/**
* Get write db link
*
* @param int $cid Cluster index number
* @param int $sid Server index number
* @return Hush_Db_Dao
*/
public function dbw($cid = 0, $sid = 0)
{
// try to get specify db firstly
if (!$this->_getMaster($cid, $sid)) {
// if specify db can not be found, do sharding
$this->_doShardDb();
$this->_doShardTable();
}
// get specify db server or random slave server
$options = $this->_config->getMasterDb();
$options['name'] = $this->dbName;
// set db name
return Hush_Db::dbPool($options, $this->charset);
}
/**
* Get write db link
*
* @param int $cid Cluster index number
* @param int $sid Server index number
* @return Hush_Db_Dao
*/
public function dbw($cid = 0, $sid = 0)
{
$dbw = null;
// try to get specific db
$configs = $this->_getMaster($cid, $sid);
// try to get sharded db
if (!$configs) {
// if specific db can not be found, do sharding
$this->_doShardDb();
// get specific db server or random master server
$configs = $this->_config->getMasterDb();
}
// try to init db
if ($configs) {
$configs['name'] = $this->shardDbName ? $this->shardDbName : $this->dbName;
$dbr = Hush_Db::dbPool($configs, $this->charset);
}
// try to shard table
$this->_doShardTable();
return $dbr;
}