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1. drupal
   1. drupal7

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.

Übergabeparameter

$query A Query object describing the composite parts of a SQL query.

Rückgabewert

None.

See also

hook_query_TAG_alter()

node_query_node_access_alter()

QueryAlterableInterface

SelectQueryInterface

Verwandte Themen

Hooks

Allow modules to interact with the Drupal core.

Code

modules/system/system.api.php, line 1468

<?php
function hook_query_alter(QueryAlterableInterface $query) {
  if ($query->hasTag('micro_limit')) {
    $query->range(0, 2);
  }
}
?>