/**
* Turns Criterion into IN Sql Clause
*
* @param Criterion $criterion Criterion to process
* @param string $placeHolder Placeholder for parameter name
* @param array $fieldMap Array representing field map
*/
public static function criterionToInClause(Criterion $criterion, $placeHolder = 'filter_0', $fieldMap = array())
{
// Create local operand and collate
$op = false;
$collate = false;
$clause = new Clause();
switch ($criterion->op()) {
case 'in':
$op = 'IN';
$collate = 'utf8_bin';
break;
case 'nin':
$op = 'NOT IN';
$collate = 'utf8_bin';
break;
case 'ini':
$op = 'IN';
$collate = 'utf8_general_ci';
break;
case 'nini':
$op = 'NOT IN';
$collate = 'utf8_general_ci';
break;
}
if ($op && $collate) {
if ($criterion->type() == Criterion::CRITERION_TYPE_VALUE) {
// Values should be in a comma separated list.
$values = explode(',', $criterion->value());
// We must add a parameter and a placeholder for each value.
$placeHolders = array();
foreach ($values as $key => $value) {
$clause->setParameter($placeHolder . '_' . $key, $value);
$placeHolders[] = ':' . $placeHolder . '_' . $key . ' COLLATE ' . $collate;
}
// The comparand for this operation is the list of values.
$comparand = '(' . implode(', ', $placeHolders) . ')';
} elseif ($criterion->type() == Criterion::CRITERION_TYPE_FIELD) {
// Field names should be in a comma separated list.
$fList = explode(',', $criterion->value());
foreach (array_keys($fList) as $key) {
$fList[$key] = self::getSafeFieldName($fList[$key], $fieldMap) . ' COLLATE ' . $collate;
}
// The comparand for this operation is the list of field names.
$comparand = '(' . implode(', ', $fList) . ')';
}
// Escape, quote and qualify the field name for security.
$field = self::getSafeFieldName($criterion->key(), $fieldMap);
// Build the final clause.
// Use end wild-card character for "begins with".
$clause->setStatement(self::addLogic($criterion) . ' ' . $field . ' ' . $op . ' ' . $comparand);
}
return $clause;
}
