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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Connection; |
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use Closure; |
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use Exception; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\LogLevel; |
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use Throwable; |
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use Yiisoft\Cache\Dependency\Dependency; |
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use Yiisoft\Db\Cache\QueryCache; |
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use Yiisoft\Db\Query\BatchQueryResult; |
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use Yiisoft\Db\Query\BatchQueryResultInterface; |
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use Yiisoft\Db\Query\QueryInterface; |
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use Yiisoft\Db\Schema\TableSchemaInterface; |
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use Yiisoft\Db\Transaction\TransactionInterface; |
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use Yiisoft\Profiler\ProfilerAwareInterface; |
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use Yiisoft\Profiler\ProfilerAwareTrait; |
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/** |
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* The AbstractConnection class represents a connection to a database. It provides methods for interacting with the |
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* database, such as executing SQL queries and performing data manipulation. |
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*/ |
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abstract class AbstractConnection implements ConnectionInterface, LoggerAwareInterface, ProfilerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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use ProfilerAwareTrait; |
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protected TransactionInterface|null $transaction = null; |
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private bool $enableSavepoint = true; |
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private int $serverRetryInterval = 600; |
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private string $tablePrefix = ''; |
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public function __construct(private QueryCache $queryCache) |
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{ |
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} |
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public function beginTransaction(string $isolationLevel = null): TransactionInterface |
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{ |
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$this->open(); |
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$this->transaction = $this->getTransaction(); |
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if ($this->transaction === null) { |
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$this->transaction = $this->createTransaction(); |
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} |
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if ($this->logger !== null) { |
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$this->transaction->setLogger($this->logger); |
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} |
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$this->transaction->begin($isolationLevel); |
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return $this->transaction; |
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} |
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public function cache(Closure $closure, int $duration = null, Dependency $dependency = null): mixed |
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{ |
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$this->queryCache->setInfo( |
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[$duration ?? $this->queryCache->getDuration(), $dependency] |
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); |
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/** @psalm-var mixed $result */ |
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$result = $closure($this); |
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$this->queryCache->removeLastInfo(); |
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return $result; |
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} |
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public function createBatchQueryResult(QueryInterface $query, bool $each = false): BatchQueryResultInterface |
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{ |
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return new BatchQueryResult($query, $each); |
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} |
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public function getTablePrefix(): string |
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{ |
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return $this->tablePrefix; |
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} |
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public function getTableSchema(string $name, bool $refresh = false): TableSchemaInterface|null |
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{ |
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return $this->getSchema()->getTableSchema($name, $refresh); |
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} |
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public function getTransaction(): TransactionInterface|null |
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{ |
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return $this->transaction && $this->transaction->isActive() ? $this->transaction : null; |
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} |
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public function isSavepointEnabled(): bool |
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{ |
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return $this->enableSavepoint; |
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} |
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public function noCache(Closure $closure): mixed |
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{ |
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$queryCache = $this->queryCache; |
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$queryCache->setInfo(false); |
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/** @psalm-var mixed $result */ |
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$result = $closure($this); |
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$queryCache->removeLastInfo(); |
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return $result; |
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} |
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public function notProfiler(): void |
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{ |
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$this->profiler = null; |
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} |
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public function queryCacheEnable(bool $value): void |
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{ |
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$this->queryCache->setEnable($value); |
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} |
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public function setEnableSavepoint(bool $value): void |
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{ |
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$this->enableSavepoint = $value; |
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} |
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public function setTablePrefix(string $value): void |
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{ |
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$this->tablePrefix = $value; |
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} |
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public function transaction(Closure $closure, string $isolationLevel = null): mixed |
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{ |
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$transaction = $this->beginTransaction($isolationLevel); |
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$level = $transaction->getLevel(); |
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try { |
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/** @psalm-var mixed $result */ |
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$result = $closure($this); |
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if ($transaction->isActive() && $transaction->getLevel() === $level) { |
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$transaction->commit(); |
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} |
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} catch (Throwable $e) { |
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$this->rollbackTransactionOnLevel($transaction, $level); |
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throw $e; |
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} |
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return $result; |
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} |
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/** |
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* Rolls back given {@see TransactionInterface} object if it's still active and level match. In some cases rollback |
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* can fail, so this method is fail-safe. Exceptions thrown from rollback will be caught and just logged with |
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* {@see logger->log()}. |
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* |
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* @param TransactionInterface $transaction TransactionInterface object given from {@see beginTransaction()}. |
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* @param int $level TransactionInterface level just after {@see beginTransaction()} call. |
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*/ |
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private function rollbackTransactionOnLevel(TransactionInterface $transaction, int $level): void |
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{ |
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if ($transaction->isActive() && $transaction->getLevel() === $level) { |
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/** |
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* @link https://github.com/yiisoft/yii2/pull/13347 |
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*/ |
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try { |
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$transaction->rollBack(); |
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} catch (Exception $e) { |
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$this->logger?->log(LogLevel::ERROR, (string) $e, [__METHOD__]); |
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/** hide this exception to be able to continue throwing original exception outside */ |
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} |
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} |
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} |
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} |
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yiisoft /
db
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