On Wed, May 23, 2018 at 12:41 PM, Moritz Lennert < [email protected]> wrote: > > > > Am 23. Mai 2018 12:23:45 MESZ schrieb Stefan Blumentrath < [email protected]>: > >Ciao Vero, > > > >Unfortunately, it seems you have to create a new table with desired > >column order, copy data into it (INSERT INTO FROM SELECT) and then link > >the new table to your vector map (v.db.connect)…: > > https://stackoverflow.com/questions/20574113/sqlite3-how-to-reorder-columns-in-a-table > > Personally I would consider this as a bug. v.patch should match columns by names and type > not order. But I haven't looked at the code yet to understand what this would entail.
in theory this (ignore order, check name+type match) is easy to implement. Please open a ticket. Markus M > > Moritz > > > > > >Note that SQLite will launder column names to lower case if you don`t > >quote them. Then they may not match even if in proper order > >(speculating here)… > > > >Cheers > >Stefan > > > >From: grass-user <[email protected]> On Behalf Of > >Veronica Andreo > >Sent: onsdag 23. mai 2018 12.12 > >To: grass-user <[email protected]> > >Subject: [GRASS-user] reorder columns in vector attribute table > > > >Hi all, > > > >I want to use v.patch -e to patch geometries and attributes of polygon > >maps belonging to different states in Australia and the column names in > >the attr tables are the same (they only vary in the order in which they > >are) but when making an attempt, I get: > > > >v.patch -e input=act_bushfire_2012_2017,tas_bushfire_2012_2017 > >output=test > >ERROR: Column names differ > > > >Column names here: > > > >v.db.select tas_bushfire_2012_2017 | head > >cat|FIRE_TYPE|OBJECTID|START_DATE|END_DATE|STATE|AREA_ha|PERIMETER_km > > > >v.db.select act_bushfire_2012_2017 > >cat|OBJECTID|FIRE_TYPE|START_DATE|END_DATE|STATE|AREA_ha|PERIMETER_km > > > >only OBJECTID and FIRE_TYPE are shifted. > > > >Is there an easy way to reorder columns in the attribute table of a > >vector map?? I thought v.patch would match column names in the attr > >table... > > > >Thanks much in advance, > >Vero > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user
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