SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Function arrayElement (alias func) (children 1)
     ExpressionList (children 2)
      Identifier used_aggregate_functions
      Literal UInt64_1
    Function arrayElement (alias threads) (children 1)
     ExpressionList (children 2)
      Identifier Settings
      Literal \'max_threads\'
    Function greater (children 1)
     ExpressionList (children 2)
      Function arrayElement (children 1)
       ExpressionList (children 2)
        Identifier ProfileEvents
        Literal \'AggregationOptimizedEqualRangesOfKeys\'
      Literal UInt64_0
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.query_log
   Function and (children 1)
    ExpressionList (children 3)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier type
       Literal \'QueryFinish\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier current_database
       Function currentDatabase (children 1)
        ExpressionList
     Function like (children 1)
      ExpressionList (children 2)
       Identifier query
       Literal \'%SELECT%FROM%t_optimize_equal_ranges%\'
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier func
    OrderByElement (children 1)
     Identifier threads
