Can I echo Richard's request for a back port?
> On 12 Dec. 2016, at 09:46, Randal Hale <rjh...@northrivergeographic.com>
> You're hitting a bug that exists in QGIS 2.16 and 2.18 - They are working on
> a resolution.
> See Below:
>> 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
>> 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?
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> Randal Hale
> North River Geographic Systems, Inc
> 423.653.3611 rjh...@northrivergeographic.com
> twitter:rjhale http://about.me/rjhale
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