</para>

<para>

This only works if <literal>max_wal_senders=0</literal>

and <literal>wal_level=minimal</literal>.

This only works if <literal>max_wal_senders =0</literal>

and <literal>wal_level =minimal</literal>.

</para>

</listitem>

</para>

<para>

In some cases a partitionchild tablecould appear more than once.

In some cases a partition could appear more than once.

</para>

</listitem>

When applying <link

linkend="functions-datetime-zoneconvert"><literal>AT

TIME ZONE</literal></link> to a <type>time with time zone</type>

value, use the transaction start timenotwall clock time to

determine whether DST applies (Aleksander Alekseev, Tom Lane)

value, use the transaction start timerather thanwall clock time

todetermine whether DST applies (Aleksander Alekseev, Tom Lane)

</para>

<para>

<listitem>

<para>

Adjust <application>psql</application> so that Readline's

Adjust <application>psql</application> so

that <application>Readline</application>'s

meta-<literal>#</literal> command will insert a double-hyphen

comment marker (Tom Lane)

</para>

<para>

Previously a pound marker was inserted,but that's pretty

unhelpful in SQL.

Previously a pound marker was inserted,unless the user had taken

the trouble to configure a non-default comment marker.

</para>

</listitem>

</para>

<para>

New options are <literal>server</literal> to write the

The new options are <literal>server</literal> to write the

backup locally and <literal>blackhole</literal> to discard the

backup (for testing).

</para>

<para>

Previously such files were left in the current directory,

requiring manual cleanup. It's still necessary to remove them

manually afterwards, but now one can just remove that whole

subdirectory.

requiring manual cleanup. Now they are automatically removed on

successful completion of <application>pg_upgrade</application>.

</para>

</listitem>

<listitem>

<para>

Make <application>pg_upgrade</application> preserve tablespace

and database OIDs, as well astable relfilenode numbers

and database OIDs, as well asrelation relfilenode numbers

(Shruthi KC, Antonin Houska)

</para>

</listitem>