--- ZSQLExtend/ZSQLExtend.py	2006/04/24 16:09:52	1.82
+++ ZSQLExtend/ZSQLExtend.py	2006/04/25 17:01:54	1.83
@@ -80,6 +80,29 @@ class ZSQLExtendFolder(Folder,Persistent
         """quote str for sql"""
         return sql_quote(str)
     
+    
+    def normalizeField(self,table,fieldname, newFieldName=None,mode="alter", RESPONSE=None):
+        """normalize a field"""
+        import unicodedata
+        
+        if not newFieldName:
+            newFieldName=fieldname+"_normal"
+            
+        def normal(str):
+            if str:
+                return unicodedata.normalize('NFKD', str.decode('utf-8')).encode('ASCII', 'ignore')
+            else:
+                return ""
+        if mode=="create": # create the field
+            qstr="""alter table %s add %s %s"""
+            self.ZSQLSimpleSearch(qstr%(table,newFieldName,'text'))
+        
+        qstr="select oid,%s from %s"%(fieldname,table)
+        for result in self.ZSQLSimpleSearch(qstr):
+            qstr="update %s set %s = %s where oid = %s"
+
+            self.ZSQLSimpleSearch(qstr%(table,newFieldName,self.ZSQLQuote(normal(getattr(result,fieldname))),result.oid))
+        
     def importAccessModell(self,configFileName,RESPONSE=None):
         """import tables from access
         @param configFileName: xml-configfile