document fix of double counting and read/write count addition, per Peter
Geoghegan
<listitem>
<para>
- Add dirtied and written block counts to
- <application>pg_stat_statements</> (Robert Haas)
+ Add dirtied and written block counts and read/write times to
+ <application>pg_stat_statements</> (Robert Haas, Ants Aasma)
</para>
</listitem>
<listitem>
<para>
- Improve <application>pg_stat_statements</>' handling of
- <command>PREPARE</command>/<command>EXECUTE</command> statements
+ Prevent <application>pg_stat_statements</> from double-counting
+ <command>PREPARE</command> and <command>EXECUTE</command> commands
(Tom Lane)
</para>
</listitem>