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<?php |
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namespace Mattbit\MysqlCompat\BridgeComponents; |
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use PDO; |
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use Mattbit\MysqlCompat\Result; |
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use Mattbit\MysqlCompat\MysqlConstants; |
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use Mattbit\MysqlCompat\Exception\NotSupportedException; |
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trait FetchResults |
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{ |
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/** |
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* Fetch the next row from the result as an array. |
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* |
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* @param Result $result |
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* @param int $resultType |
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* @return bool|array |
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*/ |
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public function fetchArray(Result $result, $resultType = MysqlConstants::FETCH_BOTH) |
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{ |
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$fetchMode = $this->convertFetchStyle($resultType); |
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return $result->fetch($fetchMode); |
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} |
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/** |
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* Fetch the next row as an associative array. |
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* |
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* @param Result $result |
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* @return bool|array |
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*/ |
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public function fetchAssoc(Result $result) |
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{ |
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return $this->fetchArray($result, MysqlConstants::FETCH_ASSOC); |
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} |
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/** |
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* Fetch the metadata of a column. |
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* USE WITH CARE! Accuracy of results is not guaranteed. |
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* |
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* @param Result $result |
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* @param int $fieldOffset |
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* @return bool|object |
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* @deprecated |
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*/ |
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public function fetchField(Result $result, $fieldOffset = 0) |
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{ |
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$meta = $result->getColumnMeta($fieldOffset); |
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if ($meta === false) { |
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return false; |
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} |
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$meta = (object) $meta; |
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foreach ($meta->flags as $flag) { |
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$meta->{$flag} = 1; |
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} |
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return $meta; |
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} |
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public function fetchLengths(Result $result) |
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{ |
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if (!is_array($result->getLastFetch())) { |
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return false; |
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} |
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return array_values(array_map('strlen', $result->getLastFetch())); |
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} |
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public function fetchObject(Result $result, $className = 'stdClass', array $params = []) |
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{ |
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return $result->fetchObject($className, $params); |
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} |
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public function fetchRow(Result $result) |
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{ |
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return $result->fetch(PDO::FETCH_NUM); |
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} |
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public function result(Result $result, $row, $field = 0) |
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{ |
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$row = $result->fetch(MysqlConstants::FETCH_BOTH, PDO::FETCH_ORI_ABS, $row); |
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return $row[$field]; |
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} |
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public function dataSeek() |
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{ |
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throw new NotSupportedException("The mysql_data_seek function is not supported. You must refactor your code."); |
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} |
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public function numFields(Result $result) |
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{ |
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return $result->getColumnCount(); |
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} |
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public function numRows(Result $result) |
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{ |
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$query = $result->getStatement()->queryString; |
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$matches = 0; |
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$count = preg_replace("~SELECT (.+) FROM~", "SELECT COUNT(*) FROM", $query, -1, $matches); |
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if ($matches === 0) { |
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return 0; |
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} |
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$countResult = $result->getConnection()->query($count); |
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return (int) $countResult->fetch()[0]; |
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} |
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protected function convertFetchStyle($style) |
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{ |
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switch ($style) { |
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case MysqlConstants::FETCH_ASSOC: |
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return PDO::FETCH_ASSOC; |
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case MysqlConstants::FETCH_NUM: |
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return PDO::FETCH_NUM; |
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case MysqlConstants::FETCH_BOTH: |
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return PDO::FETCH_BOTH; |
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case MysqlConstants::FETCH_OBJ: |
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return PDO::FETCH_CLASS; |
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default: |
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return $style; |
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} |
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} |
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} |
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mattbit /
mysql-compat
