For your information, with the big hint from Matthias in the last email, it's now fixed in 2.18.20. I checked in QGIS 3, it was working fine already.
2017-09-26 9:07 GMT-04:00 Matthias Kuhn <matth...@opengis.ch>: > For 2.18 it should be ok to make it /InOut/ (there was no return value > before, so it shouldn't break anything). > For 3.0 this can be made /Out/ as proposed. > > Matthias > > On 09/26/2017 12:06 PM, Luigi Pirelli wrote: > > there is a SIP specification error > > https://github.com/qgis/QGIS/blob/release-2_18/python/core/ > qgsvectorlayer.sip#L492 > > should be QString &msgError /out/ ); > > > > that's the reason that error is not returned in the python side => I > > suppose SIP would change C++ api in: > > msg = saveStyleToDatabase( name, description, useAsDefault, > uiFileContent) > > Luigi Pirelli > > > > ************************************************************ > ************************************** > > * Boundless QGIS Support/Development: lpirelli AT boundlessgeo DOT com > > * LinkedIn: https://www.linkedin.com/in/luigipirelli > > * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli > > * GitHub: https://github.com/luipir > > * Mastering QGIS 2nd Edition: > > * https://www.packtpub.com/big-data-and-business- > intelligence/mastering-qgis-second-edition > > ************************************************************ > ************************************** > > > > > > On 25 September 2017 at 16:21, kimaidou <kimai...@gmail.com> wrote: > >> I have tried another method > >> > >> * first add default style into DB via UI -> it works > >> > >> * the use console to create a new, not default, style > >> msg = '' > >> layer.saveStyleToDatabase( "a new style", "some description", False, > None, > >> msg ); > >> > >> It does not work (not new line created, and msg remains empty. No log > in the > >> database, which means NO query has been sent (I have change postgresql > >> config to log all requests). > >> > >> But the following method works > >> layer.listStylesInDatabase() > >> > >> And a new line appears in the postgresql log > >> 2017-09-25 16:19:18.248 CEST [8984] mdouchin@qgis LOG: 00000: > duration: > >> 0.217 ms statement: SELECT id,styleName,description FROM layer_styles > WHERE > >> NOT (f_table_catalog='qgis' AND f_table_schema='sup' AND > >> f_table_name='geo_commune' AND f_geometry_column='geom') ORDER BY > >> update_time DESC > >> > >> It seems the method saveStyleToDatabase returns with no error, which > can be > >> caused by 2 reasons > >> https://qgis.org/api/2.18/qgsvectorlayer_8cpp_source.html#l04347 > >> > >> 4369 this->exportNamedStyle( qmlDocument, msgError ); > >> 4370 if ( !msgError.isNull() ) > >> 4371 { > >> 4372 return; > >> 4373 } > >> 4374 qmlStyle = qmlDocument.toString(); > >> 4375 > >> 4376 this->exportSldStyle( sldDocument, msgError ); > >> 4377 if ( !msgError.isNull() ) > >> 4378 { > >> 4379 return; > >> 4380 } > >> > >> /me investigates > >> > >> 2017-09-25 15:50 GMT+02:00 Jorge Gustavo Pereira Bastos Rocha > >> <j...@di.uminho.pt>: > >>> > >>> Hi, > >>> > >>> It already happened to me. The first user to save a style became the > owner > >>> of the table. No other users were able to write on the layer_style > table, > >>> because there were DEFAULT PRIVILEGES defined. > >>> > >>> Can you check the postgrsql log to see if there is any problem related > >>> with permissions? > >>> > >>> Regards, > >>> > >>> Jorge Gustavo > >>> > >>> ________________________________________ > >>> De: QGIS-Developer [qgis-developer-boun...@lists.osgeo.org] em nome de > >>> kimaidou [kimai...@gmail.com] > >>> Enviado: 25 de Setembro de 2017 14:23 > >>> Para: Luigi Pirelli > >>> Cc: qgis-developer@lists.osgeo.org > >>> Assunto: Re: [QGIS-Developer] pyqgis - layer.saveDefaultStyle() for > >>> PostGIS layers > >>> > >>> Hi, > >>> > >>> @ Tom : I really would like to trust QGIS method instead of managing > >>> manually different providers. > >>> > >>> @ Luigi > >>> No error message, even worse : i got a message telling everything went > >>> well ;) > >>> > >>> layer.saveDefaultStyle() > >>> (u'The style dbname=\'qgis\' host=localhost port=5432 user=\'mdouchin\' > >>> sslmode=disable key=\'ogc_fid\' estimatedmetadata=true srid=2154 > >>> type=MultiPolygon table="sup"."geo_commune" (geom) sql= was updated in > the > >>> database.', True) > >>> > >>> But the line is not created in the layer_styles table. > >>> > >>> Michaƫl > >>> > >>> > >>> 2017-09-25 14:48 GMT+02:00 Luigi Pirelli > >>> <lui...@gmail.com<mailto:lui...@gmail.com>>: > >>> from the code: > >>> > >>> mLayer->saveStyleToDatabase and mLayer->saveDefaultStyle > >>> > >>> and in > >>> QString QgsMapLayer::saveDefaultStyle( bool & theResultFlag ) > >>> { > >>> return saveNamedStyle( styleURI(), theResultFlag ); > >>> } > >>> > >>> => seems you are doing correct. > >>> > >>> any log message? > >>> > >>> ****************************************** > >>> > >>> > >>> void QgsVectorLayerProperties::saveDefaultStyle_clicked() > >>> { > >>> apply(); > >>> QString errorMsg; > >>> if ( mLayer->dataProvider()->isSaveAndLoadStyleToDBSupported() ) > >>> { > >>> QMessageBox askToUser; > >>> askToUser.setText( tr( "Save default style to: " ) ); > >>> askToUser.setIcon( QMessageBox::Question ); > >>> askToUser.addButton( tr( "Cancel" ), QMessageBox::RejectRole ); > >>> askToUser.addButton( tr( "Local database" ), QMessageBox::NoRole ); > >>> askToUser.addButton( tr( "Datasource database" ), > QMessageBox::YesRole > >>> ); > >>> > >>> switch ( askToUser.exec() ) > >>> { > >>> case 0: > >>> return; > >>> case 2: > >>> mLayer->saveStyleToDatabase( "", "", true, "", errorMsg ); > >>> if ( errorMsg.isNull() ) > >>> { > >>> return; > >>> } > >>> break; > >>> default: > >>> break; > >>> } > >>> } > >>> > >>> bool defaultSavedFlag = false; > >>> errorMsg = mLayer->saveDefaultStyle( defaultSavedFlag ); > >>> if ( !defaultSavedFlag ) > >>> { > >>> QMessageBox::warning( this, tr( "Default Style" ), errorMsg ); > >>> } > >>> } > >>> Luigi Pirelli > >>> > >>> > >>> ************************************************************ > ************************************** > >>> * Boundless QGIS Support/Development: lpirelli AT boundlessgeo DOT com > >>> * LinkedIn: https://www.linkedin.com/in/luigipirelli > >>> * Stackexchange: http://gis.stackexchange.com/ > users/19667/luigi-pirelli > >>> * GitHub: https://github.com/luipir > >>> * Mastering QGIS 2nd Edition: > >>> * > >>> https://www.packtpub.com/big-data-and-business- > intelligence/mastering-qgis-second-edition > >>> > >>> ************************************************************ > ************************************** > >>> > >>> > >>> On 25 September 2017 at 13:44, Tom Chadwin > >>> <tom.chad...@nnpa.org.uk<mailto:tom.chad...@nnpa.org.uk>> wrote: > >>>> Perhaps you have to do it manually via a PostGIS query matching > >>>> f_table_catalog, f_table_schema, and f_table_name, and updating > styleqml > >>>> and > >>>> stylesld? > >>>> > >>>> Tom > >>>> > >>>> > >>>> > >>>> ----- > >>>> Buy Pie Spy: Adventures in British pastry 2010-11 on Amazon > >>>> -- > >>>> Sent from: > >>>> http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-f4099106.html > >>>> _______________________________________________ > >>>> QGIS-Developer mailing list > >>>> QGIS-Developer@lists.osgeo.org<mailto:QGIS-Developer@lists.osgeo.org> > >>>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > >>>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > >>> > >> > > _______________________________________________ > > QGIS-Developer mailing list > > QGIS-Developer@lists.osgeo.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > > > _______________________________________________ > QGIS-Developer mailing list > QGIS-Developer@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >
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