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Re: Need help in Perl DBI (SQLite) execute behaviour

by Corion (Patriarch)
on Jul 12, 2013 at 12:27 UTC ( [id://1043957]=note: print w/replies, xml ) Need Help??


in reply to Need help in Perl DBI (SQLite) execute behaviour

DBI documents the return value from ->do and ->execute.

->do returns the number of affected rows, as does ->execute, but only if the number is actially known to the database driver.

I wouldn't place too much importance on the return value except its truthyness.

Replies are listed 'Best First'.
Re^2: Need help in Perl DBI (SQLite) execute behaviour
by sam_bakki (Pilgrim) on Jul 12, 2013 at 14:10 UTC

    Hi Corion

    I think I was not explained my problem clearly. I also do not worry about the return value but the DELETE query behaves differently in execute & do.

    $dbHandle->do is not deleting the DB rows. This is what my expected behaviour because , Ex: SESSION_MAX_LIFE_TIME = 900 secs (15mins), and $now is perl's time() function value. I would like to delete session id which is more than 15 mins old. In this case, session ids are just created, it needs to live for 15 mins.

    $stHandle->execute just deletes all the sessionsids (all db rows in database) , It should behave like $dbHandle->do right?.

    Thanks & Regards,
    Bakkiaraj M
    My Perl Gtk2 technology demo project - http://code.google.com/p/saaral-soft-search-spider/ , contributions are welcome.

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