SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Literal \'AggregateFunction(argMax, String, DateTime)\'
    Identifier read_rows
    Identifier read_bytes
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.query_log
   Function and (children 1)
    ExpressionList (children 4)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier current_database
       Function currentDatabase (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier query
       Literal \'SELECT argMaxMerge(amax) FROM test FORMAT Null;\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier type
       Literal UInt64_2
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier event_date
       Function yesterday (children 1)
        ExpressionList
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier event_time_microseconds
