[koha-commits] main Koha release repository branch new/bug_7886 created. v3.06.00-1105-g8a4b05b

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commit 8a4b05b9d69b4d62624df3fccd99b3514a7dac2a
Author: Paul Poulain <paul.poulain at biblibre.com>
Date:   Tue Apr 10 11:53:15 2012 +0200

    Bug 7886 follow-up DBRev number

commit d8e702dd25dfb09f99620ea9f5d3251033d16864
Author: Dobrica Pavlinusic <dpavlin at rot13.org>
Date:   Thu Apr 5 01:03:30 2012 +0200

    Bug 7886 - C4/ShelfBrowser slow SQL performance
    
    ShelfBrowser uses two SQL queries with syntax
    
    WHERE ((cn_sort = ? AND itemnumber < ?) OR cn_sort < ?)
    AND homebranch = ? AND location = ? AND ccode = ?
    
    homebranch already has index, and adding indexes on ccode and location
    improves performance by 30% for each query since MySQL is able to use
    index_merge intersect(items_ccode,homebranch,items_location)
    
    Signed-off-by: Paul Poulain <paul.poulain at biblibre.com>

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