diff --git a/ast/parser/parser.y b/ast/parser/parser.y
index 127a3b965d..da9e510966 100644
--- a/ast/parser/parser.y
+++ b/ast/parser/parser.y
@@ -1797,6 +1797,15 @@ Literal:
 |	floatLit
 |	intLit
 |	stringLit
+	{
+		tp := types.NewFieldType(mysql.TypeString)
+		l := yylex.(*lexer)
+		tp.Charset, tp.Collate = l.GetCharsetInfo()
+		$$ = &types.DataItem{
+			Type: tp,
+			Data: $1.(string),
+		}
+	}
 |	"UNDERSCORE_CHARSET" stringLit
 	{
 		// See: https://dev.mysql.com/doc/refman/5.7/en/charset-literal.html