protected function _getDownSql($migrationId, $checkLastMigrationId = true)
{
if (!$migrationId) {
$this->_writeError('Need Migration ID');
}
$allMigrationId = $this->_getMigrations();
if (!$allMigrationId) {
$this->_writeError('No actual migrations');
}
if (!in_array($migrationId, $allMigrationId) && !in_array($migrationId, array_map(function ($item) {
return substr($item, 0, 14);
}, $allMigrationId))) {
$this->_writeError('Wrong Migration ID: migration ' . $migrationId . ' not exist');
}
if ($this->getLastMigrationId()) {
preg_match('/^(\\d{14})/', $this->getLastMigrationId(), $s);
$lastMigrationIdOnlyDigits = $s[1];
} else {
$lastMigrationIdOnlyDigits = 0;
}
preg_match('/^(\\d{14})/', $migrationId, $s);
$currentMigrationIdOnlyDigits = $s[1];
$validMigrationId = array();
if ($checkLastMigrationId) {
foreach ($allMigrationId as $currentMigrationId) {
preg_match('/^(\\d{14})/', $currentMigrationId, $part);
if ($part[0] > $lastMigrationIdOnlyDigits || $part[0] < $currentMigrationIdOnlyDigits) {
continue;
}
$validMigrationId[] = $currentMigrationId;
}
} else {
$validMigrationId = $allMigrationId;
}
if (!$validMigrationId) {
return array();
}
rsort($validMigrationId);
$out = array();
foreach ($validMigrationId as $currentMigrationId) {
$migration = new Migration($currentMigrationId);
$out[] = array('migrationId' => $migration->getMigrationId(), 'sql' => $migration->getDownSql(), 'description' => $migration->getDescription());
}
return $out;
}