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