SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier number
    Function dictGet (alias a) (children 1)
     ExpressionList (children 3)
      Literal \'executable_complex_direct\'
      Literal \'a\'
      Function tuple (children 1)
       ExpressionList (children 2)
        Identifier number
        Identifier number
    Function dictGet (alias b) (children 1)
     ExpressionList (children 3)
      Literal \'executable_complex_direct\'
      Literal \'b\'
      Function tuple (children 1)
       ExpressionList (children 2)
        Identifier number
        Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_1000000
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier number
     Literal UInt64_999999