf0068..214764a4a6c66b96b9c7f65221575c91fb3a5b67 100644 (file)
--- a/doc/src/sgml/indices.sgml
+++ b/doc/src/sgml/indices.sgml
@@ -1,4 +1,4 @@
-<!-- $Header: /cvsroot/pgsql/doc/src/sgml/indices.sgml,v 1.32 2002/06/21 03:25:53 momjian Exp $ -->
+<!-- $Header: /cvsroot/pgsql/doc/src/sgml/indices.sgml,v 1.33 2002/06/21 16:52:00 momjian Exp $ -->
 
 <chapter id="indexes">
  <title id="indexes-title">Indexes</title>
@@ -181,9 +181,10 @@ CREATE INDEX <replaceable>name</replaceable> ON <replaceable>table</replaceable>
 </synopsis>
    <note>
     <para>
-     Testing has shown that hash indexes are slower than btree indexes,
-     and the size and build time for hash indexes is much worse. For
-     these reasons, hash index use is discouraged.
+     Testing has shown hash indexes to be similar or slower than btree
+     indexes, and the index size and build time for hash indexes is much
+     worse. Hash indexes also suffer poor performance under high
+     concurrency. For these reasons, hash index use is discouraged.
     </para>
    </note>  
   </para>

diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml
index 6bb972e988e98f3c74d6e550a2f613db8b0161cc..62963c21724d680aa2124c167c9d8c8990400c80 100644 (file)
--- a/doc/src/sgml/ref/create_index.sgml
+++ b/doc/src/sgml/ref/create_index.sgml
@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_index.sgml,v 1.32 2002/06/21 03:25:53 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_index.sgml,v 1.33 2002/06/21 16:52:00 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -330,9 +330,10 @@ ERROR: Cannot create index: 'index_name' already exists.
     the <literal>=</literal> operator.
    </para>
    <para>
-     Testing has shown that hash indexes are slower than btree indexes,
-     and the size and build time for hash indexes is much worse. For
-     these reasons, hash index use is discouraged.
+     Testing has shown hash indexes to be similar or slower than btree
+     indexes, and the index size and build time for hash indexes is much
+     worse. Hash indexes also suffer poor performance under high
+     concurrency. For these reasons, hash index use is discouraged.
    </para>
 
    <para>