SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function arrayElement (children 1)
     ExpressionList (children 2)
      Identifier ProfileEvents
      Literal \'RowsReadByPrewhereReaders\'
    Function arrayElement (children 1)
     ExpressionList (children 2)
      Identifier ProfileEvents
      Literal \'RowsReadByMainReader\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.query_log
   Function and (children 1)
    ExpressionList (children 4)
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier event_date
       Function yesterday (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier current_database
       Function currentDatabase (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier type
       Literal \'QueryFinish\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier log_comment
       Literal \'test_1\'
