/**
* @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 testSupportsAtomicSwitch()
{
$versions = ['3.0.1' => true, '4.0.1' => false, '4.2.2' => true, '4.20.1' => true, '5.0.20' => false, '5.0.57' => true, '5.1.3' => false, '5.4.2' => false, '5.4.4' => true, '5.5.2' => false, '5.5.3' => true, '5.5.4' => true, '6.0.3' => false, '6.0.10' => false, '6.0.11' => true, '6.0.12' => true];
$expectedIterator = new \ArrayIterator($versions);
$matcherIterator = new \ArrayIterator(array_keys($versions));
$matcher = $this->any();
$this->adapter->expects($matcher)->method('query')->with("show variables like 'version'")->will($this->returnCallback(function () use($matcherIterator) {
$value = $matcherIterator->current();
$matcherIterator->next();
$mock = $this->getMockBuilder(\stdClass::class)->setMethods(['fetchColumn'])->disableOriginalConstructor()->getMock();
$mock->expects($this->once())->method('fetchColumn')->will($this->returnValue($value));
return $mock;
}));
foreach ($expectedIterator as $version => $expected) {
$this->assertEquals($expected, $this->helper->supportsAtomicSwitch());
}
}
