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<?php
namespace Safe;
use Safe\Exceptions\MysqlndMsException;
/**
* Returns a list of currently configured servers.
*
* @param mixed $connection A MySQL connection handle obtained from any of the
* connect functions of the mysqli,
* mysql or
* PDO_MYSQL extensions.
* @return array FALSE on error. Otherwise, returns an array with two entries
* masters and slaves each of which contains
* an array listing all corresponding servers.
*
* The function can be used to check and debug the list of servers currently
* used by the plugin. It is mostly useful when the list of servers changes at
* runtime, for example, when using MySQL Fabric.
*
* masters and slaves server entries
* @throws MysqlndMsException
*
*/
function mysqlnd_ms_dump_servers($connection): array
{
error_clear_last();
$result = \mysqlnd_ms_dump_servers($connection);
if ($result === false) {
throw MysqlndMsException::createFromPhpError();
}
return $result;
}
/**
* MySQL Fabric related.
*
* Switch the connection to the nodes handling global sharding queries
* for the given table name.
*
* @param mixed $connection A MySQL connection handle obtained from any of the
* connect functions of the mysqli,
* mysql or
* PDO_MYSQL extensions.
* @param mixed $table_name The table name to ask Fabric about.
* @return array FALSE on error. Otherwise, TRUE
* @throws MysqlndMsException
*
*/
function mysqlnd_ms_fabric_select_global($connection, $table_name): array
{
error_clear_last();
$result = \mysqlnd_ms_fabric_select_global($connection, $table_name);
if ($result === false) {
throw MysqlndMsException::createFromPhpError();
}
return $result;
}
/**
* MySQL Fabric related.
*
* Switch the connection to the shards responsible for the
* given table name and shard key.
*
* @param mixed $connection A MySQL connection handle obtained from any of the
* connect functions of the mysqli,
* mysql or
* PDO_MYSQL extensions.
* @param mixed $table_name The table name to ask Fabric about.
* @param mixed $shard_key The shard key to ask Fabric about.
* @return array FALSE on error. Otherwise, TRUE
* @throws MysqlndMsException
*
*/
function mysqlnd_ms_fabric_select_shard($connection, $table_name, $shard_key): array
{
error_clear_last();
$result = \mysqlnd_ms_fabric_select_shard($connection, $table_name, $shard_key);
if ($result === false) {
throw MysqlndMsException::createFromPhpError();
}
return $result;
}
/**
* Returns an array which describes the last used connection from the plugins
* connection pool currently pointed to by the user connection handle. If using the
* plugin, a user connection handle represents a pool of database connections.
* It is not possible to tell from the user connection handles properties to which
* database server from the pool the user connection handle points.
*
* The function can be used to debug or monitor PECL mysqlnd_ms.
*
* @param mixed $connection A MySQL connection handle obtained from any of the
* connect functions of the mysqli,
* mysql or
* PDO_MYSQL extensions.
* @return array FALSE on error. Otherwise, an
* array which describes the connection used to
* execute the last statement on.
*
* Array which describes the connection.
* @throws MysqlndMsException
*
*/
function mysqlnd_ms_get_last_used_connection($connection): array
{
error_clear_last();
$result = \mysqlnd_ms_get_last_used_connection($connection);
if ($result === false) {
throw MysqlndMsException::createFromPhpError();
}
return $result;
}
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