SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Identifier result_rows
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Identifier result_bytes
      Literal UInt64_8
   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 greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier event_date
       Function minus (children 1)
        ExpressionList (children 2)
         Function today (children 1)
          ExpressionList
         Literal UInt64_1
     Function like (children 1)
      ExpressionList (children 2)
       Function lower (children 1)
        ExpressionList (children 1)
         Identifier query
       Literal \'%select count() > 0 from system.settings%\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier type
       Literal \'QueryFinish\'
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier query_start_time
   Literal UInt64_1