Testing a DB connection
stephenREVOLUTION2 at barncard.com
Wed May 26 13:27:24 EDT 2010
SELECT "any text"
if you don't get a revDB error, it's there. But I've found there is
surprisingly little overhead in just opening and closing the database for
every query, unless one needs a rapid-fire sequence of queries. Then one
could program the open and close for the burst.
On 26 May 2010 09:50, Alex Adams <alex at a2technology.com> wrote:
> Does anyone have a simple technique for testing to see if a DB connection
> still functioning before trying to use it to execute some SQL?
> I have an app that accesses hosted databases directly (postgres). Users
> logon at app startup. If they let the app sit for long enough, the
> connection to the DB server is dropped. This is reasonable, but I want a
> simple way of testing to see if the connection has been dropped and if it
> has to reestablish the connection transparently before executing SQL
> I need a simple isDBStillThere handler. Is anyone doing anything similar?
> Alex Adams
> hawkVision ‹ tools for solving Wicked Problems
> (a)2 Technology Partners, Inc.
> alex at a2technology.com
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