SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function transform (children 1)
     ExpressionList (children 4)
      Function tuple (children 1)
       ExpressionList (children 2)
        Identifier number
        Function toString (children 1)
         ExpressionList (children 1)
          Identifier number
      Function array (children 1)
       ExpressionList (children 3)
        Literal Tuple_(UInt64_3, \'3\')
        Literal Tuple_(UInt64_5, \'5\')
        Literal Tuple_(UInt64_7, \'7\')
      Literal Array_[\'hello\', \'world\', \'abc!\']
      Literal \'def\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_10
