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More release note wording improvements.

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Bruce Momjian 2007-10-20 16:41:09 +00:00
parent 7b98f6be6e
commit 1ba96ef04f
1 changed files with 40 additions and 30 deletions
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doc/src/sgml/release.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.528 2007/10/19 01:56:06 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.529 2007/10/20 16:41:09 momjian Exp $ -->
<!--
Typical markup:
@ -91,14 +91,13 @@ do it for earlier branch release files.
<listitem>
<para>
Control over whether <literal>NULL</>s sort first or last, using
<literal>ORDER BY ... NULLS FIRST/LAST</>
Control over whether <literal>NULL</>s sort first or last
</para>
</listitem>
<listitem>
<para>
Updatable cursors using <literal>UPDATE/DELETE WHERE CURRENT OF</>
Updatable cursors
</para>
</listitem>
@ -124,17 +123,14 @@ do it for earlier branch release files.
<listitem>
<para>
Numerous improvements in logging and statistics collection,
including the ability to emit postmaster log messages in
<acronym>CSV</> format, which can be loaded into a database
table for analysis
Numerous improvements in logging and statistics collection
</para>
</listitem>
<listitem>
<para>
Support Security Service Provider Interface (SSPI) on
authentication for Windows and GSSAPI
Support Security Service Provider Interface (<acronym>SSPI</>) for
authentication on Windows
</para>
</listitem>
@ -163,8 +159,8 @@ do it for earlier branch release files.
<listitem>
<para>
Asynchronous commit option allows transactions to be committed
but on-disk changes to be delayed
Asynchronous commit allows transactions to be committed but on-disk
changes to be delayed
</para>
</listitem>
@ -487,8 +483,8 @@ do it for earlier branch release files.
<listitem>
<para>
Asynchronous commit option allows transactions to be committed
but on-disk changes to be delayed (Simon)
Asynchronous commit allows transactions to be committed but on-disk
changes to be delayed (Simon)
</para>
<para>
@ -526,14 +522,14 @@ do it for earlier branch release files.
</para>
<para>
To allow high concurrency <productname>PostgreSQL</> retains old
versions of updated rows. Previously only <command>VACUUM</>
could reuse space taken by dead rows. With <acronym>HOT</> dead
row space can be reused at the time of <command>UPDATE</> or
<command>INSERT</>. This allows for more consistent performance.
<acronym>HOT</> even allows deleted row space reuse.
<command>UPDATE</> space reuse is only possible if no modified
columns are indexed.
To allow high concurrency <command>UPDATE</> creates a new tuple,
rather than replacing the old tuple. Previously only
<command>VACUUM</> could reuse space taken by old tuples. With
<acronym>HOT</> dead tuple space can be reused at the time of
<command>UPDATE</> or <command>INSERT</>. This allows for more
consistent performance. <acronym>HOT</> even allows deleted row
space reuse. <acronym>HOT</> space reuse is not possible if
<command>UPDATE</> changes indexed columns.
</para>
</listitem>
@ -627,8 +623,9 @@ do it for earlier branch release files.
</para>
<para>
This is done by scanning the table and using a filter to save
the few requested rows, rather than sorting the entire table.
This is done by sequentially scanning the table and using a filter
to save the few requested rows, rather than sorting the entire
table. This is used if there is no matching index.
</para>
</listitem>
@ -694,8 +691,13 @@ do it for earlier branch release files.
<listitem>
<para>
Support Security Service Provider Interface (SSPI)
authentication on Windows (Magnus)
Support Security Service Provider Interface (<acronym>SSPI</>) for
authentication on Windows
</para>
<para>
This also adds support for the <acryonym>GSSAPI</> authentication
<acronym>API</>.
</para>
</listitem>
@ -740,6 +742,10 @@ do it for earlier branch release files.
Allow logfile creation in CSV format (Arul Shaji, Greg Smith,
Andrew Dunstan)
</para>
<para>
The CSV file can be loaded into a database table for analysis.
</para>
</listitem>
<listitem>
@ -1004,8 +1010,11 @@ do it for earlier branch release files.
<listitem>
<para>
Control over whether <literal>NULL</>s sort first or last, using
<literal>ORDER BY ... NULLS FIRST/LAST</> (Teodor, Tom)
Control over whether <literal>NULL</>s sort first or last (Teodor, Tom)
</para>
<para>
The syntax is <literal>ORDER BY ... NULLS FIRST/LAST</>.
</para>
</listitem>
@ -1031,8 +1040,9 @@ do it for earlier branch release files.
</para>
<para>
This eliminates the need to reference a primary key to update or
delete rows returned by a cursor.
This eliminates the need to reference a primary key to
<command>UPDATE</> or <command>DELETE</> rows returned by a cursor.
The syntax is <literal>UPDATE/DELETE WHERE CURRENT OF</>.
</para>
</listitem>