Greg Sabino Mullane wrote:
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> The first release candidate for the new version of DBD::Pg is
> now available for testing. This is a very major change from the
> current version (1.49), so if you are using DBD::Pg, it is highly
> recommended you test it out early and thoroughly, so we can iron
> out any problems before the final release.
> Among the major changes are:
> * Full support for arrays: Perl arrays are transformed to Postgres
> arrays automatically, and vice-versa.
I presume this is "array type stored in a column", not "array for bulk loading" ?
Does Pg support native array binding of tuples yet ? The docs could be
a bit confusing. E.g., I'm not certain what "Supported by this driver as proposed by DBI."
means ? You may want to clarify that bit, and the difference
between "bind array to a column" vs. "binding an array of parameters")
Esp., does the COPY IN support native array binding (not the DBI default iterator) ?
> * Asynchronous queries, which let's you start a query, go off and do
> other things, and check back to see if it has finished, and fetch the
> data when you are ready to. This also allows you to cancel running queries.
Groovy! I'll have to give this a go w/ DBIx::Threaded's async
BTW: Do you have any examples that are "smarter" about
testing ready() ? I.e., grab the Pg socket, do a select() or poll(),
and only call ready() when there's activity on the socket ?
I've implemented a driver-specific function in DBD::Teradata to
do that internally (essentially, a select() for $dbh's + other filehandles).
Might be something to consider for Pg (I'd suggest support
at the DBI layer, except some drivers (e.g., ODBC) may not have access
to the underlying communication channel.
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