Re: [INTERFACES] SQLDA
От | Michael Meskes |
---|---|
Тема | Re: [INTERFACES] SQLDA |
Дата | |
Msg-id | 19990301200114.B833@gmx.net обсуждение исходный текст |
Ответ на | Re: [INTERFACES] SQLDA ("Thomas G. Lockhart" <lockhart@alumni.caltech.edu>) |
Список | pgsql-interfaces |
On Mon, Mar 01, 1999 at 05:06:45PM +0000, Thomas G. Lockhart wrote: > SQL92 has a standard for SQLDAs, though they are not called that in the > standard. "A Guide to the SQL Standard" by Date and Darwen discusses the > SQL92 version of SQLDAs, and points out that: > > "... several SQL products do already support some kind of SQLDA, and > even refer to it by that name, but those SQLDAs are typically not the > same as the 'SQLDA' defined in the standard. In particular, the standard > SQLDA is encapsulated (meaning that its internal structure is not > specified in the standard and is thus a fortiori hidden from the user), > whereas the same is typically not true of the SQLDAs in current > products." That's okay with me. Could we even use the PGresult structure as SQLDA? > They also point out that the standard includes facilities for allocating > SQL DA storage and provides mechanisms for moving data in and out of SQL > DAs. I wonder where to find this standard. Michael -- Michael Meskes | Go SF 49ers! Th.-Heuss-Str. 61, D-41812 Erkelenz | Go Rhein Fire! Tel.: (+49) 2431/72651 | Use Debian GNU/Linux! Email: Michael.Meskes@gmx.net | Use PostgreSQL!
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