SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function minus (children 1)
     ExpressionList (children 2)
      Function arrayElement (children 1)
       ExpressionList (children 2)
        Identifier ProfileEvents
        Literal \'FileOpen\'
      Function arrayElement (children 1)
       ExpressionList (children 2)
        Identifier ProfileEvents
        Literal \'CreatedReadBufferDirectIOFailed\'
   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 type
       Literal \'QueryFinish\'
     Function like (children 1)
      ExpressionList (children 2)
       Function lower (children 1)
        ExpressionList (children 1)
         Identifier query
       Function lower (children 1)
        ExpressionList (children 1)
         Literal \'SELECT col1.a FROM %nested%\'
     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
