Do not escape the upper case names

Author: kracekumar

litecli/sqlcompleter.py

@@ -258,7 +258,7 @@ def __init__(self, supported_formats=(), keyword_casing="auto"):
         self.reserved_words = set()
         for x in self.keywords:
             self.reserved_words.update(x.split())
-        self.name_pattern = compile(r"^[_a-z][_a-z0-9\$]*$")
+        self.name_pattern = compile(r"^[_a-zA-Z][_a-zA-Z0-9\$]*$")
 
         self.special_commands = []
         self.table_formats = supported_formats

tests/test_smart_completion_public_schema_only.py

@@ -40,6 +40,18 @@ def complete_event():
     return Mock()
 
 
+def test_escape_name(completer):
+
+    for name, expected_name in [# Upper case name shouldn't be escaped
+        ("BAR", "BAR"),
+        # This name is escaped and should start with back tick
+        ("2025todos", "`2025todos`"),
+        # normal case
+        ("people", "people"),
+        # table name with _underscore should not be escaped
+        ("django_users", "django_users")]:
+        assert completer.escape_name(name) == expected_name
+
 def test_empty_string_completion(completer, complete_event):
     text = ""
     position = 0