I get the same kind of commit errors when I change geometry for any of my SQL
Spatial feature classes. I have traced the error back to the following error
message in QGIS (version 2.16.2):
A .NET Framework error occurred during execution of user-defined routine or
aggregate "geometry": System.FormatException: 24114: The label PointZ
(1994269.8154 in the input well-known text (WKT) is not valid. Valid labels are
POINT, LINESTRING, POLYGON, MULTIPOINT, MULTILINESTRING, MULTIPOLYGON,
GEOMETRYCOLLECTION, CIRCULARSTRING, COMPOUNDCURVE, CURVEPOLYGON and FULLGLOBE
(geography Data Type only). System.FormatException: at
Microsoft.SqlServer.Types.OpenGisTypes.ParseLabel(String input) at
at Microsoft.SqlServer.Types.WellKnownTextReader.Read(OpenGisType type, Int32
srid) at Microsoft.SqlServer.Types.SqlGeometry.GeometryFromText(OpenGisType
type, SqlChars text, Int32 srid) . [Microsoft][ODBC SQL Server Driver][SQL
Server]The statement has been terminated. QODBC3: Unable to execute statement.
My original geometry type is Point, and SQL Server does not recognize PointZ as
a geometry type. This tells me that QGIS might be attempting a geometry move in
SQL Server by updating the geometry field to the coordinates I move to, but
writing a PointZ type. I am not sure if it attempts the same kind of thing for
Linestring types (changing to LinestringZ for example).
I have this as an open question on GIS Stack Exchange: "Cannot commit simple
edit actions (move or change node) in MSSQL feature class in QGIS". I am hoping
a seasoned Python/QGIS developer can take a look at this, because I wouldn't
mind using QGIS regularly for editing features in my enterprise database (in
Sent: Thursday, September 15, 2016 5:31 AM
Subject: Qgis-user Digest, Vol 127, Issue 41
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Date: Thu, 15 Sep 2016 11:14:19 +1000
From: Johanna Botman
To: James Wood <jwood...@gmail.com<mailto:jwood...@gmail.com>>,
Subject: Re: [Qgis-user] Fail to commit changes to SQL database
Content-Type: text/plain; charset="utf-8"
We are using SQL 2014 SP2. I don't know if we are using ST_Geometry. I have
asked our consultant and he has not got back to me yet.
GIS / Assets Officer
Griffith City Council
Ph: 02 6962 8168
James Wood <jwood...@gmail.com<mailto:jwood...@gmail.com>> wrote on 15/09/2016
> From: James Wood <jwood...@gmail.com<mailto:jwood...@gmail.com>>
> To: Johanna Botman
> Cc: email@example.com<mailto:firstname.lastname@example.org>
> Date: 15/09/2016 12:43 AM
> Subject: Re: [Qgis-user] Fail to commit changes to SQL database
> I have seen similar behavior with SQL Server 2012, so I would be
> interested to hear from the user community as well.
> What version of SQL and is this SQL Spatial (ST Geometry)?
> Sent from my iPhone
> On Sep 13, 2016, at 22:42, Johanna Botman
> > wrote:
> I'm working on a [road] line layer and changing the geometry so that
> it matches the aerial image. I can make some changes and save them,
> but then suddenly I can't save anymore changes.
> In the yellow line at the top of the canvas it says Commit Errors:
> Could not commit changes to layer [road]. When I click the 'show more'
> it simply says 'Errors: ERROR: [x] geometries not changed'
> I can shut QGIS down and restart it. Then I still cannot change that
> last geometry that caused the issue, but I can change others until I
> get that message again. I have rebooted my machine and I made a little
> more progress but still come up against the error.
> My research in stack exchange yielded nothing in relation to SQL
> server, but I asked our IT to have a look at the logs anyway. They
> said there was nothing in the SQL logs either.
> I am using QGIS 2.14.4 and this particular table is on a SQL server.
> Any ideas?
> Johanna Botman
> GIS / Assets Officer
> Griffith City Council
> Ph: 02 6962 8168
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