SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function positionUTF8 (children 1)
       ExpressionList (children 2)
        Literal \'абв\' (alias h)
        Function lowerUTF8 (children 1)
         ExpressionList (children 1)
          Literal \'в\' (alias n)
      Function positionCaseInsensitiveUTF8 (children 1)
       ExpressionList (children 2)
        Identifier h
        Identifier n
