/**
* {@inheritDoc}
*/
public function selectShard($distributionValue)
{
if ($this->conn->isTransactionActive()) {
throw ShardingException::activeTransaction();
}
if ($distributionValue === null || is_bool($distributionValue) || !is_scalar($distributionValue)) {
throw ShardingException::noShardDistributionValue();
}
$platform = $this->conn->getDatabasePlatform();
$sql = sprintf("USE FEDERATION %s (%s = %s) WITH RESET, FILTERING = %s;", $platform->quoteIdentifier($this->federationName), $platform->quoteIdentifier($this->distributionKey), $this->conn->quote($distributionValue), $this->filteringEnabled ? 'ON' : 'OFF');
$this->conn->exec($sql);
$this->currentDistributionValue = $distributionValue;
}
/**
* {@inheritDoc}
*/
public function selectGlobal()
{
if ($this->conn->isTransactionActive()) {
throw ShardingException::activeTransaction();
}
$sql = "USE FEDERATION ROOT WITH RESET";
$this->conn->exec($sql);
$this->currentDistributionValue = null;
}