/**
* (re) Parition the union of existing partitions.
*
* The closure should return a unique key which will be used
* as the discriminator for dividing partitions.
*
* @param \Closure $closure
*/
public function partition(\Closure $closure)
{
$unifiedParition = $this->getElements();
$lastDiscriminator = null;
$currentPartition = new Partition();
$partitions = array();
foreach ($unifiedParition as $key => $element) {
$discriminator = $closure($element);
if (null === $lastDiscriminator) {
$lastDiscriminator = $discriminator;
}
if ($lastDiscriminator != $discriminator) {
$partitions[] = $currentPartition;
$currentPartition = new Partition();
}
$currentPartition->set($key, $element);
$lastDiscriminator = $discriminator;
}
$partitions[] = $currentPartition;
$this->partitions = $partitions;
return $this;
}
/**
* returns the partition method used by the table.
*
* @param string $db database name
* @param string $table table name
*
* @return string partition method
*/
public static function getPartitionMethod($db, $table)
{
if (Partition::havePartitioning()) {
$partition_method = $GLOBALS['dbi']->fetchResult("SELECT `PARTITION_METHOD` FROM `information_schema`.`PARTITIONS`" . " WHERE `TABLE_SCHEMA` = '" . Util::sqlAddSlashes($db) . "'" . " AND `TABLE_NAME` = '" . Util::sqlAddSlashes($table) . "'");
if (!empty($partition_method)) {
return $partition_method[0];
}
}
return null;
}
public function __construct($vals = null)
{
if (!isset(self::$_TSPEC)) {
self::$_TSPEC = array(1 => array('var' => 'values', 'type' => TType::LST, 'etype' => TType::STRING, 'elem' => array('type' => TType::STRING)), 2 => array('var' => 'dbName', 'type' => TType::STRING), 3 => array('var' => 'tableName', 'type' => TType::STRING), 4 => array('var' => 'createTime', 'type' => TType::I32), 5 => array('var' => 'lastAccessTime', 'type' => TType::I32), 6 => array('var' => 'sd', 'type' => TType::STRUCT, 'class' => 'StorageDescriptor'), 7 => array('var' => 'parameters', 'type' => TType::MAP, 'ktype' => TType::STRING, 'vtype' => TType::STRING, 'key' => array('type' => TType::STRING), 'val' => array('type' => TType::STRING)), 8 => array('var' => 'privileges', 'type' => TType::STRUCT, 'class' => 'PrincipalPrivilegeSet'));
}
if (is_array($vals)) {
if (isset($vals['values'])) {
$this->values = $vals['values'];
}
if (isset($vals['dbName'])) {
$this->dbName = $vals['dbName'];
}
if (isset($vals['tableName'])) {
$this->tableName = $vals['tableName'];
}
if (isset($vals['createTime'])) {
$this->createTime = $vals['createTime'];
}
if (isset($vals['lastAccessTime'])) {
$this->lastAccessTime = $vals['lastAccessTime'];
}
if (isset($vals['sd'])) {
$this->sd = $vals['sd'];
}
if (isset($vals['parameters'])) {
$this->parameters = $vals['parameters'];
}
if (isset($vals['privileges'])) {
$this->privileges = $vals['privileges'];
}
}
}
public function read($input)
{
$xfer = 0;
$fname = null;
$ftype = 0;
$fid = 0;
$xfer += $input->readStructBegin($fname);
while (true) {
$xfer += $input->readFieldBegin($fname, $ftype, $fid);
if ($ftype == TType::STOP) {
break;
}
switch ($fid) {
case 1:
if ($ftype == TType::STRING) {
$xfer += $input->readString($this->db_name);
} else {
$xfer += $input->skip($ftype);
}
break;
case 2:
if ($ftype == TType::STRING) {
$xfer += $input->readString($this->tbl_name);
} else {
$xfer += $input->skip($ftype);
}
break;
case 3:
if ($ftype == TType::LST) {
$this->new_parts = array();
$_size439 = 0;
$_etype442 = 0;
$xfer += $input->readListBegin($_etype442, $_size439);
for ($_i443 = 0; $_i443 < $_size439; ++$_i443) {
$elem444 = null;
$elem444 = new Partition();
$xfer += $elem444->read($input);
$this->new_parts[] = $elem444;
}
$xfer += $input->readListEnd();
} else {
$xfer += $input->skip($ftype);
}
break;
default:
$xfer += $input->skip($ftype);
break;
}
$xfer += $input->readFieldEnd();
}
$xfer += $input->readStructEnd();
return $xfer;
}
public function read($input)
{
$xfer = 0;
$fname = null;
$ftype = 0;
$fid = 0;
$xfer += $input->readStructBegin($fname);
while (true) {
$xfer += $input->readFieldBegin($fname, $ftype, $fid);
if ($ftype == TType::STOP) {
break;
}
switch ($fid) {
case 0:
if ($ftype == TType::LST) {
$this->success = array();
$_size379 = 0;
$_etype382 = 0;
$xfer += $input->readListBegin($_etype382, $_size379);
for ($_i383 = 0; $_i383 < $_size379; ++$_i383) {
$elem384 = null;
$elem384 = new Partition();
$xfer += $elem384->read($input);
$this->success[] = $elem384;
}
$xfer += $input->readListEnd();
} else {
$xfer += $input->skip($ftype);
}
break;
case 1:
if ($ftype == TType::STRUCT) {
$this->o1 = new MetaException();
$xfer += $this->o1->read($input);
} else {
$xfer += $input->skip($ftype);
}
break;
case 2:
if ($ftype == TType::STRUCT) {
$this->o2 = new NoSuchObjectException();
$xfer += $this->o2->read($input);
} else {
$xfer += $input->skip($ftype);
}
break;
default:
$xfer += $input->skip($ftype);
break;
}
$xfer += $input->readFieldEnd();
}
$xfer += $input->readStructEnd();
return $xfer;
}
