New answers tagged bug
You experience the limitations of the csv driver. Saving as shapefile and working on with that is really the best opportunity. For the data type issue, you can create a csvt file to predefine the data type of the columns: http://www.gdal.org/drv_csv.html http://anitagraser.com/2011/03/07/how-to-specify-data-types-of-csv-columns-for-use-in-qgis/ You have ...
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