124 lines
3.4 KiB
PHP
124 lines
3.4 KiB
PHP
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<?php
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namespace Illuminate\Database;
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use Closure;
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use Illuminate\Database\PDO\SqlServerDriver;
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use Illuminate\Database\Query\Grammars\SqlServerGrammar as QueryGrammar;
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use Illuminate\Database\Query\Processors\SqlServerProcessor;
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use Illuminate\Database\Schema\Grammars\SqlServerGrammar as SchemaGrammar;
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use Illuminate\Database\Schema\SqlServerBuilder;
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use Illuminate\Filesystem\Filesystem;
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use RuntimeException;
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use Throwable;
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class SqlServerConnection extends Connection
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{
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/**
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* Execute a Closure within a transaction.
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*
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* @param \Closure $callback
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* @param int $attempts
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* @return mixed
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*
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* @throws \Throwable
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*/
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public function transaction(Closure $callback, $attempts = 1)
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{
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for ($a = 1; $a <= $attempts; $a++) {
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if ($this->getDriverName() === 'sqlsrv') {
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return parent::transaction($callback, $attempts);
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}
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$this->getPdo()->exec('BEGIN TRAN');
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// We'll simply execute the given callback within a try / catch block
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// and if we catch any exception we can rollback the transaction
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// so that none of the changes are persisted to the database.
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try {
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$result = $callback($this);
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$this->getPdo()->exec('COMMIT TRAN');
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}
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// If we catch an exception, we will rollback so nothing gets messed
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// up in the database. Then we'll re-throw the exception so it can
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// be handled how the developer sees fit for their applications.
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catch (Throwable $e) {
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$this->getPdo()->exec('ROLLBACK TRAN');
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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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/**
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* Get the default query grammar instance.
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*
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* @return \Illuminate\Database\Query\Grammars\SqlServerGrammar
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*/
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protected function getDefaultQueryGrammar()
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{
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return $this->withTablePrefix(new QueryGrammar);
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}
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/**
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* Get a schema builder instance for the connection.
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*
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* @return \Illuminate\Database\Schema\SqlServerBuilder
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*/
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public function getSchemaBuilder()
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{
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if (is_null($this->schemaGrammar)) {
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$this->useDefaultSchemaGrammar();
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}
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return new SqlServerBuilder($this);
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}
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/**
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* Get the default schema grammar instance.
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*
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* @return \Illuminate\Database\Schema\Grammars\SqlServerGrammar
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*/
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protected function getDefaultSchemaGrammar()
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{
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return $this->withTablePrefix(new SchemaGrammar);
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}
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/**
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* Get the schema state for the connection.
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*
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* @param \Illuminate\Filesystem\Filesystem|null $files
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* @param callable|null $processFactory
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*
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* @throws \RuntimeException
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*/
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public function getSchemaState(Filesystem $files = null, callable $processFactory = null)
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{
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throw new RuntimeException('Schema dumping is not supported when using SQL Server.');
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}
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/**
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* Get the default post processor instance.
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*
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* @return \Illuminate\Database\Query\Processors\SqlServerProcessor
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*/
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protected function getDefaultPostProcessor()
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{
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return new SqlServerProcessor;
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}
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/**
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* Get the Doctrine DBAL driver.
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*
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* @return \Illuminate\Database\PDO\SqlServerDriver
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*/
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protected function getDoctrineDriver()
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{
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return new SqlServerDriver;
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}
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}
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