1 files changed, 6 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py
index 55c6a35f8..1f9944529 100644
--- a/lib/sqlalchemy/sql/util.py
+++ b/lib/sqlalchemy/sql/util.py
@@ -581,6 +581,12 @@ class _repr_base:
         return rep
 
 
+def _repr_single_value(value):
+    rp = _repr_base()
+    rp.max_chars = 300
+    return rp.trunc(value)
+
+
 class _repr_row(_repr_base):
     """Provide a string view of a row."""