/**
* Set query
*
* Set the query to be executed
*
* @param string $query target query
* @param int $limit number of results to show
* @param int $offset result offset
*
* @return AeInterface_Database self
*/
public function setQuery($query, $limit = null, $offset = 0)
{
if ($limit instanceof AeScalar) {
$limit = $limit->getValue();
}
if ($offset instanceof AeScalar) {
$offset = $offset->getValue();
}
// *** Check if limit and offset were set
if (is_numeric($limit) && !preg_match('#^\\s*INSERT\\s+#i', $query) && !preg_match('#\\s+LIMIT\\s+(?:\\d+\\s*,\\s*)?\\d+(?:\\s+OFFSET\\s+\\d+)?\\s*$#i', $query)) {
$query .= "\nLIMIT " . (int) $limit;
if (is_numeric($offset) && $offset > 0) {
$query .= ' OFFSET ' . (int) $offset;
}
}
$this->setResult(null);
$this->_query = AeDatabase::replacePrefix((string) $query, $this->getPrefix());
return $this;
}
/**
* Get connection
*
* Returns a database connection. If the connection is not established, uses
* options provided to establish one.
*
* @throws AeSessionDriverDatabaseException #400 if database options are
* invalid
*
* @return AeInterface_Database
*/
public function getConnection()
{
if ($this->_connection instanceof AeInterface_Database && !$this->_connection->isConnected()) {
// *** The connection is lost, try to reestablish it
$this->_connection = null;
}
if (!$this->_connection instanceof AeInterface_Database) {
// *** Establish connection first
if ($this->_options instanceof AeArray) {
// *** An array of settings
if (isset($this->_options['name'])) {
// *** Connection name and settings file path assumed
$this->_connection = AeDatabase::getConnection($this->_options['name'], $this->_options['settings']);
} else {
if (isset($this->_options['driver'])) {
// *** Connection options array assumed
$this->_connection = AeDatabase::getInstance($this->_options['driver'], $this->_options['username'], $this->_options['password'], $this->_options['options']->value);
} else {
// *** Invalid options array
throw new AeSessionDriverDatabaseException('Invalid database connection options', 400);
}
}
} else {
if ($this->_options instanceof AeCallback) {
// *** A callback
$this->_connection = $this->_options->call();
if (!$this->_connection instanceof AeInterface_Database) {
// *** Invalid callback return value
throw new AeSessionDriverDatabaseException('Invalid database connection options', 400);
}
} else {
// *** Invalid options value
throw new AeSessionDriverDatabaseException('Invalid database connection options', 400);
}
}
}
return $this->_connection;
}