<width_bucket_bound_1 xmlns="http://www.sqlparser.com/xml/ansi2003"> <numeric_value_expression>{1,1}</numeric_value_expression> </width_bucket_bound_1>
<xs:element name="width_bucket_bound_1"> <xs:complexType> <xs:sequence> <xs:element ref="numeric_value_expression"/> </xs:sequence> </xs:complexType> </xs:element>