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<?php |
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namespace MySQLReplication\Repository; |
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use Doctrine\DBAL\Connection; |
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/** |
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* Class MySQLRepository |
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* @package MySQLReplication\Repository |
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*/ |
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class MySQLRepository implements RepositoryInterface |
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{ |
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/** |
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* @var Connection |
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*/ |
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private $connection; |
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public function __construct(Connection $connection) |
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{ |
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$this->connection = $connection; |
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} |
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public function __destruct() |
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{ |
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$this->connection->close(); |
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} |
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/** |
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* @param string $schema |
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* @param string $table |
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* @return array |
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*/ |
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public function getFields($schema, $table) |
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{ |
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$sql = ' |
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SELECT |
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c.`COLUMN_NAME`, |
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c.`COLLATION_NAME`, |
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c.`CHARACTER_SET_NAME`, |
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c.`COLUMN_COMMENT`, |
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c.`COLUMN_TYPE`, |
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c.`COLUMN_KEY`, |
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`kcu`.`REFERENCED_TABLE_NAME`, |
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`kcu`.`REFERENCED_COLUMN_NAME` |
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FROM |
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`information_schema`.`COLUMNS` c |
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LEFT JOIN |
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`information_schema`.KEY_COLUMN_USAGE kcu |
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ON |
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c.`TABLE_SCHEMA` = kcu.`TABLE_SCHEMA` |
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AND |
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c.`TABLE_NAME` = kcu.`TABLE_NAME` |
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AND |
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c.`COLUMN_NAME` = kcu.`COLUMN_NAME` |
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WHERE |
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c.`TABLE_SCHEMA` = ? |
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AND |
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c.`TABLE_NAME` = ? |
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'; |
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return $this->getConnection()->fetchAll($sql, [$schema, $table]); |
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} |
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/** |
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* @return Connection |
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*/ |
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public function getConnection() |
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{ |
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if (false === $this->connection->ping()) |
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{ |
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$this->connection->close(); |
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$this->connection->connect(); |
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} |
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return $this->connection; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isCheckSum() |
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{ |
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$res = $this->getConnection()->fetchAssoc('SHOW GLOBAL VARIABLES LIKE "BINLOG_CHECKSUM"'); |
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return isset($res['Value']); |
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} |
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/** |
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* @return string |
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*/ |
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public function getVersion() |
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{ |
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$r = ''; |
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$versions = $this->getConnection()->fetchAll('SHOW VARIABLES LIKE "version%"'); |
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if (is_array($versions) && 0 !== count($versions)) |
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{ |
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foreach ($versions as $version) |
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{ |
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$r .= $version['Value']; |
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} |
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} |
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return $r; |
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} |
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/** |
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* File |
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* Position |
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* Binlog_Do_DB |
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* Binlog_Ignore_DB |
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* Executed_Gtid_Set |
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* |
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* @return array |
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*/ |
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public function getMasterStatus() |
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{ |
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return $this->getConnection()->fetchAssoc('SHOW MASTER STATUS'); |
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} |
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} |
krowinski /
php-mysql-replication
