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 multiSearchAllPositionsCaseInsensitiveUTF8 (children 1)
       ExpressionList (children 2)
        Literal \'\\0\'
        Function CAST (children 1)
         ExpressionList (children 2)
          Function array (children 1)
           ExpressionList
          Literal \'Array(String)\'