[Koha-bugs] [Bug 16855] Poor performance due to high overhead of SQL call in export.pl

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16855

--- Comment #1 from Nick Clemens <nick at bywatersolutions.com> ---
Created attachment 53110
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=53110&action=edit
Bug 16855 - Poor performance due to high overhead of SQL call in export.pl

This patch eliminates all columns retrieved in the biblioitems query
except for biblionumber.

To test:
1 - Go to tools->Export data
2 - Export using various filters and note you get expected records
3 - Apply patch
4 - Ensure exported results match results before patch

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