function hook_query_alter
| 7.x system.api.php | hook_query_alter(QueryAlterableInterface $query) |
Perform alterations to a structured query.
Structured (aka dynamic) queries that have tags associated may be altered by any module before the query is executed.
Parameters
$query: A Query object describing the composite parts of a SQL query.
See also
node_query_node_access_alter()
Related topics
3 functions implement hook_query_alter()
Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.
- database_test_query_alter in drupal-7.x/
modules/ simpletest/ tests/ database_test.module - Implements hook_query_alter().
- field_test_entity_query_alter in drupal-7.x/
modules/ field/ tests/ field_test.module - Implements hook_entity_query_alter().
- taxonomy_entity_query_alter in drupal-7.x/
modules/ taxonomy/ taxonomy.module - Implements hook_entity_query_alter().
File
- drupal-7.x/
modules/ system/ system.api.php, line 3228 - Hooks provided by Drupal core and the System module.
Code
function hook_query_alter(QueryAlterableInterface $query) {
if ($query->hasTag('micro_limit')) {
$query->range(0, 2);
}
}