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SQLiteConnection.php
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executable file
·121 lines (105 loc) · 2.99 KB
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<?php
namespace Illuminate\Database;
use Exception;
use Illuminate\Database\Query\Grammars\SQLiteGrammar as QueryGrammar;
use Illuminate\Database\Query\Processors\SQLiteProcessor;
use Illuminate\Database\Schema\Grammars\SQLiteGrammar as SchemaGrammar;
use Illuminate\Database\Schema\SQLiteBuilder;
use Illuminate\Database\Schema\SqliteSchemaState;
use Illuminate\Filesystem\Filesystem;
class SQLiteConnection extends Connection
{
/**
* {@inheritdoc}
*/
public function getDriverTitle()
{
return 'SQLite';
}
/**
* Run the statement to start a new transaction.
*
* @return void
*/
protected function executeBeginTransactionStatement()
{
if (version_compare(PHP_VERSION, '8.4.0', '>=')) {
$mode = $this->getConfig('transaction_mode') ?? 'DEFERRED';
$this->getPdo()->exec("BEGIN {$mode} TRANSACTION");
return;
}
$this->getPdo()->beginTransaction();
}
/**
* 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 (bool) preg_match('#(column(s)? .* (is|are) not unique|UNIQUE constraint failed: .*)#i', $exception->getMessage());
}
/**
* Get the default query grammar instance.
*
* @return \Illuminate\Database\Query\Grammars\SQLiteGrammar
*/
protected function getDefaultQueryGrammar()
{
return new QueryGrammar($this);
}
/**
* Get a schema builder instance for the connection.
*
* @return \Illuminate\Database\Schema\SQLiteBuilder
*/
public function getSchemaBuilder()
{
if (is_null($this->schemaGrammar)) {
$this->useDefaultSchemaGrammar();
}
return new SQLiteBuilder($this);
}
/**
* Get the default schema grammar instance.
*
* @return \Illuminate\Database\Schema\Grammars\SQLiteGrammar
*/
protected function getDefaultSchemaGrammar()
{
return new SchemaGrammar($this);
}
/**
* Get the schema state for the connection.
*
* @param \Illuminate\Filesystem\Filesystem|null $files
* @param callable|null $processFactory
*
* @throws \RuntimeException
*/
public function getSchemaState(?Filesystem $files = null, ?callable $processFactory = null)
{
return new SqliteSchemaState($this, $files, $processFactory);
}
/**
* Get the default post processor instance.
*
* @return \Illuminate\Database\Query\Processors\SQLiteProcessor
*/
protected function getDefaultPostProcessor()
{
return new SQLiteProcessor;
}
}