Re: can anyone explain what is this sql query?

[paragasu <paragasu gmail com>]

thanks dave, the link help me very much..

On 8/19/08, Dave Foster <dave foster gmail com> wrote:
> This seems to explain it:
>
> http://library.gnome.org/devel/libgda-4.0/unstable/GdaDataModelQuery.html#gda-data-model-query-set-modification-query
>
> dave
>
> On Mon, Aug 18, 2008 at 11:46 PM, paragasu <paragasu gmail com> wrote:
>
>> [snip]
>> #define CONTENTS_DEL_SQL "DELETE FROM order_contents WHERE order_id =
>> ##oid::gint AND product_ref = ##-0::gchararray AND quantity =
>> ##-2::gint AND discount = ##-3::gdouble"
>> [/snip]
>>
>> i take this from the official gnome-db documentation
>> http://library.gnome.org/devel/libgnomedb-3.0/unstable/ch04s03.html
>>
>> unfortunately, i don't know what the ##oid:gint or ##-0::gchararray or
>> ##-2::gint or ##-3::gdouble mean (inside the delete query). And i cannot
>> find
>> any documentation on it. i want to know what the -0, -2 or -3 mean ..
>>
>> can anyone point me  a link for me to read more, i am more than happy if
>> anyone
>> can explain it to me.. thank you
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>