/**
* Returns the SQL to check if a value is one in a set of
* given values.
*
* in() accepts an arbitrary number of parameters. The first parameter
* must always specify the value that should be matched against. Successive
* must contain a logical expression or an array with logical expressions.
* These expressions will be matched against the first parameter.
*
* @param string $column the value that should be matched against
* @param string|array(string) values that will be matched against $column
* @return string logical expression
*/
public function getInExpression($column, $values)
{
if (!is_array($values)) {
$values = array($values);
}
$values = $this->getIdentifiers($values);
if (count($values) == 0) {
throw DoctrineException::valuesArrayForInOperatorInvalid();
}
return $column . ' IN (' . implode(', ', $values) . ')';
}
