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<?php |
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declare(strict_types=1); |
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/** |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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namespace Ytake\PrestoClient; |
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/** |
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* Class QueryResult |
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* |
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* @author Yuuki Takezawa <[email protected]> |
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*/ |
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final class QueryResult |
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{ |
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/** @var string */ |
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private $id; |
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/** @var string */ |
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private $infoUri; |
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/** @var string */ |
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private $partialCancelUri; |
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/** @var string */ |
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private $nextUri; |
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/** @var \stdClass[] */ |
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private $columns = []; |
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/** @var array */ |
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private $data = []; |
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/** @var StatementStats|null */ |
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private $stats; |
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/** @var QueryError|null */ |
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private $error; |
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/** |
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* QueryResult constructor. |
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* |
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* @param string $content |
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*/ |
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public function set(string $content) |
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{ |
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$parsed = $this->parseContent($content); |
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$this->id = $parsed->id; |
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$this->infoUri = $parsed->infoUri; |
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$this->partialCancelUri = $parsed->partialCancelUri ?? null; |
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$this->nextUri = $parsed->nextUri ?? null; |
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$this->columns = []; |
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if (isset($parsed->columns)) { |
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$this->columnTransfer($parsed->columns); |
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} |
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$this->data = $parsed->data ?? []; |
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$this->stats = isset($parsed->stats) ? $this->statsTransfer($parsed->stats) : null; |
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$this->error = isset($parsed->error) ? $this->errorTransfer($parsed->error) : null; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getId() |
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{ |
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return $this->id; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getInfoUri() |
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{ |
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return $this->infoUri; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getNextUri() |
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{ |
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return $this->nextUri; |
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} |
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/** |
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* @return QueryError|null |
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*/ |
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public function getError() |
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{ |
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return $this->error; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getPartialCancelUri() |
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{ |
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return $this->partialCancelUri; |
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} |
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/** |
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* @return \Generator |
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*/ |
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public function yieldData(): \Generator |
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{ |
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if (!count($this->data)) { |
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yield; |
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} |
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$column = $this->getColumns(); |
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$columnCount = count($column); |
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foreach ($this->data as $data) { |
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$fixData = new FixData(); |
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for ($i = 0; $i < $columnCount; $i++) { |
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$fixData->add($column[$i]->getName(), $data[$i]); |
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} |
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yield $fixData; |
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} |
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} |
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/** |
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* @param string $content |
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* |
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* @return \stdClass |
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*/ |
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private function parseContent(string $content): \stdClass |
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{ |
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$parsed = json_decode($content); |
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if ($parsed === null && json_last_error() !== JSON_ERROR_NONE) { |
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throw new \RuntimeException; |
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} |
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return $parsed; |
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} |
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/** |
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* @param \stdClass $jsonContent |
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* |
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* @return StatementStats |
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*/ |
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private function statsTransfer(\stdClass $jsonContent): StatementStats |
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{ |
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return new StatementStats($jsonContent); |
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} |
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/** |
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* @param \stdClass $jsonContent |
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* |
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* @return QueryError |
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*/ |
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private function errorTransfer(\stdClass $jsonContent): QueryError |
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{ |
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return new QueryError($jsonContent); |
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} |
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/** |
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* @param array $columns |
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*/ |
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private function columnTransfer(array $columns) |
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{ |
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foreach ($columns as $column) { |
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$this->columns[] = new Column($column); |
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} |
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} |
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/** |
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* @return StatementStats|null |
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*/ |
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public function getStats() |
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{ |
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return $this->stats; |
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} |
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/** |
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* @return Column[] |
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*/ |
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public function getColumns(): array |
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{ |
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return $this->columns; |
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} |
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} |
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|
ytake /
php-presto-client
