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- shows the element representing a non empty category in cat_modify

Browse source 
- possibility to set a random representing element for a category

- bug fixed : update_category function could not update nb_images

- bug fixed : mass_updates was inserting in the wrong table


git-svn-id: http://piwigo.org/svn/trunk@633 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
plegall 2004-12-04 17:42:07 +00:00
commit b3336f57d5
5 changed files with 67 additions and 22 deletions
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41
admin/include/functions.php
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@ -453,7 +453,9 @@ function update_category($id = 'all')
$cat_ids = array();
$query = '
SELECT category_id, COUNT(image_id) AS count, max(date_available) AS date_last
SELECT category_id,
COUNT(image_id) AS nb_images,
MAX(date_available) AS date_last
FROM '.IMAGES_TABLE.'
INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id';
if (is_numeric($id))
@ -471,10 +473,10 @@ SELECT category_id, COUNT(image_id) AS count, max(date_available) AS date_last
array_push($cat_ids, $row['category_id']);
array_push($datas, array('id' => $row['category_id'],
'date_last' => $row['date_last'],
'count' => $row['count']));
'nb_images' => $row['nb_images']));
}
$fields = array('primary' => array('id'),
'update' => array('date_last', 'count'));
'update' => array('date_last', 'nb_images'));
mass_updates(CATEGORIES_TABLE, $fields, $datas);
if (count($cat_ids) > 0)
@ -839,11 +841,10 @@ function mass_updates($tablename, $dbfields, $datas)
// update queries
$query = 'SELECT VERSION() AS version;';
$row = mysql_fetch_array(pwg_query($query));
if (version_compare($row['version'],'4.0.4') < 0)
if (count($datas) < 10 or version_compare($row['version'],'4.0.4') < 0)
{
// MySQL is prior to version 4.0.4, multi table update feature is not
// available
echo 'MySQL is prior to version 4.0.4, multi table update feature is not available<br />';
foreach ($datas as $data)
{
$query = '
@ -914,7 +915,7 @@ PRIMARY KEY (id)
)
;';
pwg_query($query);
mass_inserts($tablename, $all_fields, $datas);
mass_inserts($tablename.'_temporary', $all_fields, $datas);
// update of images table by joining with temporary table
$query = '
UPDATE '.$tablename.' AS t1, '.$tablename.'_temporary AS t2
@ -1092,4 +1093,32 @@ UPDATE '.CATEGORIES_TABLE.'
pwg_query($query);
}
}
/**
* set a new random representant to the categories
*
* @param array categories
*/
function set_random_representant($categories)
{
$datas = array();
foreach ($categories as $category_id)
{
$query = '
SELECT image_id
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE category_id = '.$category_id.'
ORDER BY RAND()
LIMIT 0,1
;';
list($representative) = mysql_fetch_array(pwg_query($query));
$data = array('id' => $category_id,
'representative_picture_id' => $representative);
array_push($datas, $data);
}
$fields = array('primary' => array('id'),
'update' => array('representative_picture_id'));
mass_updates(CATEGORIES_TABLE, $fields, $datas);
}
?>