ZSQLCatalog.SQLCatalog: Add support for scriptable keys in getColumnSearchKey.

product/ZSQLCatalog/SQLCatalog.py

@@ -1819,7 +1819,9 @@ class Catalog(Folder,
       If both a related key and a real column are found, the related key
       is used.
     """
-    # Is key a related key or a "real" column ?
+    # Is key a scriptable key, a related key or a "real" column ?
+    script = self.getScriptableKeyScript(key)
+    if script is None:
       related_key_definition = self.getRelatedKeyDefinition(key)
       if related_key_definition is None:
         if key in self.getColumnMap():
@@ -1828,6 +1830,9 @@ class Catalog(Folder,
           search_key = None
       else:
         search_key = self.getSearchKey(key, 'RelatedKey')
+    else:
+      search_key = SearchKeyWrapperForScriptableKey(key, script)
+      related_key_definition = None
     return search_key, related_key_definition
 
   security.declarePrivate('hasColumn')
@@ -1960,12 +1965,7 @@ class Catalog(Folder,
     """
       Determine the SearchKey to use to generate a Query, and call buildQueryFromSearchKey with it.
     """
-    script = self.getScriptableKeyScript(key)
-    if script is None:
     search_key, related_key_definition = self.getColumnSearchKey(key, search_key_name)
-    else:
-      search_key = SearchKeyWrapperForScriptableKey(key, script)
-      related_key_definition = None
     if search_key is None:
       message = 'Unknown column ' + repr(key)
       if not ignore_unknown_columns: