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<?php |
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namespace ArangoClient\Statement; |
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use ArangoClient\ArangoClient; |
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use ArangoClient\Exceptions\ArangoException; |
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use ArangoClient\Manager; |
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use ArrayIterator; |
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use IteratorAggregate; |
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use stdClass; |
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/** |
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* Executes queries on ArangoDB |
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* |
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* @see https://www.arangodb.com/docs/stable/http/aql-query-cursor.html |
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* |
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* |
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* @template-implements \IteratorAggregate<mixed> |
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*/ |
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class Statement extends Manager implements IteratorAggregate |
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{ |
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/** |
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* @var array<mixed> |
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*/ |
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protected array $results = []; |
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protected ?stdClass $stats = null; |
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/** |
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* @var array<mixed> |
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*/ |
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protected array $warnings = []; |
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protected ?int $cursorId = null; |
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protected bool $cursorHasMoreResults = false; |
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protected ?int $count = null; |
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protected ?stdClass $extra = null; |
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/** |
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* Statement constructor. |
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* |
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* @param ?array<mixed> $bindVars |
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* @param array<mixed> $options |
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*/ |
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public function __construct(protected ArangoClient $arangoClient, protected string $query, protected array|null $bindVars, protected array $options = []) |
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{ |
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} |
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/** |
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* A statement can be used like an array to access the results. |
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* |
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* @return ArrayIterator<array-key, mixed> |
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*/ |
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public function getIterator(): ArrayIterator |
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{ |
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return new ArrayIterator($this->results); |
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} |
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/** |
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* @throws ArangoException |
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*/ |
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public function execute(): bool |
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{ |
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$this->results = []; |
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$bodyContent = $this->prepareQueryBodyContent(); |
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$options = [ |
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'body' => $bodyContent, |
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]; |
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$results = $this->arangoClient->transactionAwareRequest('post', '/_api/cursor', $options); |
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$this->handleQueryResults($results); |
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$this->requestOutstandingResults($bodyContent); |
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return true; |
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} |
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/** |
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* @return array<mixed> |
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*/ |
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protected function prepareQueryBodyContent(): array |
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{ |
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$bodyContent = $this->options; |
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$bodyContent['query'] = $this->query; |
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if (! empty($this->bindVars)) { |
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$bodyContent['bindVars'] = $this->bindVars; |
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} |
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return $bodyContent; |
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} |
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protected function handleQueryResults(stdClass $results): void |
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{ |
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$this->results = array_merge($this->results, (array) $results->result); |
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if (property_exists($results, 'extra') && $results->extra !== null) { |
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$this->extra = (object) $results->extra; |
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} |
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if (property_exists($results, 'count') && $results->count !== null) { |
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$this->count = (int) $results->count; |
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} |
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$this->cursorHasMoreResults = (bool) $results->hasMore; |
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$this->cursorId = $results->hasMore ? (int) $results->id : null; |
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} |
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/** |
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* @param array<mixed> $body |
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* |
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* @throws ArangoException |
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*/ |
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protected function requestOutstandingResults(array $body): void |
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{ |
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while ($this->cursorHasMoreResults) { |
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$uri = '/_api/cursor/'.(string) $this->cursorId; |
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$options = [ |
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'body' => $body, |
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]; |
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$results = $this->arangoClient->request('put', $uri, $options); |
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$this->handleQueryResults($results); |
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} |
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} |
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/** |
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* @throws ArangoException |
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*/ |
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public function explain(): stdClass |
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{ |
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$body = $this->prepareQueryBodyContent(); |
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$options = [ |
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'body' => $body, |
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]; |
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return $this->arangoClient->request('post', '/_api/explain', $options); |
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} |
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/** |
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* Parse and validate the query, will through an ArangoException if the query is invalid. |
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* |
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* @throws ArangoException |
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*/ |
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public function parse(): stdClass |
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{ |
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$body = $this->prepareQueryBodyContent(); |
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$options = [ |
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'body' => $body, |
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]; |
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return $this->arangoClient->request('post', '/_api/query', $options); |
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} |
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/** |
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* Execute the query and return performance information on the query. |
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* |
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* @see https://www.arangodb.com/docs/3.7/aql/execution-and-performance-query-profiler.html |
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* |
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* @throws ArangoException |
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*/ |
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public function profile(int|bool $mode = 1): stdClass|null |
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{ |
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$bodyContent = $this->prepareQueryBodyContent(); |
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if (! isset($bodyContent['options']) || ! is_array($bodyContent['options'])) { |
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$bodyContent['options'] = []; |
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} |
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$bodyContent['options']['profile'] = $mode; |
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$options = [ |
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'body' => $bodyContent, |
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]; |
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$results = $this->arangoClient->request('post', '/_api/cursor', $options); |
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$this->handleQueryResults($results); |
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$this->requestOutstandingResults($bodyContent); |
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return $this->extra; |
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} |
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public function setQuery(string $query): self |
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{ |
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$this->query = $query; |
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return $this; |
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} |
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public function getQuery(): string |
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{ |
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return $this->query; |
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} |
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/** |
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* Fetch all results. |
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* |
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* @return array<mixed> |
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*/ |
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public function fetchAll(): array |
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{ |
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return $this->results; |
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} |
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/** |
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* Return the total number of results. (not just the retrieved results) |
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* Useful if not all results have been retrieved from the database yet. |
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*/ |
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public function getCount(): ?int |
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{ |
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return $this->count; |
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} |
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public function getWritesExecuted(): int |
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{ |
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return (int) $this->extra?->stats?->writesExecuted; |
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} |
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} |
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LaravelFreelancerNL /
arangodb-php-client
