Ah. Thanks.

Can I echo Richard's request for a back port?

-ramon.

> On 12 Dec. 2016, at 09:46, Randal Hale <rjh...@northrivergeographic.com> 
> wrote:
> 
> You're hitting a bug that exists in QGIS 2.16 and 2.18 - They are working on 
> a resolution. 
> See Below: 
> http://hub.qgis.org/issues/15847
> 
> 
>> On 12/11/2016 08:39 PM, custard wrote:
>> Hi All,
>> 
>> As a  mostly shape/tab file user, I've been attempting to experiment with 
>> spatialite dbs a bit recently, and am starting to get a bit more used to 
>> them. I'm hitting a problem with splitting objects though, and wondered if 
>> this annoyance counted as a bug?
>> 
>> If I have a spatialite layer and split an object, that's fine. But when I 
>> save the layer I get a "Could not commit changes to layer LayerName" banner. 
>> If I press "Show more" then I get something like this:
>> _____
>> Could not commit changes to layer layername
>> 
>> Errors: SUCCESS: 1 geometries were changed.
>> SUCCESS: 1 attribute value(s) changed.
>> ERROR: 4 feature(s) not added.
>> Provider errors:
>> SQLite error: UNIQUE constraint failed: LayerName.pkuid
>> SQL: INSERT INTO 
>> "layername"("geometry","pkuid","Code","Lith","Description","Quality","code1","lith1","description1","quality1")
>>  VALUES (ST_Multi(GeomFromWKB(?, 28351)),?,?,?,?,?,?,?,?,?)
>> ____
>> 
>> I'm not populaing the pkuid data, so I think QGIS is auto filling this.
>> I think that what's happening is that when QGIS splits the feature both new 
>> parts have the same pkuid number. Certainly if I go in manually and change 
>> the field I can save without errors.
>> If QGIS is auto filling this column, ought it not be handling the splitting 
>> case too?
>> 
>> Thoughts?
>> -ramon.
>> 
>> 
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> -- 
> ------------------------------------------------
> Randal Hale
> North River Geographic Systems, Inc
> http://www.northrivergeographic.com
> 423.653.3611 rjh...@northrivergeographic.com
> twitter:rjhale     http://about.me/rjhale
> http://www.northrivergeographic.com/introduction-to-quantum-gis
> https://www.facebook.com/NRGSInc
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