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<?php | |
/** | |
* @file | |
* Contains \Drupal\Core\Database\Driver\sqlite\Insert. | |
*/ | |
namespace Drupal\Core\Database\Driver\sqlite; | |
use Drupal\Core\Database\Query\Insert as QueryInsert; | |
/** | |
* SQLite implementation of \Drupal\Core\Database\Query\Insert. | |
* | |
* We ignore all the default fields and use the clever SQLite syntax: | |
* INSERT INTO table DEFAULT VALUES | |
* for degenerated "default only" queries. | |
*/ | |
class Insert extends QueryInsert { | |
public function execute() { | |
if (!$this->preExecute()) { | |
return NULL; | |
} | |
if (count($this->insertFields) || !empty($this->fromQuery)) { | |
return parent::execute(); | |
} | |
else { | |
return $this->connection->query('INSERT INTO {' . $this->table . '} DEFAULT VALUES', array(), $this->queryOptions); | |
} | |
} | |
public function __toString() { | |
// Create a sanitized comment string to prepend to the query. | |
$comments = $this->connection->makeComment($this->comments); | |
// Produce as many generic placeholders as necessary. | |
$placeholders = array(); | |
if (!empty($this->insertFields)) { | |
$placeholders = array_fill(0, count($this->insertFields), '?'); | |
} | |
// If we're selecting from a SelectQuery, finish building the query and | |
// pass it back, as any remaining options are irrelevant. | |
if (!empty($this->fromQuery)) { | |
$insert_fields_string = $this->insertFields ? ' (' . implode(', ', $this->insertFields) . ') ' : ' '; | |
return $comments . 'INSERT INTO {' . $this->table . '}' . $insert_fields_string . $this->fromQuery; | |
} | |
return $comments . 'INSERT INTO {' . $this->table . '} (' . implode(', ', $this->insertFields) . ') VALUES (' . implode(', ', $placeholders) . ')'; | |
} | |
} |