| protected getMigrationHistory ( integer $limit ) : array | ||
| $limit | integer | the maximum number of records in the history to be returned |
| return | array | the migration history |
protected function getMigrationHistory($limit)
{
if ($this->db->schema->getTableSchema($this->migrationTable, true) === null) {
$this->createMigrationHistoryTable();
}
$query = new Query();
$rows = $query->select(['version', 'alias', 'apply_time'])->from($this->migrationTable)->orderBy('version DESC')->limit($limit)->createCommand($this->db)->queryAll();
$history = ArrayHelper::map($rows, 'version', 'apply_time');
foreach ($rows as $row) {
$history[$row['version']] = ['apply_time' => $row['apply_time'], 'alias' => $row['alias']];
}
unset($history[self::BASE_MIGRATION]);
return $history;
}