Re: DescribParam
От | Ludek Finstrle |
---|---|
Тема | Re: DescribParam |
Дата | |
Msg-id | 20060607200845.GB28566@soptik.pzkagis.cz обсуждение исходный текст |
Ответ на | Re: DescribParam ("Glenn B. Lawler" <gblawler@incodesystems.com>) |
Список | pgsql-odbc |
> So, if SQLDescribeParam is not supported, how do you > know how big to make the buffers? I don't know. I'm sorry. If you find the way with PgSQL backend we'll be glad. > I assume everyone must either use a standard size for > all parameters or the caller must know the right size to > use. Or you have to know what you ask for. Please try standard size and hope that it's enough. I don't have better advice. Maybe I'm wrong and someone more experienced correct it. BTW this is comment from psqlODBC: /* * Returns the description of a parameter marker. * This function is listed as not being supported by SQLGetFunctions() because it is * used to describe "parameter markers" (not bound parameters), in which case, * the dbms should return info on the markers. Since Postgres doesn't support that, * it is best to say this function is not supported and let the application assume a * data type (most likely varchar). */ Regards, Luf
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