CreateQuery slow_log (children 3)
 Identifier slow_log
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 2)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Subquery (alias ql) (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 3)
           ExpressionList (children 2)
            Function extract (alias QUERY_GROUP_ID) (children 1)
             ExpressionList (children 2)
              Identifier query
              Literal \'/\\\\*\\\\s*QUERY_GROUP_ID:(.*?)\\\\s*\\\\*/\'
            Asterisk
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              TableIdentifier system.query_log
           Function and (children 1)
            ExpressionList (children 2)
             Function notEquals (children 1)
              ExpressionList (children 2)
               Identifier type
               Literal UInt64_1
             Function greaterOrEquals (children 1)
              ExpressionList (children 2)
               Identifier event_date
               Function yesterday (children 1)
                ExpressionList
     TablesInSelectQueryElement (children 2)
      TableExpression (children 1)
       TableIdentifier expected_times
      TableJoin (children 1)
       ExpressionList (children 1)
        Identifier QUERY_GROUP_ID
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier query_duration_ms
      Identifier max_query_duration_ms
 ViewTargets (children 1)
  Storage definition (children 1)
   Function Memory
