On May 2, 2005, at 06:14 , Neil Conway wrote:
I'm not sure I quite follow you -- in some future version of the
backend in which prepared queries are invalidated, this would be
invisible to the client. The client wouldn't need to explicitly
check for the "liveness" of the prepared query, they could just
execute it -- if necessary, the backend will re-plan the query
before executing it.
$dbh->do("SET search_path TO one");
my $sth1 = $dbh->prepare_cached("SELECT * FROM test WHERE item = ?");
$sth1->execute("one");
$dbh->do("set search_path to two");
@{$dbh->{CachedKids}} = (); # Expire the cache!
my $sth2 = $dbh->prepare_cached("SELECT * FROM test WHERE item = ?");
$sth2->execute("two");
Regards,
David
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