Issue 10935: Improved "GROUP BY" handling

This commit is contained in:
Michael 2022-01-18 06:35:18 +00:00
parent 4298afd479
commit 615c6ca696
4 changed files with 62 additions and 38 deletions

View File

@ -1367,6 +1367,45 @@ class Database
return $this->toArray($this->select($table, $fields, $condition, $params));
}
/**
* Escape fields, adding special treatment for "group by" handling
*
* @param array $fields
* @param array $options
* @return array
*/
private function escapeFields(array $fields, array $options)
{
// In the case of a "GROUP BY" we have to add all the ORDER fields to the fieldlist.
// This needs to done to apply the "MAX(...)" treatment from below to them.
// Otherwise MySQL would report errors.
if (!empty($options['group_by']) && !empty($options['order'])) {
foreach ($options['order'] as $key => $field) {
if (!is_int($key)) {
if (!in_array($key, $fields)) {
$fields[] = $key;
}
} else {
if (!in_array($field, $fields)) {
$fields[] = $field;
}
}
}
}
array_walk($fields, function(&$value, $key) use ($options)
{
$field = $value;
$value = '`' . str_replace('`', '``', $value) . '`';
if (!empty($options['group_by']) && !in_array($field, $options['group_by'])) {
$value = 'MAX(' . $value . ') AS ' . $value;
}
});
return $fields;
}
/**
* Select rows from a table
*
@ -1403,7 +1442,8 @@ class Database
}
if (count($fields) > 0) {
$select_string = implode(', ', array_map([DBA::class, 'quoteIdentifier'], $fields));
$fields = $this->escapeFields($fields, $params);
$select_string = implode(', ', $fields);
} else {
$select_string = '*';
}

View File

@ -55,7 +55,7 @@ class Create extends BaseApi
$type = $this->getRequestValue($this->parameters, 'extension', 'json');
// input params
$desc = $this->getRequestValue($request, 'desc') ?? '';
$desc = $this->getRequestValue($request, 'desc', '');
$album = $this->getRequestValue($request, 'album');
$allow_cid = $this->getRequestValue($request, 'allow_cid');
$deny_cid = $this->getRequestValue($request, 'deny_cid');

View File

@ -70,32 +70,35 @@ class Profile extends BaseModule
$last_updated = $last_updated_array[$last_updated_key] ?? 0;
$condition = ["`uid` = ? AND NOT `contact-blocked` AND NOT `contact-pending`
AND `visible` AND (NOT `deleted` OR `gravity` = ?)
AND `wall` " . $sql_extra, $a->getProfileOwner(), GRAVITY_ACTIVITY];
if ($_GET['force'] && !empty($_GET['item'])) {
// When the parent is provided, we only fetch this
$sql_extra4 = " AND `parent` = " . intval($_GET['item']);
$condition = DBA::mergeConditions($condition, ['parent' => $_GET['item']]);
} elseif ($is_owner || !$last_updated) {
// If the page user is the owner of the page we should query for unseen
// items. Otherwise use a timestamp of the last succesful update request.
$sql_extra4 = " AND `unseen`";
$condition = DBA::mergeConditions($condition, ['unseen' => true]);
} else {
$gmupdate = gmdate(DateTimeFormat::MYSQL, $last_updated);
$sql_extra4 = " AND `received` > '" . $gmupdate . "'";
$condition = DBA::mergeConditions($condition, ["`received` > ?", $gmupdate]);
}
$items_stmt = DBA::p(
"SELECT `parent-uri-id` AS `uri-id`, MAX(`created`), MAX(`received`) FROM `post-user-view`
WHERE `uid` = ? AND NOT `contact-blocked` AND NOT `contact-pending`
AND `visible` AND (NOT `deleted` OR `gravity` = ?)
AND `wall` $sql_extra4 $sql_extra
GROUP BY `parent-uri-id` ORDER BY `received` DESC",
$a->getProfileOwner(),
GRAVITY_ACTIVITY
);
if (!DBA::isResult($items_stmt)) {
$items = Post::selectToArray(['parent-uri-id', 'created', 'received'], $condition, ['group_by' => ['parent-uri-id'], 'order' => ['received' => true]]);
if (!DBA::isResult($items)) {
return;
}
// @todo the DBA functions should handle "SELECT field AS alias" in the future,
// so that this workaround here could be removed.
$items = array_map(function ($item) {
$item['uri-id'] = $item['parent-uri-id'];
unset($item['parent-uri-id']);
return $item;
}, $items);
// Set a time stamp for this page. We will make use of it when we
// search for new items (update routine)
$last_updated_array[$last_updated_key] = time();
@ -113,8 +116,6 @@ class Profile extends BaseModule
}
}
$items = DBA::toArray($items_stmt);
$o .= DI::conversation()->create($items, 'profile', $a->getProfileOwner(), false, 'received', $a->getProfileOwner());
System::htmlUpdateExit($o);

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@ -446,26 +446,9 @@ class Notifier
if ($diaspora_delivery && !$unlisted) {
$batch_delivery = true;
$participants_stmt = DBA::p(
"SELECT
`batch`, `network`, `protocol`,
ANY_VALUE(`id`) AS `id`,
ANY_VALUE(`url`) AS `url`,
ANY_VALUE(`name`) AS `name`
FROM `contact`
WHERE `network` = ?
AND `batch` != ''
AND `uid` = ?
AND `rel` != ?
AND NOT `blocked`
AND NOT `pending`
AND NOT `archive`
GROUP BY `batch`, `network`, `protocol`",
Protocol::DIASPORA,
$owner['uid'],
Contact::SHARING
);
$participants = DBA::toArray($participants_stmt);
$participants = DBA::selectToArray('contact', ['batch', 'network', 'protocol', 'id', 'url', 'name'],
["`network` = ? AND `batch` != '' AND `uid` = ? AND `rel` != ? AND NOT `blocked` AND NOT `pending` AND NOT `archive`", Protocol::DIASPORA, $owner['uid'], Contact::SHARING],
['group_by' => ['batch', 'network', 'protocol']]);
// Fetch the participation list
// The function will ensure that there are no duplicates