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|
<?php
namespace Engelsystem\Migrations;
use Engelsystem\Database\Migration\Migration;
use stdClass;
class FixOldCharacterSet extends Migration
{
/**
* Run the migration
*/
public function up()
{
$connection = $this->schema->getConnection();
$targetCharset = $connection->getConfig('charset');
$targetCollation = $connection->getConfig('collation');
if (!$targetCharset || !$targetCharset) {
return;
}
$connection
->unprepared(sprintf(
'ALTER DATABASE %s CHARACTER SET %s COLLATE %s',
$connection->getDatabaseName(),
$targetCharset,
$targetCollation
));
/** @var stdClass[] $databases */
$tables = $this->getTablesToChange($targetCollation);
foreach ($tables as $table) {
$connection
->unprepared(sprintf(
'ALTER TABLE %s CONVERT TO CHARACTER SET %s COLLATE %s',
$table->table,
$targetCharset,
$targetCollation
));
}
}
/**
* Reverse the migration
*/
public function down()
{
// Nothing to do
}
/**
* @param $target
* @return array
*/
protected function getTablesToChange($target)
{
$connection = $this->schema->getConnection();
return $connection
->select(
'
SELECT
`TABLE_NAME` AS "table"
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = ?
AND TABLE_COLLATION != ?
',
[
$connection->getDatabaseName(),
$target
]
);
}
}
|
