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<?php
declare(strict_types=1);
/**
* This file is part of Hyperf.
*
* @link https://www.hyperf.io
* @document https://hyperf.wiki
* @contact [email protected]
* @license https://github.com/hyperf/hyperf/blob/master/LICENSE
*/
namespace Hyperf\Database\SQLite\Schema;
use Hyperf\Context\ApplicationContext;
use Hyperf\Database\Schema\Builder;
use Hyperf\Support\Filesystem\Filesystem;
class SQLiteBuilder extends Builder
{
/**
* Create a database in the schema.
*
* @param string $name
*/
public function createDatabase($name): bool
{
return (bool) $this->getFilesystem()
->put($name, '');
}
/**
* Drop a database from the schema if the database exists.
*
* @param string $name
*/
public function dropDatabaseIfExists($name): bool
{
$file = $this->getFilesystem();
return $file->exists($name)
? $file->delete($name)
: true;
}
/**
* Get the column type listing for a given table.
*
* @param string $table
*/
public function getColumnTypeListing($table): array
{
$table = $this->connection->getTablePrefix() . $table;
return $this->connection->getPostProcessor()->processColumnListing(
$this->connection->select(
$this->grammar->compileColumnListing($table)
)
);
}
/**
* Get the indexes for a given table.
*/
public function getIndexes(string $table): array
{
$table = $this->connection->getTablePrefix() . $table;
return $this->connection->getPostProcessor()->processIndexes(
$this->connection->selectFromWriteConnection($this->grammar->compileIndexes($table))
);
}
/**
* Get the names of the indexes for a given table.
*/
public function getIndexListing(string $table): array
{
return array_column($this->getIndexes($table), 'name');
}
/**
* Determine if the given table has a given index.
*
* @param array|string $index
*/
public function hasIndex(string $table, $index, ?string $type = null): bool
{
$type = is_null($type) ? $type : strtolower($type);
foreach ($this->getIndexes($table) as $value) {
$typeMatches = is_null($type)
|| ($type === 'primary' && $value['primary'])
|| ($type === 'unique' && $value['unique'])
|| $type === $value['type'];
if (($value['name'] === $index || $value['columns'] === $index) && $typeMatches) {
return true;
}
}
return false;
}
/**
* Drop all tables from the database.
*/
public function dropAllTables(): void
{
if ($this->connection->getDatabaseName() !== ':memory:') {
$this->refreshDatabaseFile();
}
$this->connection->select($this->grammar->compileEnableWriteableSchema());
$this->connection->select($this->grammar->compileDropAllTables());
$this->connection->select($this->grammar->compileDisableWriteableSchema());
$this->connection->select($this->grammar->compileRebuild());
}
/**
* Drop all views from the database.
*/
public function dropAllViews(): void
{
$this->connection->select($this->grammar->compileEnableWriteableSchema());
$this->connection->select($this->grammar->compileDropAllViews());
$this->connection->select($this->grammar->compileDisableWriteableSchema());
$this->connection->select($this->grammar->compileRebuild());
}
/**
* Empty the database file.
*/
public function refreshDatabaseFile(): void
{
$this->getFilesystem()
->put($this->connection->getDatabaseName(), '');
}
protected function getFilesystem(): Filesystem
{
return ApplicationContext::getContainer()
->get(Filesystem::class);
}
}