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Re^2: DBD and bind_param (Oracle)

by Skeeve (Vicar)
on Dec 09, 2010 at 14:23 UTC ( #876256=note: print w/replies, xml ) Need Help??

in reply to Re: DBD and bind_param (Oracle)
in thread DBD and bind_param (Oracle)

Not the answer I wanted to read but at least I don't need to search any further.

Thanks to both of you.


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Re^3: DBD and bind_param (Oracle)
by herveus (Parson) on Dec 09, 2010 at 15:55 UTC

    Now, there are other ways to work the problem that retain the use of bind variables. Consider:

    my @values = qw/1 2 3/; my $sql = 'select * from foo where x in (' . join(', ', ('?') x @in_va +lues) . ')'; $dbh->prepare($sql)->execute(@values);

    This preserves the use of placeholders and the benefits therefrom while adapting to the changing number of parameters. You can't avoid constructing the query to fit the data.


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[Corion]: Hmm. I think overnight I decided on simplifying some code. I have plugin classes that do data import (.csv, .yml, .json) and for that create objects on which then ->load() is called. But YAML::XS doesn't have an object, so I wrote my own wrapper.
[Corion]: This evening, I'll kill that wrapper again, and just call LoadFile() in the plugin class directly instead of creating a go-between object for no real gain.
[Corion]: Writing these import plugins was really nice though - in about 2 hours, I had imports for CSV, YAML and JSON, and adding XLS(X), SQLite (or DBI) data sources is also trivial. I'm idly wondering about separating the plugin into transport+parser, so ...
[Corion]: ... http:// URLs could be retrieved and then parsed, but I think that that would be overkill for a toy static site generator ;)

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