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Change to uppercase all tables data


How to join data in postgis tables to form layer with subset of attributesQGIS Raster Calculator: Need values to be set to 0 instead of no dataQGIS Vector Data with blank attribute tablesGetting layers to html with mouseover for all layers?How to open and save QGIS datasource with/to lower case fields?Using Title Case on Everything Except Last 2 CharactersUpdating attribute field with random string valueJoin Multiple Tables to a Spatial Map without using DatabaseExpression to change an attribute each X number of rowsSQL query : finding a word in a shapefile






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








2















I have 190 layers in shape file with attribute filled in lower case. I want to change data of all tables in uppercase using Qgis.



I am able do to do it one by one using upper in expression.



How to do for all layers in one go?










share|improve this question




























    2















    I have 190 layers in shape file with attribute filled in lower case. I want to change data of all tables in uppercase using Qgis.



    I am able do to do it one by one using upper in expression.



    How to do for all layers in one go?










    share|improve this question
























      2












      2








      2








      I have 190 layers in shape file with attribute filled in lower case. I want to change data of all tables in uppercase using Qgis.



      I am able do to do it one by one using upper in expression.



      How to do for all layers in one go?










      share|improve this question














      I have 190 layers in shape file with attribute filled in lower case. I want to change data of all tables in uppercase using Qgis.



      I am able do to do it one by one using upper in expression.



      How to do for all layers in one go?







      qgis qgis-3






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 1 hour ago









      Sachin KumarSachin Kumar

      15012




      15012




















          1 Answer
          1






          active

          oldest

          votes


















          1














          You need to use pyqgis to loop over all the field names to change their case to uppercase.



          The following snippet can be used to change all field names in one shapefile into uppercase



          uri = r"F:AhmadTestPTCities.shp"
          vlayer = iface.addVectorLayer(uri, "cities", "ogr")
          for field in vlayer.fields():
          name = field.name()
          with edit(vlayer):
          idx = vlayer.fields().indexFromName(name)
          vlayer.renameAttribute(idx, name.upper())

          del vlayer


          Before:



          enter image description here



          After running the code:



          enter image description here



          The above code was used inside QGIS 3.4.5 with pyqgis 3. If you want to loop over the 190 shapefile, you need to use os.walk().






          share|improve this answer























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            1 Answer
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            active

            oldest

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            active

            oldest

            votes









            1














            You need to use pyqgis to loop over all the field names to change their case to uppercase.



            The following snippet can be used to change all field names in one shapefile into uppercase



            uri = r"F:AhmadTestPTCities.shp"
            vlayer = iface.addVectorLayer(uri, "cities", "ogr")
            for field in vlayer.fields():
            name = field.name()
            with edit(vlayer):
            idx = vlayer.fields().indexFromName(name)
            vlayer.renameAttribute(idx, name.upper())

            del vlayer


            Before:



            enter image description here



            After running the code:



            enter image description here



            The above code was used inside QGIS 3.4.5 with pyqgis 3. If you want to loop over the 190 shapefile, you need to use os.walk().






            share|improve this answer



























              1














              You need to use pyqgis to loop over all the field names to change their case to uppercase.



              The following snippet can be used to change all field names in one shapefile into uppercase



              uri = r"F:AhmadTestPTCities.shp"
              vlayer = iface.addVectorLayer(uri, "cities", "ogr")
              for field in vlayer.fields():
              name = field.name()
              with edit(vlayer):
              idx = vlayer.fields().indexFromName(name)
              vlayer.renameAttribute(idx, name.upper())

              del vlayer


              Before:



              enter image description here



              After running the code:



              enter image description here



              The above code was used inside QGIS 3.4.5 with pyqgis 3. If you want to loop over the 190 shapefile, you need to use os.walk().






              share|improve this answer

























                1












                1








                1







                You need to use pyqgis to loop over all the field names to change their case to uppercase.



                The following snippet can be used to change all field names in one shapefile into uppercase



                uri = r"F:AhmadTestPTCities.shp"
                vlayer = iface.addVectorLayer(uri, "cities", "ogr")
                for field in vlayer.fields():
                name = field.name()
                with edit(vlayer):
                idx = vlayer.fields().indexFromName(name)
                vlayer.renameAttribute(idx, name.upper())

                del vlayer


                Before:



                enter image description here



                After running the code:



                enter image description here



                The above code was used inside QGIS 3.4.5 with pyqgis 3. If you want to loop over the 190 shapefile, you need to use os.walk().






                share|improve this answer













                You need to use pyqgis to loop over all the field names to change their case to uppercase.



                The following snippet can be used to change all field names in one shapefile into uppercase



                uri = r"F:AhmadTestPTCities.shp"
                vlayer = iface.addVectorLayer(uri, "cities", "ogr")
                for field in vlayer.fields():
                name = field.name()
                with edit(vlayer):
                idx = vlayer.fields().indexFromName(name)
                vlayer.renameAttribute(idx, name.upper())

                del vlayer


                Before:



                enter image description here



                After running the code:



                enter image description here



                The above code was used inside QGIS 3.4.5 with pyqgis 3. If you want to loop over the 190 shapefile, you need to use os.walk().







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 26 mins ago









                ahmadhanbahmadhanb

                24.5k32257




                24.5k32257



























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