[fpc-pascal] DataSet.Locate: different behaviour between FPC 2.6.2 and 2.7.1 (rev. 2013/09/01)
LacaK
lacak at zoznam.sk
Thu Oct 24 11:44:23 CEST 2013
silvioprog wrote / napĂsal(a):
> Hello,
>
> This morning, I compiled a code using FPC (Windows, rev. 2013/09/01),
> after that, my tests using dataset.locate has stopped.
>
> The Locate method locates record, even when it does not exists. The
> problem occurs only with varchar fields, in integer fields it works fine.
>
> In attachment I'm sending a small project to reproduce it. Here in my
> machine I made two tests, please see the log below:
>
> Result in FPC 2.6.2:
>
> test.exe
> output: N
> output: N
>
> Result in FPC 2.7.1:
>
> test.exe
> output: N
> output: Y
>
> Can you test it in FPC from trunk?
I guess, that root of this problem is same like in bug report:
http://bugs.freepascal.org/view.php?id=25016
For sorting/locating are used these string comparasion function:
AnsiCompareText resp. AnsiCompareStr
Can you test directly these functions in any simple string comparation
test ?
I expect, that these functions will return wrong results ?
(may be that string encoding enters into play also? ... )
-Laco.
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