SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function trimRight (children 1)
     ExpressionList (children 1)
      Literal \'   trailing   \'
    Function trimRight (children 1)
     ExpressionList (children 1)
      Literal \'   trailing   \'
