SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function arrayJoin (alias str) (children 1)
     ExpressionList (children 1)
      Literal Array_[\'Hello\', \'World\', \'Foo\', \'Bar\', \'ClickHouse\']
    Function stringBytesUniq (children 1)
     ExpressionList (children 1)
      Identifier str
    Function stringBytesEntropy (children 1)
     ExpressionList (children 1)
      Identifier str
