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[gdal] Implement the data provider reloadData() function (fixes #20536)
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nirvn committed Apr 10, 2019
1 parent 0c03900 commit 88212b0
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Showing 2 changed files with 11 additions and 0 deletions.
9 changes: 9 additions & 0 deletions src/providers/gdal/qgsgdalprovider.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -526,6 +526,15 @@ void QgsGdalProvider::closeDataset()
closeCachedGdalHandlesFor( this );
}

void QgsGdalProvider::reloadData()
{
QMutexLocker locker( mpMutex );
closeDataset();

mHasInit = false;
( void )initIfNeeded();
}

QString QgsGdalProvider::htmlMetadata()
{
QMutexLocker locker( mpMutex );
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2 changes: 2 additions & 0 deletions src/providers/gdal/qgsgdalprovider.h
Original file line number Diff line number Diff line change
Expand Up @@ -171,6 +171,8 @@ class QgsGdalProvider : public QgsRasterDataProvider, QgsGdalProviderBase
bool setNoDataValue( int bandNo, double noDataValue ) override;
bool remove() override;

void reloadData() override;

QString validateCreationOptions( const QStringList &createOptions, const QString &format ) override;
QString validatePyramidsConfigOptions( QgsRaster::RasterPyramidsFormat pyramidsFormat,
const QStringList &configOptions, const QString &fileFormat ) override;
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