DBI is version 1.631, DBD::Pg is version 3.4.2
client_encoding=UTF8, server_encoding=UTF8
LANG=de_DE.UTF-8
LANGUAGE=
LC_CTYPE="de_DE.UTF-8"
LC_NUMERIC="de_DE.UTF-8"
LC_TIME="de_DE.UTF-8"
LC_COLLATE="de_DE.UTF-8"
LC_MONETARY="de_DE.UTF-8"
LC_MESSAGES="de_DE.UTF-8"
LC_PAPER="de_DE.UTF-8"
LC_NAME="de_DE.UTF-8"
LC_ADDRESS="de_DE.UTF-8"
LC_TELEPHONE="de_DE.UTF-8"
LC_MEASUREMENT="de_DE.UTF-8"
LC_IDENTIFICATION="de_DE.UTF-8"
LC_ALL=
-------------------
test1 is successful on DBI readback.
psql raw results: <table border="1">
  <tr>
    <th align="center">test</th>
  </tr>
  <tr valign="top">
    <td align="left">ascii</td>
  </tr>
</table>
<p>(1 Zeile)<br />
</p>

test1 is successful on psql readback.
test2 is successful on DBI readback.
psql raw results: <table border="1">
  <tr>
    <th align="center">test</th>
  </tr>
  <tr valign="top">
    <td align="left">äöüÃÃÃÃ</td>
  </tr>
</table>
<p>(1 Zeile)<br />
</p>

test2 failed on psql readback. Got äöüßÄÖÜ where äöüßÄÖÜ was expected.