SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier name
    Identifier parent
    Identifier create_query
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.workloads
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier name
