[koha-commits] main Koha release repository branch new/bug_7846 created. v3.08.00-143-g5baa35a

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commit 5baa35ad3b33ec1cc0dea906fe369eb74366d131
Author: Dobrica Pavlinusic <dpavlin at rot13.org>
Date:   Thu Mar 29 15:39:17 2012 +0200

    Bug 7846 - get_batch_summary massive speedup
    
    current code is using DISTINCT and another SQL query which can be replaced with GROUP BY
    for massive speedup. In our case, generating Manage Batches screen DBI time decreased
    from 24.762 s to 0.147 s
    
    Aside from correct usage of relational database, this change also cleans up code nicely.
    
    This change removed semi-columns from SQL query which broke Manage Patron batches.
    
    Test scenario:
    
    1. open Manage Batches screen and take note of time needed to generate it
    2. apply this patch
    3. reload page and check page genration time
    
    Signed-off-by: Chris Cormack <chrisc at catalyst.net.nz>
    Signed-off-by: Paul Poulain <paul.poulain at biblibre.com>

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