[ogr] Only call repack when closing a data provider

Fix #8822

Author: m-kuhn

src/providers/ogr/qgsogrprovider.cpp

@@ -124,6 +124,62 @@ bool QgsOgrProvider::convertField( QgsField &field, const QTextCodec &encoding )
   return true;
 }
 
+void QgsOgrProvider::repack()
+{
+  if ( ogrDriverName != "ESRI Shapefile" )
+    return;
+
+  QByteArray layerName = OGR_FD_GetName( OGR_L_GetLayerDefn( ogrOrigLayer ) );
+
+  // run REPACK on shape files
+  if ( mDeletedFeatures )
+  {
+    QByteArray sql = QByteArray( "REPACK " ) + layerName;   // don't quote the layer name as it works with spaces in the name and won't work if the name is quoted
+    QgsDebugMsg( QString( "SQL: %1" ).arg( FROM8( sql ) ) );
+    OGR_DS_ExecuteSQL( ogrDataSource, sql.constData(), NULL, NULL );
+
+    if ( mFilePath.endsWith( ".shp", Qt::CaseInsensitive ) || mFilePath.endsWith( ".dbf", Qt::CaseInsensitive ) )
+    {
+      QString packedDbf( mFilePath.left( mFilePath.size() - 4 ) + "_packed.dbf" );
+      if ( QFile::exists( packedDbf ) )
+      {
+        QgsMessageLog::logMessage( tr( "Possible corruption after REPACK detected. %1 still exists. This may point to a permission or locking problem of the original DBF." ).arg( packedDbf ), tr( "OGR" ), QgsMessageLog::CRITICAL );
+
+        OGR_DS_Destroy( ogrDataSource );
+        ogrLayer = ogrOrigLayer = 0;
+
+        ogrDataSource = OGROpen( TO8F( mFilePath ), true, NULL );
+        if ( ogrDataSource )
+        {
+          if ( mLayerName.isNull() )
+          {
+            ogrOrigLayer = OGR_DS_GetLayer( ogrDataSource, mLayerIndex );
+          }
+          else
+          {
+            ogrOrigLayer = OGR_DS_GetLayerByName( ogrDataSource, TO8( mLayerName ) );
+          }
+
+          if ( !ogrOrigLayer )
+          {
+            QgsMessageLog::logMessage( tr( "Original layer could not be reopened." ), tr( "OGR" ), QgsMessageLog::CRITICAL );
+            valid = false;
+          }
+
+          ogrLayer = ogrOrigLayer;
+        }
+        else
+        {
+          QgsMessageLog::logMessage( tr( "Original datasource could not be reopened." ), tr( "OGR" ), QgsMessageLog::CRITICAL );
+          valid = false;
+        }
+      }
+    }
+
+    mDeletedFeatures = false;
+  }
+}
+
 
 QgsVectorLayerImport::ImportError QgsOgrProvider::createEmptyLayer(
   const QString& uri,
@@ -382,6 +438,8 @@ QgsOgrProvider::~QgsOgrProvider()
     OGR_DS_ReleaseResultSet( ogrDataSource, ogrLayer );
   }
 
+  repack();
+
   OGR_DS_Destroy( ogrDataSource );
   ogrDataSource = 0;
 
@@ -1233,58 +1291,8 @@ bool QgsOgrProvider::createSpatialIndex()
   if ( ogrDriverName != "ESRI Shapefile" )
     return false;
 
-  QgsCPLErrorHandler handler;
-
   QByteArray layerName = OGR_FD_GetName( OGR_L_GetLayerDefn( ogrOrigLayer ) );
 
-  // run REPACK on shape files
-  if ( mDeletedFeatures )
-  {
-    QByteArray sql = QByteArray( "REPACK " ) + layerName;   // don't quote the layer name as it works with spaces in the name and won't work if the name is quoted
-    QgsDebugMsg( QString( "SQL: %1" ).arg( FROM8( sql ) ) );
-    OGR_DS_ExecuteSQL( ogrDataSource, sql.constData(), NULL, NULL );
-
-    if ( mFilePath.endsWith( ".shp", Qt::CaseInsensitive ) || mFilePath.endsWith( ".dbf", Qt::CaseInsensitive ) )
-    {
-      QString packedDbf( mFilePath.left( mFilePath.size() - 4 ) + "_packed.dbf" );
-      if ( QFile::exists( packedDbf ) )
-      {
-        QgsMessageLog::logMessage( tr( "Possible corruption after REPACK detected. %1 still exists. This may point to a permission or locking problem of the original DBF." ).arg( packedDbf ), tr( "OGR" ), QgsMessageLog::CRITICAL );
-
-        OGR_DS_Destroy( ogrDataSource );
-        ogrLayer = ogrOrigLayer = 0;
-
-        ogrDataSource = OGROpen( TO8F( mFilePath ), true, NULL );
-        if ( ogrDataSource )
-        {
-          if ( mLayerName.isNull() )
-          {
-            ogrOrigLayer = OGR_DS_GetLayer( ogrDataSource, mLayerIndex );
-          }
-          else
-          {
-            ogrOrigLayer = OGR_DS_GetLayerByName( ogrDataSource, TO8( mLayerName ) );
-          }
-
-          if ( !ogrOrigLayer )
-          {
-            QgsMessageLog::logMessage( tr( "Original layer could not be reopened." ), tr( "OGR" ), QgsMessageLog::CRITICAL );
-            valid = false;
-          }
-
-          ogrLayer = ogrOrigLayer;
-        }
-        else
-        {
-          QgsMessageLog::logMessage( tr( "Original datasource could not be reopened." ), tr( "OGR" ), QgsMessageLog::CRITICAL );
-          valid = false;
-        }
-      }
-    }
-
-    mDeletedFeatures = false;
-  }
-
   if ( ogrDataSource )
   {
     QByteArray sql = "CREATE SPATIAL INDEX ON " + quotedIdentifier( layerName );  // quote the layer name so spaces are handled

src/providers/ogr/qgsogrprovider.h

@@ -275,6 +275,9 @@ class QgsOgrProvider : public QgsVectorDataProvider
     /** convert a QgsField to work with OGR */
     static bool convertField( QgsField &field, const QTextCodec &encoding );
 
+    /** Clean shapefile from features which are marked as deleted */
+    void repack();
+
   private:
     unsigned char *getGeometryPointer( OGRFeatureH fet );
     QString ogrWkbGeometryTypeName( OGRwkbGeometryType type ) const;