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 ?
 
Thank's

Jean-Marie

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