SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function dictGet (alias val) (children 1)
     ExpressionList (children 3)
      Literal \'dictdb_01376.dict_exists\'
      Literal \'value\'
      Function toUInt64 (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
   ExpressionList (children 1)
    Identifier val
