Microoptimise and avoid cache lookup when no sort order set

(cherry-picked from ebee101)
qgis · May 23, 2017 · 8992eeaeef52cc8eb63b2548081680a98557f865 · 8992eea
1 parent 4acc480
commit 8992eeaeef52cc8eb63b2548081680a98557f865
Unified Split

Showing with 6 additions and 0 deletions.

+6 −0 src/gui/attributetable/qgsattributetablefiltermodel.cpp
diff --git a/src/gui/attributetable/qgsattributetablefiltermodel.cpp b/src/gui/attributetable/qgsattributetablefiltermodel.cpp
@@ -57,6 +57,12 @@ bool QgsAttributeTableFilterModel::lessThan( const QModelIndex &left, const QMod
     }
   }
 
+  if ( mTableModel->sortCacheExpression().isEmpty() )
+  {
+    //shortcut when no sort order set
+    return false;
+  }
+
   return qgsVariantLessThan( left.data( QgsAttributeTableModel::SortRole ),
                              right.data( QgsAttributeTableModel::SortRole ) );
 }