Fix sanitization matchers

Author: aidanharan

lib/active_record/connection_adapters/sqlserver/quoting.rb

@@ -68,6 +68,42 @@ def quoted_date(value)
           end
         end
 
+        def column_name_matcher
+          COLUMN_NAME
+        end
+
+        def column_name_with_order_matcher
+          COLUMN_NAME_WITH_ORDER
+        end
+
+        COLUMN_NAME = /
+          \A
+          (
+            (?:
+              # [table_name].[column_name] | function(one or no argument)
+              ((?:\w+\.|\[\w+\]\.)?(?:\w+|\[\w+\])) | \w+\((?:|\g<2>)\)
+            )
+            (?:\s+AS\s+(?:\w+|\[\w+\]))?
+          )
+          (?:\s*,\s*\g<1>)*
+          \z
+        /ix
+
+        COLUMN_NAME_WITH_ORDER = /
+          \A
+          (
+            (?:
+              # [table_name].[column_name] | function(one or no argument)
+              ((?:\w+\.|\[\w+\]\.)?(?:\w+|\[\w+\])) | \w+\((?:|\g<2>)\)
+            )
+            (?:\s+ASC|\s+DESC)?
+            (?:\s+NULLS\s+(?:FIRST|LAST))?
+          )
+          (?:\s*,\s*\g<1>)*
+          \z
+        /ix
+
+        private_constant :COLUMN_NAME, :COLUMN_NAME_WITH_ORDER
 
         private