/**
* @param callable $migration Closure that receives the table to operate on.
*
* <example>
* $migration->execute(function($table) {
* $table
* ->removeColumn('name')
* ->save();
* });
* </example>
*/
public function execute(callable $migration)
{
$this->logger->info("Starting LHM run on table={$this->origin->getName()}");
$sqlHelper = new SqlHelper($this->adapter);
if (!isset($options['atomic_switch'])) {
if ($sqlHelper->supportsAtomicSwitch()) {
$this->options['atomic_switch'] = true;
} else {
$version = $sqlHelper->versionString();
throw new \RuntimeException("Using mysql {$version}. You must explicitly set `options['atomic_switch']` (re SqlHelper::supportsAtomicSwitch)");
}
}
if (!$this->destination) {
$this->destination = $this->temporaryTable();
}
$this->setSessionLockWaitTimeouts();
$entangler = new Entangler($this->adapter, $this->origin, $this->destination, $sqlHelper);
$entangler->setLogger($this->logger);
if ($this->options['atomic_switch']) {
$switcher = new AtomicSwitcher($this->adapter, $this->origin, $this->destination, $this->options);
} else {
$switcher = new LockedSwitcher($this->adapter, $this->origin, $this->destination, $this->options);
}
$switcher->setLogger($this->logger);
$chunker = new Chunker($this->adapter, $this->origin, $this->destination, $sqlHelper, $this->options);
$chunker->setLogger($this->logger);
$migration($this->destination);
$entangler->run(function () use($chunker, $switcher) {
$chunker->run();
$switcher->run();
});
}
public function trigger($type)
{
return parent::trigger($type);
}
