From: | Michael Meskes <meskes(at)postgreSQL(dot)org> |
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To: | "S(dot)F(dot) Lee" <sflee_tw(at)yahoo(dot)com> |
Cc: | pgsql-interfaces(at)postgreSQL(dot)org |
Subject: | Re: [INTERFACES] manipulate array wiht ecpg |
Date: | 1999-12-29 12:34:01 |
Message-ID: | 19991229133401.B324@fam-meskes.de |
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Lists: | pgsql-interfaces |
On Tue, Dec 28, 1999 at 10:40:52PM -0800, S.F. Lee wrote:
> After getting temp from exec sql select ....., I use
> strtol() to convert temp.a into a integer array, and
> it works! I now have another problem that is I can get
Still I would prefer a better handling by ecpg. :-)
> the tuples by sqlca.sqlerrd[2], but how can I get the
> type of each field that has been selected? In libpq++
> FieldType(n) can get the type of field, how about in
> ecpg?
I do not know a way other than querying the data dictionary. What does the
standard say? Should we return such info?
What do other RDBMS do in this scenario?
Is there a way I can give this info back anyway. Right now I cannot imagine
one since we give back the whole tuple at once. Where shall we store these
per attribute infos?
Michael
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