<?php/**
* @file
* Definition of Drupal\Core\Database\Driver\sqlite\Insert
*/namespaceDrupal\Core\Database\Driver\sqlite;
useDrupal\Core\Database\Query\InsertasQueryInsert;
/**
* SQLite specific implementation of InsertQuery.
*
* We ignore all the default fields and use the clever SQLite syntax:
* INSERT INTO table DEFAULT VALUES
* for degenerated "default only" queries.
*/class Insertextends QueryInsert {
public functionexecute() {
if (!$this
->preExecute()) {
returnNULL;
}
if (count($this->insertFields)) {
returnparent::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.$placeholders = array_fill(0, count($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($this->fromQuery)) {
return$comments . 'INSERT INTO {' . $this->table . '} (' . implode(', ', $this->insertFields) . ') ' . $this->fromQuery;
}
return$comments . 'INSERT INTO {' . $this->table . '} (' . implode(', ', $this->insertFields) . ') VALUES (' . implode(', ', $placeholders) . ')';
}
}