[Koha-bugs] [Bug 6990] TransformKohaToMarc enhancement

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

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6990

Chris Cormack <chris at bigballofwax.co.nz> changed:

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--- Comment #5 from Chris Cormack <chris at bigballofwax.co.nz> 2011-12-31 07:35:14 UTC ---
Created attachment 6992
  --> http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=6992
TransformKohaToMarc enhancement

TransformKohaToMarc function is called for each biblio and item that has
to be build. This function execute a DB statement for each Koha field
that has to be mapped to a MARC tag/letter. This impact deeply
performances for script like rebuild_zebra, especially since items are
not anymore in bilio records and have to be rebuild on the fly.

I'm proposing a patch which read Koha field to MARC field mapping just
one time and cache it. My test show a 30% execution time improvement on
rebuild_zebra.pl script. It uses already cached mapping in C4::Context.

Signed-off-by: Chris Cormack <chris at bigballofwax.co.nz>

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