<timestamp_literal xmlns="http://www.sqlparser.com/xml/ansi2003"> <kw_timestamp>{1,1}</kw_timestamp> <timestamp_string>{1,1}</timestamp_string> </timestamp_literal>
<xs:element name="timestamp_literal"> <xs:complexType> <xs:sequence> <xs:element ref="kw_timestamp"/> <xs:element ref="timestamp_string"/> </xs:sequence> </xs:complexType> </xs:element>