<div dir="ltr">Yes you can use the aggregate processing tool.<div><br></div><div>You can use a variety of aggregation functions to get the required outputs, but the tool configuration may vary on input data.</div><div><br></div><div>If the tool gives you errors, the usual culprit is data type errors. QGIS is very clever though, and you can use an expression to preprocess the field input, and if you specify the output field type it will try to cast it for you during processing.</div><div><br></div><div>Example screenshot: <a href="https://imgur.com/a/vPohdLd">https://imgur.com/a/vPohdLd</a></div><div><br></div><div>In this example I take an input field and convert it to a string value, concatenate the inputs for all matching geometries into a single field, and outputs the value as an integer.</div><div><br></div><div>Hope that helps.</div><div><br></div><div>Regards</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 26 Jan 2021 at 18:03, krishna Ayyala <<a href="mailto:ayyalakrishna@gmail.com">ayyalakrishna@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I have a polygons shapefile as shown below.<div><br></div><div><img src="cid:ii_kke6j8k80" alt="image.png" width="186" height="302" style="margin-right: 0px;"><br></div><div><br></div><div>Is it possible to dissolve these polygons and get a resultant shapefile with an attribute table such as below?i.e. it should have only one polygonName and all of its associated fields.</div><div><br></div><div><table border="0" cellpadding="0" cellspacing="0" width="185" style="border-collapse:collapse;width:139pt">
<colgroup><col width="95" style="width:71pt">
<col width="45" span="2" style="width:34pt">
</colgroup><tbody><tr height="20" style="height:15pt">
<td height="20" width="95" style="height:15pt;width:71pt;border:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">PolygonName</td>
<td width="45" style="border-left:none;width:34pt;border-top:0.5pt solid windowtext;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">Field1</td>
<td width="45" style="border-left:none;width:34pt;border-top:0.5pt solid windowtext;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">Field2</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" style="height:15pt;border-top:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">A</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">1</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">2</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" style="height:15pt;border-top:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">B</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">3</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">4</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" style="height:15pt;border-top:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">C</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">5</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">6</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" style="height:15pt;border-top:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">D</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">7</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">8</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" style="height:15pt;border-top:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">E</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">9</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">10</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" style="height:15pt;border-top:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;border-left:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">F</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">11</td>
<td align="right" style="border-top:none;border-left:none;border-right:0.5pt solid windowtext;border-bottom:0.5pt solid windowtext;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-size:11pt;font-family:Calibri,sans-serif;vertical-align:bottom;white-space:nowrap">12</td>
</tr>
</tbody></table></div></div>
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