[ogr provider] insure connection pool updated when subset sql added/c…

…hanged (#5174)
qgis · Sep 12, 2017 · a45913b2544148a6bdbcd257b9b01a245211928d · a45913b
1 parent 9c4d1da
commit a45913b2544148a6bdbcd257b9b01a245211928d
Unified Split

Showing with 6 additions and 1 deletion.

+6 −1 src/providers/ogr/qgsogrprovider.cpp
diff --git a/src/providers/ogr/qgsogrprovider.cpp b/src/providers/ogr/qgsogrprovider.cpp
@@ -555,7 +555,12 @@ bool QgsOgrProvider::setSubsetString( const QString& theSQL, bool updateFeatureC
     uri += QString( "|geometrytype=%1" ).arg( ogrWkbGeometryTypeName( mOgrGeometryTypeFilter ) );
   }
 
-  setDataSourceUri( uri );
+  if ( uri != dataSourceUri() )
+  {
+    QgsOgrConnPool::instance()->unref( dataSourceUri() );
+    setDataSourceUri( uri );
+    QgsOgrConnPool::instance()->ref( dataSourceUri() );
+  }
 
   OGR_L_ResetReading( ogrLayer );