Fix case where multiple indexes with similar name seperated by _ …

…were interpreted as options.

Fixes #78.

CHANGES.rst

@@ -4,7 +4,12 @@ Changelog
 5.1 (unreleased)
 ----------------
 
-- Nothing changed yet.
+Bug fixes
++++++++++
+
+- Fix case where multiple indexes with similar name seperated by ``_`` were interpreted as options.
+  Fixes #78.
+  [thet]
 
 
 5.0.1 (2019-06-17)
@@ -13,7 +18,7 @@ Changelog
 Bug fixes
 +++++++++
 
-- Fix sorting of index overview table in ZMI. Migrated the template from 
+- Fix sorting of index overview table in ZMI. Migrated the template from
   to zpt.
   (`#62 <https://github.com/zopefoundation/Products.ZCatalog/issues/62>`_)
 

src/Products/ZCatalog/query.py

@@ -89,8 +89,8 @@ def __init__(self, request, iid, options=(), operators=('or', 'and'),
             for field in request.keys():
                 if field.startswith(iid + '_'):
                     iid_tmp, op = field.split('_')
-
-                    self.set(op, request[field])
+                    if op in self.options:
+                        self.set(op, request[field])
 
         self.keys = keys
         not_value = getattr(self, 'not', None)