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<?php |
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namespace Bdf\Prime\Sharding; |
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use Doctrine\DBAL\Driver\ResultStatement; |
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/** |
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* Array cache statement |
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* |
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* @package Bdf\Prime\Query |
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*/ |
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class MultiStatement implements \IteratorAggregate, ResultStatement |
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{ |
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/** |
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* @var ResultStatement[] |
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*/ |
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protected $statements; |
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/** |
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* @var int |
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*/ |
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protected $current = 0; |
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/** |
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* @param array $statements |
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*/ |
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public function __construct(array $statements = []) |
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{ |
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$this->statements = $statements; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function add(ResultStatement $statement) |
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{ |
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$this->statements[] = $statement; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function closeCursor() |
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{ |
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foreach ($this->statements as $statement) { |
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$statement->closeCursor(); |
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} |
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unset($this->statements); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function columnCount() |
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{ |
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if (!isset($this->statements[0])) { |
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return 0; |
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} |
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return $this->statements[0]->columnCount(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null) |
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{ |
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foreach ($this->statements as $statement) { |
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$statement->setFetchMode($fetchMode, $arg2, $arg3); |
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} |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->fetchAll()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function fetch($fetchMode = null, $cursorOrientation = \PDO::FETCH_ORI_NEXT, $cursorOffset = 0) |
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{ |
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// Stop the fetch if there s no statement |
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if (!isset($this->statements[$this->current])) { |
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return false; |
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} |
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$result = $this->statements[$this->current]->fetch($fetchMode); |
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if (!$result) { |
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// go to the next statement |
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$this->current++; |
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return $this->fetch($fetchMode); |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function fetchAll($fetchMode = null, $fetchArgument = null, $ctorArgs = null) |
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{ |
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$result = []; |
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foreach ($this->statements as $statement) { |
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$result = array_merge($result, $statement->fetchAll($fetchMode)); |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function fetchColumn($columnIndex = 0) |
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{ |
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$result = []; |
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foreach ($this->statements as $statement) { |
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$result[] = $statement->fetchColumn($columnIndex); |
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} |
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//TODO change l'interface de la méthode ! |
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return $result; |
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} |
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} |
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