[Koha-bugs] [Bug 25603] Add 001 and 003 to biblio table

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=25603

--- Comment #10 from David Cook <dcook at prosentient.com.au> ---
(In reply to Katrin Fischer from comment #8)
> Hm, using ExtractValue is slow, especially on big databases. As Magnus says
> in lot of use cases a quick access to 001 and 003 for matching is really
> helpful. We have started to map the biblioitems.ean to 001 for use in
> reports etc. as the 001 is so important to us. The column is indexed and not
> mapped by default in MARC21 - but it remains a bit of a workaround and I'd
> be happy about a real controlnumber column.

Hmm, ok, I think I'm convinced.

We're still living in a MARC centric world, so there's no reason not to add it.

And I doubt Koha will ever use the 001 instead of the 999$c, so even if it
isn't ideal from a MARC perspective, it does seem like a practical move. 

I know I hate using ExtractValue in databases in the hundreds of thousands or
millions of records O_O.

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