I've just tested in Master 9cae77f262, It seems to works fine many thanks for the explanation
Regards Alessandro Pasotti-2 wrote > On Tue, Oct 16, 2018 at 1:06 PM Antongeo76 < > antoviscomi@ > > wrote: > >> Alessandro Pasotti-2 wrote >> > May be related to https://issues.qgis.org/issues/20094 >> > >> > See also: https://github.com/qgis/QGIS/pull/8200 >> > >> > On Tue, Oct 16, 2018 at 12:50 PM Antongeo76 < >> >> > antoviscomi@ >> >> > > wrote: >> > >> >> Hi, >> >> >> >> This slowness is also present in QGIS 2.18 as well as in QGIS 3.2.3 >> >> and also occurs with fewer features in shapefiles (15000-16000 are >> >> enough), >> >> slowness increases as the number of unsaved editing operations >> increases. >> >> >> >> With the "attribute table" opened, even "merge elements" or "split >> >> feature" >> >> operations, >> >> cause some problems (i.e. the counting of the records and the >> selection >> >> of >> >> the same does not seem synchronized with these editing operations) >> >> and sometimes this cause freeze of QGIS >> >> >> >> >> >> >> >> >> >> >> >> ----- >> >> Antonio >> >> -- >> >> Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html >> >> _______________________________________________ >> >> Qgis-user mailing list >> >> >> >> > Qgis-user@.osgeo >> >> >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> > >> > >> > >> > -- >> > Alessandro Pasotti >> > w3: www.itopen.it >> > >> > _______________________________________________ >> > Qgis-user mailing list >> >> > Qgis-user@.osgeo >> >> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> >> Yes, it can be related but it does not happen only when the "field >> calculator" is used >> it happens even if you perform several 'manual' editing operations and >> save >> them after about an hour. >> >> > The bug I pointed to is not related to field calculator (the title is > misleading): field calculator just triggers it because it does a lot of > changes. > > > >> It gives me the feeling that there is a buffer overflow >> > > Buffer overflow would most probably lead to a crash, and this is not the > case. > > > -- > Alessandro Pasotti > w3: www.itopen.it > > _______________________________________________ > Qgis-user mailing list > Qgis-user@.osgeo > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user ----- Antonio -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user