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How to tell if a table has no nondeleted records (empty)
Message
From
03/09/1998 20:40:00
Larry Long
ProgRes (Programming Resources)
Georgia, United States
 
 
To
03/09/1998 12:00:21
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Miscellaneous
Thread ID:
00132456
Message ID:
00133057
Views:
27
>>>>how is an efficient way to tell if a table has no active records.
>>>>
>>>>thanks, brenda
>>>
>>>SET DELETED ON
>>>COUNT TO nTotal
>>>IF nTotal=0
>>>...
>>You should have and index tag on DELETED(), example...
>>INDEX ON DELETED() TAG ISDELETED
>>Having this will greatly increase performance if you have SET DELETED ON in your app.
>>
>>Assuming you have done this, you could...
>>
>>found_deleted=SEEK(.T.,'yourtable','ISDELETED')
>>
>>or conversely...
>>found_active=SEEK(.F.,'yourtable','ISDELETED')
>>
>>//:^)
>
>Larry, do you really assume that I don't use/know about DELETED() tag?
I know that you would, but you didnt post the original message.
//:^)
L.A.Long
ProgRes
lalong1@charter.net
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