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QueryProvider.php
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QueryProvider.php
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<?php
class QueryProvider extends \charris\PODataSimple\SimpleQueryProvider
{
public function __construct(\PDO $db){
parent::__construct($db);
}
/**
* Get associated array with rows
* @param string $sql SQL query
* @param array $parameters Parameters for SQL query
* @return mixed[]|null
*/
protected function queryAll($sql, $parameters = null)
{
$statement = $this->db->prepare($sql);
$statement->execute($parameters);
return $statement->fetchAll(PDO::FETCH_ASSOC);
}
/**
* Get one value
* @param string $sql SQL query
* @param array $parameters Parameters for SQL query
* @return mixed|null
*/
protected function queryScalar($sql, $parameters = null)
{
$statement = $this->db->prepare($sql);
$statement->execute($parameters);
$data = $statement->fetchAll(PDO::FETCH_COLUMN);
if ($data) {
return $data[0];
}
return null;
}
/**
* Execute query
* @param string $sql SQL query
* @param array $parameters Parameters for SQL query
* @return mixed|null
*/
protected function execute($sql, $parameters = null)
{
$statement = $this->db->prepare($sql);
return $statement->execute($parameters);
}
}