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

…hanged (#5172)
qgis · Sep 12, 2017 · 9b8fad5 · 9b8fad5
1 parent 06c5d24
commit 9b8fad5
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/providers/ogr/qgsogrprovider.cpp b/src/providers/ogr/qgsogrprovider.cpp
@@ -543,7 +543,12 @@ bool QgsOgrProvider::setSubsetString( const QString &theSQL, bool updateFeatureC
     uri += QStringLiteral( "|geometrytype=%1" ).arg( ogrWkbGeometryTypeName( mOgrGeometryTypeFilter ) );
   }
 
-  setDataSourceUri( uri );
+  if ( uri != dataSourceUri() )
+  {
+    QgsOgrConnPool::instance()->unref( dataSourceUri() );
+    setDataSourceUri( uri );
+    QgsOgrConnPool::instance()->ref( dataSourceUri() );
+  }
 
   OGR_L_ResetReading( ogrLayer );