Use case insensitive comparison for column names. Fixes #3298

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@14932 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

src/core/qgssearchtreenode.cpp

@@ -602,7 +602,7 @@ QgsSearchTreeValue QgsSearchTreeNode::valueAgainst( const QgsFieldMap& fields, Q
       QgsFieldMap::const_iterator it;
       for ( it = fields.begin(); it != fields.end(); it++ )
       {
-        if ( it->name().toLower() == mText.toLower() ) // TODO: optimize
+        if ( QString::compare( it->name(), mText, Qt::CaseInsensitive ) == 0 )
           break;
       }
 

src/core/qgsvectordataprovider.cpp

@@ -221,7 +221,7 @@ int QgsVectorDataProvider::fieldNameIndex( const QString& fieldName ) const
 
   for ( QgsFieldMap::const_iterator it = theFields.constBegin(); it != theFields.constEnd(); ++it )
   {
-    if ( it->name() == fieldName )
+    if ( QString::compare( it->name(), fieldName, Qt::CaseInsensitive ) == 0 )
     {
       return it.key();
     }

src/core/qgsvectorlayer.cpp

@@ -4720,7 +4720,7 @@ int QgsVectorLayer::fieldNameIndex( const QString& fieldName ) const
 
   for ( QgsFieldMap::const_iterator it = theFields.constBegin(); it != theFields.constEnd(); ++it )
   {
-    if ( it->name() == fieldName )
+    if ( QString::compare( it->name(), fieldName, Qt::CaseInsensitive ) == 0 )
     {
       return it.key();
     }