/**
* Prepare
*
* @param string $sql
* @return Statement
*/
public function prepare($sql)
{
if (!$this->isConnected()) {
$this->connect();
}
$statement = $this->driver->createStatement($sql);
return $statement;
}
/**
* Execute
*
* @param null|array|Parameters $parameters
* @throws Exception\RuntimeException
* @return Result
*/
public function execute($parameters = null)
{
if (!$this->isPrepared) {
$this->prepare();
}
if (!$this->parameters instanceof Parameters) {
if ($parameters instanceof Parameters) {
$this->parameters = $parameters;
$parameters = null;
} else {
$this->parameters = new Parameters();
}
}
if (is_array($parameters)) {
$this->parameters->setFromArray($parameters);
}
if ($this->parameters->count() > 0) {
$this->bindParameters();
}
$return = $this->resource->execute();
if ($return === false) {
if (in_array($this->resource->errno, array(1060, 1061, 1062))) {
throw new Exception\DuplicateException($this->resource->error, $this->resource->errno);
}
throw new Exception\RuntimeException($this->resource->error);
}
if ($this->bufferResults === true) {
$this->resource->store_result();
$this->isPrepared = false;
$buffered = true;
} else {
$buffered = false;
}
$result = $this->driver->createResult($this->resource, $buffered);
return $result;
}