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    Hi,<br>
    Not sure why the ArcGis logic does not work.  Any ways, try the
    following for your query. (You inverted your is null... and where
    asking QGIS to add 2 field in the label only when it is null and
    QGIS does not seem to do that.) <br>
    <br>
    Case When  "name_geo" is null then "ELEV" <b>else</b> "name_geo" ||
    "ELEV"  <b>end</b><br>
    <br>
    not<br>
    <br>
    CASE WHEN "name_geo" is null   THEN "NAME_GEO"   ||   "ELEV" <b> ELSE</b>
    "elev" <br>
    <br>
    Cheers!<br>
    Nicolas<br>
    <br>
    <div class="moz-cite-prefix">Le 2015-05-15 09:58, Irakli Ugulava
      [via OSGeo.org] a écrit :<br>
    </div>
    <blockquote style='border-left:2px solid #CCCCCC;padding:0 1em'
cite="mid:CALDcodX6m9bSd_NTY2aJwAkgDuq28+13mTEMS4mnuK_eaG2=OA@mail.gmail.com"
      type="cite">
      <div dir="ltr">For physical map need to label summits and
        elevation points, some of them have name some no, so I need to
        label them from different fields.
        <div><br>
        </div>
        <div>when I use expression :</div>
        <div><br>
        </div>
        <div>"NAME_GEO"   ||  "elev"</div>
        <div><br>
        </div>
        <div>It works, but summits with no names, (field "NAME_GEO" is
          empty), has no label at all, according to ArcGis logic they
          should have only elevation on labels.</div>
        <div><br>
        </div>
        <div>I try following expression  </div>
        <div>CASE WHEN "name_geo" is null   THEN "NAME_GEO"   ||  
          "ELEV"  ELSE "elev"</div>
        <div><br>
        </div>
        <div>but it return no labels at all.</div>
        <div><br>
        </div>
        <div>Thanks All<br clear="all">
          <div><br>
          </div>
          -- <br>
          <div class="gmail_signature">Irakli Ugulava
            <div>Senior GIS Expert, Cofounder <br>
              <div>GeoLand Ltd.</div>
              <div>3 Telegraph Cule-de-sac</div>
              <div>Tbilisi 0105, Georgia, </div>
              <div>Tel:  +995 32 922553</div>
              <div>Mob +995 99 172016</div>
              <div><br>
              </div>
            </div>
          </div>
        </div>
      </div>
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