Fix Function.get_parameters() with 1 literal as its parameter

1 files changed, 2 insertions, 0 deletions

diff --git a/sqlparse/sql.py b/sqlparse/sql.py
index cfd622b..4664142 100644
--- a/sqlparse/sql.py
+++ b/sqlparse/sql.py
@@ -628,6 +628,8 @@ class Function(TokenList):
                 return t.get_identifiers()
             elif isinstance(t, Identifier):
                 return [t,]
+            elif t.ttype in T.Literal:
+                return [t,]
         return []