Re: DescribParam

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От Ludek Finstrle
Тема Re: DescribParam
Дата
Msg-id 20060607192331.GB28221@soptik.pzkagis.cz
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Ответ на DescribParam  ("Glenn B. Lawler" <gblawler@incodesystems.com>)
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> When I call SQLDescribeParam using PostgreSQL ODBC Driver
> psqlodbc-08_02_0002 SQL_ERROR is the return code.

This API has never been supported. Why do you use it when psqlODBC
returns info that it doesn't support SQLDescribeParam?

> What I am trying to do with this call is determine the buffer size
> needed to allocate a buffer so I can call SQLBindParameter with
> a big enough buffer.

There is the problem that PgSQL backend doesn't support it before
execution (I haven't found another information yet).

> My only thought was to provide an override for this in my library
> to force the parameter size when the driver does not return it.

Maybe you may depend on other information like PostgreSQL driver, ...

> Does anyone have a better workaround for this?

Sorry, I don't have one.

Regards,

Luf

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