Unset self.isColumn value before returning: it is a method bound to a...

Unset self.isColumn value before returning: it is a method bound to a persistent object, so it might do bad things.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26796 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ZSQLCatalog/SearchText/AdvancedSearchTextDetector.py

@@ -91,6 +91,7 @@ class AdvancedSearchTextDetector(lexer):
 
   def __call__(self, input, is_column):
     self.isColumn = is_column
+    try:
       self.found = False
       check_grammar = False
       self.token_list = token_list = []
@@ -106,6 +107,8 @@ class AdvancedSearchTextDetector(lexer):
       if not self.found and check_grammar:
         self.found = self.parse()
       return self.found
+    finally:
+      self.isColumn = None
 
 update_docstrings(AdvancedSearchTextDetector)