public static List<Element> generateUpsertSets(List<IntrospectedColumn> columns, String prefix) {
        return generateCommColumns(columns, prefix, false, 3, true);
    }
public static List<Element> generateUpsertSets(List<IntrospectedColumn> columns, String prefix) {
        return generateCommColumns(columns, prefix, false, 3, true);
    }
public static List < Element > generateUpsertSets ( List < IntrospectedColumn > columns , String prefix ) { return generateCommColumns ( columns , prefix , false , 3 , true ) ; }
生成sets Ele (upsert)
@param columns
@param prefix
@return
生成sets Ele ( upsert )