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<?php
namespace Illuminate\Database;
use Exception;
use Illuminate\Database\Query\Grammars\MySqlGrammar as QueryGrammar;
use Illuminate\Database\Query\Processors\MySqlProcessor;
use Illuminate\Database\Schema\Grammars\MySqlGrammar as SchemaGrammar;
use Illuminate\Database\Schema\MySqlBuilder;
use Illuminate\Database\Schema\MySqlSchemaState;
use Illuminate\Filesystem\Filesystem;
use Illuminate\Support\Str;
use PDO;
class MySqlConnection extends Connection
{
/**
* Escape a binary value for safe SQL embedding.
*
* @param string $value
* @return string
*/
protected function escapeBinary($value)
{
$hex = bin2hex($value);
return "x'{$hex}'";
}
/**
* Determine if the given database exception was caused by a unique constraint violation.
*
* @param \Exception $exception
* @return bool
*/
protected function isUniqueConstraintError(Exception $exception)
{
return boolval(preg_match('#Integrity constraint violation: 1062#i', $exception->getMessage()));
}
/**
* Determine if the connected database is a MariaDB database.
*
* @return bool
*/
public function isMaria()
{
return str_contains($this->getPdo()->getAttribute(PDO::ATTR_SERVER_VERSION), 'MariaDB');
}
/**
* Get the server version for the connection.
*
* @return string
*/
public function getServerVersion(): string
{
return str_contains($version = parent::getServerVersion(), 'MariaDB')
? Str::between($version, '5.5.5-', '-MariaDB')
: $version;
}
/**
* Get the default query grammar instance.
*
* @return \Illuminate\Database\Query\Grammars\MySqlGrammar
*/
protected function getDefaultQueryGrammar()
{
($grammar = new QueryGrammar)->setConnection($this);
return $this->withTablePrefix($grammar);
}
/**
* Get a schema builder instance for the connection.
*
* @return \Illuminate\Database\Schema\MySqlBuilder
*/
public function getSchemaBuilder()
{
if (is_null($this->schemaGrammar)) {
$this->useDefaultSchemaGrammar();
}
return new MySqlBuilder($this);
}
/**
* Get the default schema grammar instance.
*
* @return \Illuminate\Database\Schema\Grammars\MySqlGrammar
*/
protected function getDefaultSchemaGrammar()
{
($grammar = new SchemaGrammar)->setConnection($this);
return $this->withTablePrefix($grammar);
}
/**
* Get the schema state for the connection.
*
* @param \Illuminate\Filesystem\Filesystem|null $files
* @param callable|null $processFactory
* @return \Illuminate\Database\Schema\MySqlSchemaState
*/
public function getSchemaState(?Filesystem $files = null, ?callable $processFactory = null)
{
return new MySqlSchemaState($this, $files, $processFactory);
}
/**
* Get the default post processor instance.
*
* @return \Illuminate\Database\Query\Processors\MySqlProcessor
*/
protected function getDefaultPostProcessor()
{
return new MySqlProcessor;
}
}
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