Issue #3492: Search fails if using quotating marks

taiga/base/utils/db.py

@@ -208,10 +208,11 @@ def to_tsquery(term):
             if not bit:
                 continue
 
-            if bit.startswith('"') and bit.endswith('"'):
+            if bit.startswith('"') and bit.endswith('"') and len(bit)>2:
                 res.append(bit.replace('"', "'"))
             else:
                 res.append("'%s':*" %(bit.replace("'", ""), ))
+
             res.append("&")
 
     while res and res[-1] in magic_values:

tests/unit/test_utils.py

@@ -108,6 +108,9 @@ TS_QUERY_TRANSFORMATIONS = [
     ("(1)", "( 1 )"),
     ("1((", "1"),
     ("test\\", "'test':*"),
+    ('"', "'\"':*"),
+    ('""', "'\"\"':*"),
+    ('"""', "'\"\"':* & '\"':*"),
 ]
 def test_to_tsquery():
     for (input, expected) in TS_QUERY_TRANSFORMATIONS: