On Oct 20, 2008, at 5:38 PM, jm cuaz wrote:

> Hello,
>
> We try to port an application specialised in financial calculus  
> written
> in VBA + MS Access toward Tcl + Sqlite.
>
> In this application, 90% of the calculus is directly processed at the
> SQL level via INSERT/UPDATE statements executed against the db, and
> subsets are calculated with INNER JOINS between the tables inside each
> statement.
> In consequence, our statements are easily dealing with 3/4 tables (not
> rarely more) at once.
>
> But in this purpose, we encounter a severe issue in the fact that in
> Sqlite, UPDATE statements, in the contrary of INSERT statements,
> doesn't  compute several tables at once.
>
> On this mailing list, Igor Tandetnik (thank's Igor) showed us a
> workaround via subqueries inserted in the FROM and WHERE clauses of
> UPDATE statements.
>
> But, while not impossible, it is difficult to do so when the number of
> tables involved is greater than 3.
>
> Ticket 3222 had still made a request in this direction.
>
> Does anybody kows if there is any plan for enhancing Sqlite's UPDATE
> statement  in this  direction ?

As far as I know there is no such plan.

Dan.

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