Thanks.
I appreciate very much, the way I can add my own loadable extension
myExtension.dll by simply calling on SQL-level
select load_extension("myExtension.dll") without changing anything in C.
I wish that I could do this for vfs too.
select load_vfs("myVFS.dll")
without changing anything in C.
Best Martin
________________________________
Von: Roger Binns <rog...@rogerbinns.com>
An: General Discussion of SQLite Database <sqlite-users@sqlite.org>
Gesendet: Donnerstag, den 26. März 2009, 18:36:50 Uhr
Betreff: Re: [sqlite] virtual file system
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Martin Pfeifle wrote:
> I have a question regarding virtual file systems.
> I assume I can load my own virtual file system by calling
> the c-function sqlite3_vfs_register(...).
That function passes the vfs name and a series of callbacks that
implement the vfs to SQLite. To actually use a vfs, you need to pass
the appropriate name to sqlite3_vfs_open_v2.
> Am I right that I cannot load a virtual file system by a pragma command
You couldn't register one that way since it needs C level callbacks.
You can set the default vfs when calling sqlite3_vfs_register(...)
> or a core function similar to load_extension?
sqlite3_vfs_register is a core function in exactly the same way as
sqlite3_load_extension
What exactly is it you are trying to achieve?
Roger
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