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<?php |
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/** @noinspection PhpComposerExtensionStubsInspection */ |
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declare(strict_types=1); |
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namespace EngineWorks\DBAL\Sqlsrv; |
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use EngineWorks\DBAL\CommonTypes; |
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use EngineWorks\DBAL\Internal\SqlServerResultFields; |
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use EngineWorks\DBAL\Result as ResultInterface; |
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use EngineWorks\DBAL\Traits\ResultImplementsCountable; |
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use EngineWorks\DBAL\Traits\ResultImplementsIterator; |
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use PDO; |
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use PDOStatement; |
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use RuntimeException; |
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class Result implements ResultInterface |
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{ |
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use ResultImplementsCountable; |
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use ResultImplementsIterator; |
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/** |
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* PDO element |
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* @var PDOStatement |
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*/ |
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private $stmt; |
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/** |
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* The number of the result rows |
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* @var int |
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*/ |
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private $numRows; |
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/** |
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* Set of fieldname and commontype to use instead of detectedTypes |
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* @var array<string, string> |
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*/ |
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private $overrideTypes; |
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/** |
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* The place where getFields result is cached |
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* @var array<int, array{name: string, table: string, commontype: string}>|null |
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*/ |
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private $cachedGetFields; |
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/** |
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* Result based on PDOStatement |
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* |
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* @param PDOStatement $result |
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* @param array<string, string> $overrideTypes |
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*/ |
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public function __construct(PDOStatement $result, array $overrideTypes = []) |
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{ |
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/** @phpstan-var int<-1, max> $numRows Sqlsrv returns -1 */ |
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$numRows = $result->rowCount(); |
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if (-1 === $numRows) { |
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throw new RuntimeException('Must use cursor PDO::CURSOR_SCROLL'); |
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} |
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$this->stmt = $result; |
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$this->overrideTypes = $overrideTypes; |
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$this->numRows = $numRows; |
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} |
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/** |
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* Close the query and remove property association |
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*/ |
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public function __destruct() |
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{ |
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$this->stmt->closeCursor(); |
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// attatch this unset, otherwise it created a segment violation |
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unset($this->stmt); |
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} |
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public function getFields(): array |
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{ |
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if (null === $this->cachedGetFields) { |
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$typeChecker = new SqlServerResultFields($this->overrideTypes, 'sqlsrv:decl_type'); |
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$this->cachedGetFields = $typeChecker->obtainFields($this->stmt); |
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} |
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return $this->cachedGetFields; |
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} |
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public function getIdFields(): bool |
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{ |
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return false; |
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} |
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public function resultCount(): int |
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{ |
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return $this->numRows; |
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} |
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public function fetchRow() |
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{ |
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/** @var array<string, scalar|null>|false $values */ |
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$values = $this->stmt->fetch(PDO::FETCH_ASSOC); |
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if (false === $values) { |
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return false; |
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} |
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return $this->convertToExpectedValues($values); |
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} |
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/** |
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* @param array<string, scalar|null> $values |
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* @return array<string, scalar|null> |
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*/ |
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private function convertToExpectedValues(array $values): array |
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{ |
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$fields = $this->getFields(); |
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foreach ($fields as $field) { |
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$fieldname = strval($field['name']); |
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$values[$fieldname] = $this->convertToExpectedValue($values[$fieldname], (string) $field['commontype']); |
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} |
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return $values; |
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} |
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/** |
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* @param scalar|null $value |
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* @param string $type |
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* @return scalar|null |
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*/ |
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private function convertToExpectedValue($value, string $type) |
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{ |
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if (null === $value) { |
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return null; |
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} |
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if (CommonTypes::TDATETIME === $type) { |
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return substr((string) $value, 0, 19); |
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} |
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if (CommonTypes::TTIME === $type) { |
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return substr((string) $value, 0, 8); |
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} |
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return $value; |
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} |
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public function moveTo(int $offset): bool |
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{ |
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// there are no records |
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if ($this->resultCount() <= 0) { |
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return false; |
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} |
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// the offset is out of bounds |
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if ($offset < 0 || $offset > $this->resultCount() - 1) { |
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return false; |
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} |
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// if the offset is on previous |
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1 |
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if (! $this->moveFirst()) { |
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return false; |
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} |
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// move to the offset |
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1 |
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for ($i = 0; $i < $offset; $i++) { |
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1 |
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if (false === $this->stmt->fetch(PDO::FETCH_NUM)) { |
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return false; |
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} |
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} |
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1 |
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return true; |
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} |
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public function moveFirst(): bool |
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{ |
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if ($this->resultCount() <= 0) { |
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return false; |
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} |
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return (false !== $this->stmt->execute()); |
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} |
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} |
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eclipxe13 /
engineworks-dbal
