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\'
          Literal \'б\'
          Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
