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MNT Update utf8 aliases for mysql 8 and mariadb 10.6
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<?php | ||
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namespace SilverStripe\Tests\ORM\Utf8; | ||
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use SilverStripe\Dev\TestOnly; | ||
use SilverStripe\ORM\DB; | ||
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class Utf8TestHelper implements TestOnly | ||
{ | ||
/** | ||
* @var string|null | ||
*/ | ||
private $dbVersion = null; | ||
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public function getUpdatedUtfCharsetForCurrentDB(string $charset): string | ||
{ | ||
if ($charset !== 'utf8') { | ||
return $charset; | ||
} | ||
return $this->isMySqlGte80() || $this->isMariaDBGte106() ? 'utf8mb3' : 'utf8'; | ||
} | ||
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public function getUpdatedUtfCollationForCurrentDB(string $collation): string | ||
{ | ||
if ($collation === 'utf8_general_ci') { | ||
return $this->isMariaDBGte106() ? 'utf8mb3_general_ci' : 'utf8_general_ci'; | ||
} | ||
if ($collation === 'utf8_unicode_520_ci') { | ||
return $this->isMariaDBGte106() ? 'utf8mb3_unicode_520_ci' : 'utf8_unicode_520_ci'; | ||
} | ||
return $collation; | ||
} | ||
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/** | ||
* MySQL has used utf8 as an alias for utf8mb3 | ||
* Beginning with MySQL 8.0.28, utf8mb3 is used | ||
* https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8mb3.html | ||
*/ | ||
private function isMySqlGte80(): bool | ||
{ | ||
// Example MySQL version: 8.0.29 | ||
if (preg_match('#^([0-9]+)\.[0-9]+\.[0-9]+$#', $this->getDBVersion(), $m)) { | ||
return (int) $m[1] >= 8; | ||
} | ||
return false; | ||
} | ||
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/** | ||
* Until MariaDB 10.5, utf8mb3 was an alias for utf8. | ||
* From MariaDB 10.6, utf8 is by default an alias for utf8mb3 | ||
* https://mariadb.com/kb/en/unicode/ | ||
*/ | ||
private function isMariaDBGte106(): bool | ||
{ | ||
// Example mariadb version: 5.5.5-10.6.8-mariadb-1:10.6.8+maria~focal | ||
if (preg_match('#([0-9]+)\.([0-9]+)\.[0-9]+-mariadb#', $this->getDBVersion(), $m)) { | ||
return (int) $m[1] >= 11 || ((int) $m[1] >= 10 && (int) $m[2] >= 6); | ||
} | ||
return false; | ||
} | ||
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private function getDBVersion(): string | ||
{ | ||
if (is_null($this->dbVersion)) { | ||
$this->dbVersion = strtolower(DB::get_conn()->getVersion()); | ||
} | ||
return $this->dbVersion; | ||
} | ||
} |