SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function arrayStringConcat (children 1)
     ExpressionList (children 2)
      Function arraySlice (children 1)
       ExpressionList (children 2)
        Function splitByString (children 1)
         ExpressionList (children 2)
          Literal \', \'
          Function trimLeft (children 1)
           ExpressionList (children 1)
            Identifier explain
        Literal UInt64_2
      Literal \', \'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Asterisk
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function viewExplain (children 1)
              ExpressionList (children 3)
               Literal \'EXPLAIN QUERY TREE\'
               Literal \'\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 3)
                   ExpressionList (children 1)
                    Function hex (children 1)
                     ExpressionList (children 1)
                      Function countState (children 1)
                       ExpressionList (children 1)
                        Function if (children 1)
                         ExpressionList (children 3)
                          Function toNullable (children 1)
                           ExpressionList (children 1)
                            Function equals (children 1)
                             ExpressionList (children 2)
                              Function modulo (children 1)
                               ExpressionList (children 2)
                                Identifier number
                                Literal UInt64_2
                              Literal UInt64_0
                          Identifier number
                          Literal NULL
                   TablesInSelectQuery (children 1)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      Function numbers (children 1)
                       ExpressionList (children 1)
                        Literal UInt64_5
                   Set
   Function like (children 1)
    ExpressionList (children 2)
     Identifier explain
     Literal \'%AggregateFunction%\'
