/**
* Expands simple SQL query. Adds filter, group, sort, limit and offset to existing query.
*
* @param Ucc\Db\Sql\Query $query Instance of the Query to expand. This must be a simple
* query to work.
* @param array $options Array of options to pass to query.
* @param array $fieldMap Field map to use when building the query.
*/
public static function expandSimpleQuery(Query $query, $options = array(), $fieldMap = array())
{
// Get SQL statement, we will work arround it
// Remove white space from SQL
$sql = trim($query->getStatement());
$clauses = array();
$limit = false;
$offset = false;
foreach (self::$defaultOptions as $option) {
if (!empty($options[$option])) {
$optionSettings = $options[$option];
} else {
$optionSettings = array();
}
$method = 'get' . ucfirst($option) . 'Sql';
$clauses[$option] = SQL::$method($optionSettings, $fieldMap);
}
// Import parameters from filter
$query->setParameters(array_merge($query->getParameters(), $clauses['filter']['paramiters']));
// Build LIMIT clause
// get limit from options
if (isset($options['limit'])) {
$limit = $options['limit'];
}
// get offset from options
if (isset($options['offset'])) {
$offset = $options['offset'];
}
$clauses['limit'] = SQL::getLimitSql($limit, $offset);
if (!empty($clauses['filter']['where'])) {
$sql .= ' ' . $clauses['filter']['where'];
}
if (!empty($clauses['group'])) {
$sql .= ' ' . $clauses['group'];
}
if (!empty($clauses['filter']['having'])) {
$sql .= ' ' . $clauses['filter']['having'];
}
if (!empty($clauses['sort'])) {
$sql .= ' ' . $clauses['sort'];
}
if (!empty($clauses['limit'])) {
$sql .= ' ' . $clauses['limit'];
}
$query->setStatement($sql);
return $query;
}
/**
* Runs MySQL PDO query result
*
*/
public function mysqlPdoQuery(PDO_Query $query)
{
//Enable PDO to throw errors as exceptions
$this->getDbh()->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
try {
if ($sth = $this->dbh->prepare($query->getStatement())) {
if ($sth->execute($query->getParameters())) {
return new Result($sth);
}
}
} catch (PDOException $e) {
throw new DbConnectionException($e->getMessage());
}
}
/**
* @dataProvider expandSimpleQueryProvider
*/
public function testExpandSimpleQuery($query, $options, $expected, $fieldMap = array())
{
$result = Query::expandSimpleQuery($query, $options, $fieldMap);
$this->assertEquals($expected, $result);
}
