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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">There should be a method renameAttribute as part of QgsVectorLayer class.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">You can do something like that:<o:p></o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:10.0pt;font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm"><o:p> </o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:10.0pt;font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm">layer = iface.activeLayer()<o:p></o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:10.0pt;font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm">for field in layer.pendingFields():<o:p></o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:10.0pt;font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm"> if field.name() == 'old':<o:p></o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:10.0pt;font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm"> with edit(layer):<o:p></o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:10.0pt;font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm"> idx = layer.fieldNameIndex(field.name())<o:p></o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:10.0pt;font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm"> layer.renameAttribute(idx, 'new')</span><span style="font-size:10.0pt;font-family:"var(--ff-mono)",serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Good luck!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Marian<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Qgis-user <qgis-user-bounces@lists.osgeo.org>
<b>On Behalf Of </b>Ursula Heinze<br>
<b>Sent:</b> June 1, 2021 5:26 AM<br>
<b>To:</b> Qgis-user@lists.osgeo.org<br>
<b>Subject:</b> [EXT] [Qgis-user] Rename column<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="line-height:12.0pt;background:#FFEB9C"><span lang="DE" style="font-size:10.0pt;color:#9C6500">CAUTION:</span><span lang="DE" style="font-size:10.0pt;color:black"> This email originated from outside of the organization. If you do
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<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="DE">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE">I have a little problem with the field calculator. I want to rename a column, and I don´t find any way to do it.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE">Now I tried to copy the field values in a new column with the right name, and am also not successful. Has anybody an idea for me, how to solve the problem? Many thanks in advance!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE">Ursula Heinze<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE">Gesendet von <a href="https://urldefense.com/v3/__https:/go.microsoft.com/fwlink/?LinkId=550986__;!!P0kg3YazkQ!W94jRKLCVMrbhztEtw9jiDUPiECzoEscG5JxdIsa3_vpvGZuh4v0QGxdDJLtJD0Tmg$">
Mail</a> für Windows 10<o:p></o:p></span></p>
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