SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function array (children 1)
       ExpressionList
      Function multiSearchAllPositionsCaseInsensitive (children 1)
       ExpressionList (children 2)
        Literal \'\\0\'
        Function CAST (children 1)
         ExpressionList (children 2)
          Function array (children 1)
           ExpressionList
          Literal \'Array(String)\'