in reply to Global dbh and inserts

I would recommend that things like last_insert_id be used only immediately after a statement that inserted something, and that the pair of statements be wrapped in an SQL transaction with an appropriate isolation level.   This kind of highly-temporal value must not be maintained in any sort of global variable.   If you do that, you will create a “random, un-reproducible, yet very fatal” bug of the very, very worst kind.

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Re^2: Global dbh and inserts
by SleepyJay (Beadle) on Feb 19, 2014 at 16:23 UTC

    Exactly what I was thinking, yes. Thanks guys! Sounds like I'm not insane (about this stuff, at least).

    I think I need to understand the Apache::DBI features better.