Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Query help needed
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
01296873
Message ID:
01297083
Vues:
24
>>ADS has a Time datatype, which is internally stored as the number of milliseconds since midnight in a 4-byte integer.
>
>OK the same query, but you should find the right functions for converting:
>
>SELECT YourTable.*;
>       FROM YourTable;
>INNER JOIN (SELECT Sh, MAX(ConvertDateToISO(DateSaved)+' '+ConvertTimeToString(TimeSaved)) AS DateTimeSaved;
>                   FROM YourTable;
>            GROUP BY Sh) Tbl1;
>ON YourTable.Sh = Tbl1.Sh AND;
>   ConvertDateToISO(YourTable.DateSaved)+' '+ConvertTimeToString(YourTable.TimeSaved) = Tbl1.DateTimeSaved
>
>
>Where ConvertDateToISO() should convert your Date to string with folwong format "YYYYMMDD" and
> ConvertTimeToString() should convert Time to string no matter what format it is, just make sure that 12:01 PM is bigger than 12:01 AM it could be:
>"18:20", "1820", "66000" (that is 18*3600 + 20*60)

Hi Borislav,

Please check my suggestion. It may be slower, but no conversions are needed. First we filter the maximum date, then the maximum time for that date.
If it's not broken, fix it until it is.


My Blog
Précédent
Suivant
Répondre
Fil
Voir

Click here to load this message in the networking platform