SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function arrayJoin (alias a) (children 1)
     ExpressionList (children 1)
      Literal Array_[\'aaa\', \'bbb\']
    Function materialize (alias b) (children 1)
     ExpressionList (children 1)
      Literal \'aaa\\0bbb\'
   ExpressionList (children 5)
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function less (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b