SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Identifier id
    Identifier payload
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab
   Function isNull (children 1)
    ExpressionList (children 1)
     Function dictGetOrNull (children 1)
      ExpressionList (children 3)
       Literal \'dictionary_all\'
       Literal \'name\'
       Identifier id
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier id
    OrderByElement (children 1)
     Identifier payload
