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feature 2810: for duplicates filter, add "date & time" (checked by default) and "width & height" as options.

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Change algorithm for a single SQL query with GROUP_CONCAT instead of 2 queries.


git-svn-id: http://piwigo.org/svn/trunk@29244 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
plegall
2014-08-22 08:56:51 +00:00
parent 0e20e01efb
commit 3d362a235f
5 changed files with 57 additions and 13 deletions
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admin/batch_manager.php
+38 -12
View File
@@ -79,6 +79,19 @@ if (isset($_POST['submitFilter']))
if (isset($_POST['filter_prefilter_use']))
{
$_SESSION['bulk_manager_filter']['prefilter'] = $_POST['filter_prefilter'];
if ('duplicates' == $_POST['filter_prefilter'])
{
if (isset($_POST['filter_duplicates_date']))
{
$_SESSION['bulk_manager_filter']['duplicates_date'] = true;
}
if (isset($_POST['filter_duplicates_dimensions']))
{
$_SESSION['bulk_manager_filter']['duplicates_dimensions'] = true;
}
}
}
if (isset($_POST['filter_category_use']))
@@ -300,23 +313,36 @@ SELECT
case 'duplicates':
// we could use the group_concat MySQL function to retrieve the list of
// image_ids but it would not be compatible with PostgreSQL, so let's
// perform 2 queries instead. We hope there are not too many duplicates.
$duplicates_on_fields = array('file');
if (isset($_SESSION['bulk_manager_filter']['duplicates_date']))
{
$duplicates_on_fields[] = 'date_creation';
}
if (isset($_SESSION['bulk_manager_filter']['duplicates_dimensions']))
{
$duplicates_on_fields[] = 'width';
$duplicates_on_fields[] = 'height';
}
$query = '
SELECT file
SELECT
GROUP_CONCAT(id) AS ids
FROM '.IMAGES_TABLE.'
GROUP BY file, date_creation
GROUP BY '.implode(',', $duplicates_on_fields).'
HAVING COUNT(*) > 1
;';
$duplicate_files = query2array($query, null, 'file');
$array_of_ids_string = query2array($query, null, 'ids');
$query = '
SELECT id
FROM '.IMAGES_TABLE.'
WHERE file IN (\''.implode("','", array_map('pwg_db_real_escape_string', $duplicate_files)).'\')
;';
$filter_sets[] = query2array($query, null, 'id');
$ids = array();
foreach ($array_of_ids_string as $ids_string)
{
$ids = array_merge($ids, explode(',', $ids_string));
}
$filter_sets[] = $ids;
break;