_db_query_process_args
Definition
_db_query_process_args($query, $args, $options)
drupal/includes/database/database.inc, line 2239
Description
Backward-compatibility utility.
This function should be removed after all queries have been converted to the new API. It is temporary only.
@todo Remove this once the query conversion is complete.
Related topics
Name | Description |
|---|---|
| Database abstraction layer | Allow the use of different database servers using the same code base. |
Code
function _db_query_process_args($query, $args, $options) {
if (!is_array($options)) {
$options = array();
}
if (empty($options['target'])) {
$options['target'] = 'default';
}
// Temporary backward-compatibliity hacks. Remove later.
$old_query = $query;
$query = str_replace(array('%n', '%d', '%f', '%b', "'%s'", '%s'), '?', $old_query);
if ($old_query !== $query) {
$args = array_values($args); // The old system allowed named arrays, but PDO doesn't if you use ?.
}
// A large number of queries pass FALSE or empty-string for
// int/float fields because the previous version of db_query()
// casted them to int/float, resulting in 0. MySQL PDO happily
// accepts these values as zero but PostgreSQL PDO does not, and I
// do not feel like tracking down and fixing every such query at
// this time.
if (preg_match_all('/%([dsfb])/', $old_query, $m) > 0) {
foreach ($m[1] as $idx => $char) {
switch ($char) {
case 'd':
$args[$idx] = (int) $args[$idx];
break;
case 'f':
$args[$idx] = (float) $args[$idx];
break;
}
}
}
return array($query, $args, $options);
}