Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
C5 on SYS(1104)
Message
 
 
À
02/08/2006 06:32:40
Walter Meester
HoogkarspelPays-Bas
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Titre:
Versions des environnements
Visual FoxPro:
VFP 8 SP1
Database:
MS SQL Server
Divers
Thread ID:
01142318
Message ID:
01142368
Vues:
8
Walter,

Could you please explain the reason to wrap the above code in the transaction? What are you trying to achive?

Thanks.

>On a second investigation:
>
>- Does not seem to occur in VFP9SP1 (at least I cannot reproduce it now)
>- It seems only to happen when I insert a record into two other (remote) tables within the same transaction (going through the same shared connection) via remote views.
>
>Walter,
>
>
>
>
>>Hi aleksey,
>>
>>We have a very consistent problem with several SYS(1104) in our project.
>>I've not been able to create reproducable case, but it went something like this:
>>
>>
>>
cString = FILETOSTR("Sqlconnect.txt")
>>nHandle = SQLSTRINGCONNECT(cString)
>>
>>BEGIN TRANSACTION
>>	SQLSETPROP(nHandle,"transActions",2)
>>	TEXT TO cSQL NOSHOW TEXTMERGE PRETEXT 7
>>		SELECT dem_donorno, dem_pk, dem_regno
>>			FROM t_demo
>>			WHERE dem_firstname = 'JOE' AND UPPER(Dem_surname) = 'BLOGGS' AND
>>				(dem_dob = '19440101' OR dem_dob < '19100101')
>>	ENDTEXT
>>	=SQLEXEC(nHandle, cSQL, '_Duplicates')
>>
>>	USE IN SELECT("_Duplicates")
>>	
>>	=SYS(1104)
>>
>>	SQLSETPROP(nHandle,"transActions",1)
>>END TRANSACTION
>>
>>Again, note that running this, won't produce the problem, but something similar in my application does.
>>
>>There must be some other circumstance under which it is occuring, but I could not identify.
>>
>>- It is occuring in both VFP8SP1 and VFP9SP1
>>- It seems to have to do with an transaction as when SYS(1104) is issued outside of the transaction, there is no problem
>>- It only generates a problem when the SQLEXEC() returns a record. If the resultset does not contain any record, there problem does not exist.
>>- VFP Select statements do not produce the same problem.
>>
>>The solution we found so far is not to use a sys(1104) within a transaction.
>>Is this a known bug ?
>>
>>Walter,
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