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23/08/2006 09:37:47
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
01147803
Message ID:
01147878
Vues:
28
Are you saying VFP9 using the old style syntax will produce a different result than in VFP6, I have never seen this.

>Well, if you really want to sit on an armed bomb, be my guest! :-))
>
>>I don't agree in this case, he is converting an existing application which already uses the less desireable SQL syntax, but I don't think his application will produce different results than he already has in the old app.
>>
>>If he chooses to refactor his application, then he should look at converting the SQL statements to the current standards, but if he porting an existing working application to the new platform, the solution is reasonable.
>>
>>>>>IMHO, 4 Yes
>>>>>
>>>>>MartinJ
>>>>>
>>>>>>Sorry for the short answers
>>>>>>
>>>>>>1 Yes
>>>>>>2 No
>>>>>>3 Yes (no additional fees to MS)
>>>>>>4 No
>>>>>>5 Yes
>>>>>>
>>>>>>Good luck!
>>>>
>>>>With just one line of code you make VFP9 almost totally compatible with VFP6:
>>>>SET ENGINEBEHAVIOR 70
>>>
>>>SET ENGINEBEHAVIOR 70 should be renamed to SET WRONG RESULT ON!
>>>
>>>There was a very good reason why the engine behavior was changed in VFP8 and VFP9. The SET ENGINEBEHAVIOR command was introduced as a short time band aid, so that the wrong, not ANSI-SQL compliant SQL statements which were accepted in VFP6, did not raise errors. However, if you don't correct the SQL statements and change SET ENGINEBEHAVIOR to 80 or 90, you risk getting wrong results.
'If the people lead, the leaders will follow'
'War does not determine who is RIGHT, just who is LEFT'
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