`pgv_list()` |`table(package text, name text)`

`pgv_stats()` |`table(package text, used_memory bigint)`

Note that**pgv_stats()** works only with the PostgreSQL 9.6 and newer.

It is easy to use functions to work with scalar variables:

</tbody>

</tgroup>

</informaltable>

<para>

Note that <literal>pgv_stats()</literal> works only with the

PostgreSQL 9.6 and newer.

</para>

</sect3>

</sect2>

<sect2 id="pg-variables-examples">