Level Extreme platform
Subscription
Corporate profile
Products & Services
Support
Legal
Français
Update Timestamp
Message
From
03/09/2015 04:16:14
Lutz Scheffler
Lutz Scheffler Software Ingenieurbüro
Dresden, Germany
 
 
To
03/09/2015 02:25:17
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows 7
Network:
Windows 2008 Server
Database:
Visual FoxPro
Application:
Desktop
Miscellaneous
Thread ID:
01624207
Message ID:
01624219
Views:
59
>>>>>Hi All,
>>>>>
>>>>>This is going to sound real stupid. Sorry. How do I set up a field in a table so that every time a record is updated, this field is updated with the current date/time?
>>>>>
>>>>>Also, I need for this to work in VFP 5.0 as well.
>>>>>
>>>>>Thanks,
>>>>>
>>>>>Yossi
>>>>
>>>>In addition to Naomis reply. Note that the timestamp will be that of the local machine.
>>>>
>>>>An update trigger will do the job, but you need a database to wrap your tables
>>>>This will work from inside VFP only
>>>
>>>Please excuse my ignorance, but how does the update trigger accomplish what I want. It's asking for a logical expression.
>>
>>No problem, I have to lookup the help myself. I've done such stuff through my framework, so I'm not an expert here.
>>from
>>
HELP CREATE TRIGGER
>>[snip]
>>Specifies the logical expression evaluated when the trigger occurs. lExpression can be a user-defined function or a stored procedure that returns a logical value.
>>
[/snip]
>>
>>you create a function in the database (aka stored procedure)
>>parameter is table name
>>this fundtion replaces datetime value
>>and create logical return value
>>
>>HTH
>
>
>As far as I know, a trigger cannot replace anything in the record that caused it to fire
>You'll have to use a table rule

Thank you. So you do this in record validation?

I know there was a reason to do this in the CA's. I hate those VFP database container stuff.
Words are given to man to enable him to conceal his true feelings.
Charles Maurice de Talleyrand-Périgord

Weeks of programming can save you hours of planning.

Off

There is no place like [::1]
Previous
Next
Reply
Map
View

Click here to load this message in the networking platform