Can't use the field calc bar without having to leave the attribute table? Run the selection Use the bar Run different selection etc
On Fri, Apr 8, 2016 at 10:31 PM, Neumann, Andreas <[email protected]> wrote: > Yeah - I know about the CASE WHEN possibility, which is great if you want > to do it all in one statement, but I think the WHERE section would still be > useful for people familiar with databases and who want to set different > values to different subsets one by one, without having to leave the field > calculator. > > Andreas > > On 2016-04-08 14:09, DelazJ wrote: > > Hi, > Andreas, what about using a CASE WHEN ... THEN...( ELSE ...) END function? > > 2016-04-08 13:53 GMT+02:00 Neumann, Andreas <[email protected]>: > >> Hi, >> >> Would it be possible to add a "WHERE" clause to the field calculator? >> Currently, if you want to update a subset of the records you would have to >> do a two-step producedure: >> >> 1. Make a selection >> >> 2. Open field calculator and use the checkbox "only update selected >> features". >> >> I think, in some workflows it would be more efficient if one had a text >> input area where one can enter a WHERE clause and the field calculator >> would respect the WHERE clause, if filled in. It would reduce the two-step >> operation into a one or 1.5 step operation, so more efficient. If you have >> to update based on multiple different subsets it would be even more >> efficient. >> >> Would this be a useful enhancement to more users? Esp. for those who know >> SQL ;-) ? >> >> Thanks and greetings, >> >> Andreas >> >> >> _______________________________________________ >> Qgis-developer mailing list >> [email protected] >> List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer >> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer > > > > > _______________________________________________ > Qgis-developer mailing list > [email protected] > List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer >
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