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MySQL 8.0+ and MariaDB 10.3+ are large prefix and barracuda by default 

Signed-off-by: Joas Schilling <coding@schilljs.com>
This commit is contained in:
Joas Schilling 2018-07-09 15:34:42 +02:00
parent 112719f457
commit d12ff2c083
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GPG Key ID: 7076EA9751AACDDA
1 changed files with 23 additions and 4 deletions
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27
lib/private/DB/MySqlTools.php
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@ -34,17 +34,36 @@ class MySqlTools {
* @return bool
*/
public function supports4ByteCharset(IDBConnection $connection) {
foreach (['innodb_file_format' => 'Barracuda', 'innodb_large_prefix' => 'ON', 'innodb_file_per_table' => 'ON'] as $var => $val) {
$variables = ['innodb_file_per_table' => 'ON'];
if (!$this->isMariaDBWithLargePrefix($connection)) {
$variables['innodb_file_format'] = 'Barracuda';
$variables['innodb_large_prefix'] = 'ON';
}
foreach ($variables as $var => $val) {
$result = $connection->executeQuery("SHOW VARIABLES LIKE '$var'");
$rows = $result->fetch();
$row = $result->fetch();
$result->closeCursor();
if ($rows === false) {
if ($row === false) {
return false;
}
if (strcasecmp($rows['Value'], $val) !== 0) {
if (strcasecmp($row['Value'], $val) !== 0) {
return false;
}
}
return true;
}
protected function isMariaDBWithLargePrefix(IDBConnection $connection) {
$result = $connection->executeQuery('SELECT VERSION()');
$row = strtolower($result->fetchColumn());
$result->closeCursor();
if ($row === false) {
return false;
}
return strpos($row, 'maria') && version_compare($row, '10.3', '>=') ||
strpos($row, 'maria') === false && version_compare($row, '8.0', '>=');
}
}