<div dir="ltr"><p style="background-color:transparent;border:0px none rgb(36,39,41);box-sizing:border-box;clear:both;color:rgb(36,39,41);font-size:15px;font-stretch:100%;font-variant-numeric:normal;font-variant-east-asian:normal;line-height:19.5px;margin:0px 0px 15px;padding:0px;vertical-align:baseline">I have an empty polygon table in postgress/PostGIS database with fields (<code style="background-color:rgb(239,240,241);border:0px none rgb(36,39,41);box-sizing:border-box;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:13px;line-height:16.9px;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;margin:0px;padding:1px 5px;vertical-align:baseline;white-space:pre-wrap">id</code>,<code style="background-color:rgb(239,240,241);border:0px none rgb(36,39,41);box-sizing:border-box;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:13px;line-height:16.9px;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;margin:0px;padding:1px 5px;vertical-align:baseline;white-space:pre-wrap">field_1</code>).</p><span style="background-color:transparent;color:rgb(36,39,41);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:15px;line-height:19.5px;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif">

</span><p style="background-color:transparent;border:0px none rgb(36,39,41);box-sizing:border-box;clear:both;color:rgb(36,39,41);font-size:15px;font-stretch:100%;font-variant-numeric:normal;font-variant-east-asian:normal;line-height:19.5px;margin:0px 0px 15px;padding:0px;vertical-align:baseline">after some processing in QGIS using pyqgis and processing toolbar I create some temporary layer like this case :</p><span style="background-color:transparent;color:rgb(36,39,41);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:15px;line-height:19.5px;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif">

</span><pre class="gmail-default gmail-prettyprint gmail-prettyprinted" style="background-color:rgb(239,240,241);border:0px none rgb(57,51,24);border-radius:3px;box-sizing:border-box;color:rgb(57,51,24);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:13px;line-height:16.9px;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;margin-top:0px;margin-bottom:13px;max-height:600px;overflow:auto;padding:12px 8px;vertical-align:baseline;width:675px"><code style="border:0px none rgb(57,51,24);box-sizing:border-box;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;margin:0px;padding:0px;vertical-align:baseline"><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">outputs_GDALOGRPOLYGONIZE_1</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">=</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">processing</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">.</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">runalg</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">(</span><span class="gmail-str" style="border:0px none rgb(125,39,39);box-sizing:border-box;color:rgb(125,39,39);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">'gdalogr:polygonize'</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">,</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline"> raster</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">,</span><span class="gmail-str" style="border:0px none rgb(125,39,39);box-sizing:border-box;color:rgb(125,39,39);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">'DN'</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">,</span><span class="gmail-kwd" style="border:0px none rgb(16,16,148);box-sizing:border-box;color:rgb(16,16,148);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">None</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">)</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">
outputs_GDALOGRCLIPVECTORSBYPOLYGON_1</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">=</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">processing</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">.</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">runalg</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">(</span><span class="gmail-str" style="border:0px none rgb(125,39,39);box-sizing:border-box;color:rgb(125,39,39);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">'gdalogr:clipvectorsbypolygon'</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">,</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline"> outputs_GDALOGRPOLYGONIZE_1</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">[</span><span class="gmail-str" style="border:0px none rgb(125,39,39);box-sizing:border-box;color:rgb(125,39,39);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">'OUTPUT'</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">],</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">cut</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">,</span><span class="gmail-kwd" style="border:0px none rgb(16,16,148);box-sizing:border-box;color:rgb(16,16,148);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">None</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">,</span><span class="gmail-pln" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">clip</span><span class="gmail-pun" style="border:0px none rgb(48,51,54);box-sizing:border-box;color:rgb(48,51,54);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:16.9px;margin:0px;padding:0px;vertical-align:baseline">)</span></code></pre><span style="background-color:transparent;color:rgb(36,39,41);font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:15px;line-height:19.5px;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif">

</span><p style="background-color:transparent;border:0px none rgb(36,39,41);box-sizing:border-box;clear:both;color:rgb(36,39,41);font-size:15px;font-stretch:100%;font-variant-numeric:normal;font-variant-east-asian:normal;line-height:19.5px;margin:0px 0px 15px;padding:0px;vertical-align:baseline">how to add the temporary layer <code style="background-color:rgb(239,240,241);border:0px none rgb(36,39,41);box-sizing:border-box;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:13px;line-height:16.9px;font-family:Consolas,Menlo,Monaco,"Lucida Console","Liberation Mono","DejaVu Sans Mono","Bitstream Vera Sans Mono","Courier New",monospace,sans-serif;margin:0px;padding:1px 5px;vertical-align:baseline;white-space:pre-wrap">outputs_GDALOGRPOLYGONIZE_1['OUTPUT']</code> into the empty polygon table from PostGIS table using pyqgis?</p></div>