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   1. drupal7

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Database abstraction layer

Allow the use of different database servers using the same code base.

Code

includes/database/select.inc, line 883

<?php
public function execute() {
  // Modules may alter all queries or only those having a particular tag.
  drupal_alter('query', $this);
  if (isset($this->alterTags)) {
    foreach ($this->alterTags as $tag => $value) {
      drupal_alter("query_$tag", $this);
    }
  }

  $args = $this->getArguments();

  if (!empty($this->range)) {
    return $this->connection->queryRange((string) $this, $args, $this->range['start'], $this->range['length'], $this->queryOptions);
  }
  return $this->connection->query((string) $this, $args, $this->queryOptions);
}
?>