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Bug 7276 : member entry Performance improvement

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Before this patch : 9619 borrowers added in 31 Minutes, After : 68 seconds.
This adds Hashref to table structure in C4::SQLHelper to speed up bulk edits.

Signed-off-by: Stéphane Delaune <stephane.delaune@biblibre.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
This commit is contained in:
Henri-Damien LAURENT 2011-11-29 10:57:14 +01:00 committed by Paul Poulain
parent b08ccda99d
commit 6c38cc23d9
1 changed files with 33 additions and 6 deletions
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39
C4/SQLHelper.pm
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@ -27,6 +27,22 @@ use C4::Debug;
require Exporter;
use vars qw($VERSION @ISA @EXPORT_OK %EXPORT_TAGS);
eval {
my $servers = C4::Context->config('memcached_servers');
if ($servers) {
require Memoize::Memcached;
import Memoize::Memcached qw(memoize_memcached);
my $memcached = {
servers => [$servers],
key_prefix => C4::Context->config('memcached_namespace') || 'koha',
};
memoize_memcached( '_get_columns', memcached => $memcached, expire_time => 600000 ); #cache for 10 minutes
memoize_memcached( 'GetPrimaryKeys', memcached => $memcached, expire_time => 600000 ); #cache for 10 minutes
}
};
BEGIN {
# set the version for version checking
$VERSION = 0.5;
@ -43,6 +59,9 @@ BEGIN {
);
}
my $tablename;
my $hashref;
=head1 NAME
C4::SQLHelper - Perl Module containing convenience functions for SQL Handling
@ -247,16 +266,24 @@ With
=cut
sub _get_columns($) {
my ($tablename)=@_;
my $dbh=C4::Context->dbh;
my $sth=$dbh->prepare_cached(qq{SHOW COLUMNS FROM $tablename });
$sth->execute;
my $columns= $sth->fetchall_hashref(qw(Field));
my ($tablename) = @_;
unless ( exists( $hashref->{$tablename} ) ) {
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare_cached(qq{SHOW COLUMNS FROM $tablename });
$sth->execute;
my $columns = $sth->fetchall_hashref(qw(Field));
$hashref->{$tablename} = $columns;
}
return $hashref->{$tablename};
}
=head2 _filter_columns
_filter_columns($tablename,$research, $filtercolumns)
=over 4
_filter_columns($tablename,$research, $filtercolumns)
=back
Given
- a tablename