Sorry I forgot to mention: I already tried single C function. I even
tried with extern "C" just in case but got exactly the same result.
I also tried __stdcall and __cdecl but looks like SQLite is wayting
for __fastcall function pointer
On Wed, Dec 17, 2008 at 5:37 PM, Martin Engelschalk
<engelsch...@codeswift.com> wrote:
> Hi,
>
> i suspect that you problem is the class MyClass.
> Try to define your function "ScorePosition" as a C-function outside of a
> class.
>
> Martin
>
> Guillaume Schub wrote:
>> Hi everyone,
>>
>> I have spent nearly one day on this already with no success. I am
>> currently trying to create some custom function on a SQLite3 database.
>>
>> What I did (just to test):
>>
>> sqlite3_create_function(m_pDB, "ScorePosition", "ScorePosition", 8,
>> SQLITE_ANY, NULL, &ScorePosition, NULL, NULL);
>>
>> class MyClass
>> {
>> ...
>> static void ScorePosition(sqlite3_context *pContext,int argc,
>> sqlite3_value** argv);
>> ...
>> };
>>
>> void MyClass::ScorePosition(sqlite3_context *pContext,int argc,
>> sqlite3_value** argv)
>> {
>> ...
>> }
>>
>> SELECT ScorePosition(1, 2, 3, 4, 5, 6, 7, 8) FROM MyTable;
>>
>> No the problem is that the callback is called, but pContext is always
>> NULL, argc a fancy value, and argv always the same value (like
>> 0x0012f2d4)
>>
>> What am I missing here ?
>>
>> Guishu
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>>
>>
>
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