SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Literal Array_[UInt64_2, UInt64_2, UInt64_2, UInt64_5, UInt64_5, UInt64_5, UInt64_0, UInt64_0, UInt64_0, UInt64_0]
      Function groupArray (children 1)
       ExpressionList (children 1)
        Function positionUTF8 (children 1)
         ExpressionList (children 3)
          Function materialize (children 1)
           ExpressionList (children 1)
            Literal \'абвабв\'
          Function materialize (children 1)
           ExpressionList (children 1)
            Literal \'б\'
          Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
