Re: basic questions with odbc and visual basic.
От | Merlin Moncure |
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Тема | Re: basic questions with odbc and visual basic. |
Дата | |
Msg-id | 6EE64EF3AB31D5448D0007DD34EEB3412A74C8@Herge.rcsinc.local обсуждение исходный текст |
Ответ на | basic questions with odbc and visual basic. ("Merlin Moncure" <merlin.moncure@rcsonline.com>) |
Ответы |
Re: basic questions with odbc and visual basic.
Re: basic questions with odbc and visual basic. |
Список | pgsql-odbc |
> For manipulating the data -- Access works pretty good as long as Access > can know which record(s) to update (primary keys or OIDs -- that sort of > thing). Looking deeper it seems all my problems are really boiling down to one problem: the where clause used to update the edited record back to the server. Both access and vb generate a where clause that includes every field in the table instead of the p-key. For various sundry reasons such as improper handling of null values, etc. this where clause gets busted. This problem is aggravated by the fact that all my domains get treated as text types, although this is correctable by using a view which I was planning to use anyways (aside: I make heavy use of domains). This busted where clause trips up vb and access in different ways. This may be a case where I may want to explore hacking the odbc driver to get it to do what I want, depending on who is building the clause. My guess is the ado driver is building it so I'm basically hosed. It's really queer to me that they use the p-key to pull the data out and the entire record to write the data back...what's the point of the p-key anyways? The odbc driver is supposed to have a property exposed to the ado wrapper that allows you to constrain the write-back where clause to different things, but apparently this does not work in pgsql-odbc. I tried the ole db driver and got nowhere, couldn't even get a basic connection. Hopefully I can get this corrected and work with this driver a little bit. I have about two weeks to figure out the best way to proceed. So far, I'm really unimpressed with the ado architecture, this being my first real experience with it (as compared to ado.net, which is a dream to work with). Merlin
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