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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Spiral\Database\Helpers; |
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use Psr\Log\LoggerInterface; |
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use Spiral\Core\Component; |
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use Spiral\Database\Entities\AbstractHandler as Behaviour; |
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use Spiral\Database\Entities\Driver; |
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use Spiral\Database\Schemas\Prototypes\AbstractTable; |
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use Spiral\Debug\Traits\LoggerTrait; |
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use Spiral\Support\DFSSorter; |
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/** |
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* Saves multiple linked tables at once but treating their cross dependency. |
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*/ |
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class SynchronizationPool extends Component |
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{ |
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use LoggerTrait; |
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/** |
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* @var AbstractTable[] |
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*/ |
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private $tables = []; |
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/** |
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* @var Driver[] |
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*/ |
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private $drivers = []; |
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/** |
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* @param AbstractTable[] $tables |
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*/ |
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public function __construct(array $tables) |
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{ |
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$this->tables = $tables; |
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$this->collectDrivers(); |
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} |
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/** |
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* @return AbstractTable[] |
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*/ |
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public function getTables() |
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{ |
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return $this->tables; |
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} |
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/** |
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* List of tables sorted in order of cross dependency. |
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* |
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* @return AbstractTable[] |
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*/ |
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public function sortedTables(): array |
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{ |
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/* |
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* Tables has to be sorted using topological graph to execute operations in a valid order. |
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*/ |
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$sorter = new DFSSorter(); |
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foreach ($this->tables as $table) { |
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$sorter->addItem($table->getName(), $table, $table->getDependencies()); |
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} |
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return $sorter->sort(); |
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} |
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/** |
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* Synchronize tables. |
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* |
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* @param LoggerInterface|null $logger |
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* |
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* @throws \Exception |
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* @throws \Throwable |
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*/ |
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public function run(LoggerInterface $logger = null) |
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{ |
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$this->beginTransaction(); |
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try { |
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//Drop not-needed foreign keys and alter everything else |
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foreach ($this->sortedTables() as $table) { |
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if ($table->exists()) { |
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$table->save(Behaviour::DROP_FOREIGNS, $logger, false); |
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} |
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} |
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//Drop not-needed indexes |
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foreach ($this->sortedTables() as $table) { |
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if ($table->exists()) { |
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$table->save(Behaviour::DROP_INDEXES, $logger, false); |
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} |
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} |
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//Other changes |
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foreach ($this->sortedTables() as $table) { |
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$table->save( |
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Behaviour::DO_ALL ^ Behaviour::DROP_FOREIGNS ^ Behaviour::DROP_INDEXES, |
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$logger, |
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false |
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); |
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} |
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} catch (\Throwable $e) { |
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$this->rollbackTransaction(); |
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throw $e; |
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} |
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$this->commitTransaction(); |
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} |
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/** |
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* Begin mass transaction. |
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*/ |
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protected function beginTransaction() |
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{ |
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$this->logger()->debug('Begin transaction'); |
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foreach ($this->drivers as $driver) { |
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$driver->beginTransaction(); |
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} |
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} |
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/** |
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* Commit mass transaction. |
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*/ |
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protected function commitTransaction() |
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{ |
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$this->logger()->debug('Commit transaction'); |
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foreach ($this->drivers as $driver) { |
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$driver->commitTransaction(); |
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} |
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} |
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/** |
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* Roll back mass transaction. |
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*/ |
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protected function rollbackTransaction() |
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{ |
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$this->logger()->warning('Roll back transaction'); |
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foreach ($this->drivers as $driver) { |
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$driver->rollbackTransaction(); |
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} |
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} |
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/** |
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* Collecting all involved drivers. |
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*/ |
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private function collectDrivers() |
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{ |
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foreach ($this->tables as $table) { |
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if (!in_array($table->getDriver(), $this->drivers, true)) { |
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$this->drivers[] = $table->getDriver(); |
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} |
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} |
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} |
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} |
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spiral /
components
