/**
* drop sequence and triggers if exists, autoincrement objects
*
* @param string $table
* @return null
*/
public function dropAutoIncrementObjects($table)
{
// drop sequence and trigger object
$prefix = $this->connection->getTablePrefix();
// get the actual primary column name from table
$col = $this->getPrimaryKey($prefix . $table);
// if primary key col is set, drop auto increment objects
if (isset($col) and !empty($col)) {
// drop sequence for auto increment
$sequenceName = $this->createObjectName($prefix, $table, $col, 'seq');
$this->sequence->drop($sequenceName);
// drop trigger for auto increment work around
$triggerName = $this->createObjectName($prefix, $table, $col, 'trg');
$this->trigger->drop($triggerName);
}
}
