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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\Mysqli; |
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use EngineWorks\DBAL\CommonTypes; |
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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 mysqli_result; |
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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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private const TYPES = [ |
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// MYSQLI_TYPE_BIT => CommonTypes::T, |
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MYSQLI_TYPE_BLOB => CommonTypes::TTEXT, |
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// MYSQLI_TYPE_CHAR => CommonTypes::TINT, // MYSQLI_TYPE_TINY is the same as MYSQLI_TYPE_CHAR |
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MYSQLI_TYPE_DATE => CommonTypes::TDATE, |
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MYSQLI_TYPE_DATETIME => CommonTypes::TDATETIME, |
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MYSQLI_TYPE_DECIMAL => CommonTypes::TNUMBER, |
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MYSQLI_TYPE_DOUBLE => CommonTypes::TNUMBER, |
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// MYSQLI_TYPE_ENUM => CommonTypes::T, |
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MYSQLI_TYPE_FLOAT => CommonTypes::TNUMBER, |
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// MYSQLI_TYPE_GEOMETRY => CommonTypes::T, |
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MYSQLI_TYPE_INT24 => CommonTypes::TINT, |
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// MYSQLI_TYPE_INTERVAL => CommonTypes::T, |
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MYSQLI_TYPE_LONG => CommonTypes::TINT, |
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MYSQLI_TYPE_LONGLONG => CommonTypes::TINT, |
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MYSQLI_TYPE_LONG_BLOB => CommonTypes::TTEXT, |
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MYSQLI_TYPE_MEDIUM_BLOB => CommonTypes::TTEXT, |
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MYSQLI_TYPE_NEWDATE => CommonTypes::TDATE, |
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MYSQLI_TYPE_NEWDECIMAL => CommonTypes::TNUMBER, |
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// MYSQLI_TYPE_NULL => CommonTypes::T, |
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// MYSQLI_TYPE_SET => CommonTypes::T, |
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MYSQLI_TYPE_SHORT => CommonTypes::TINT, |
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MYSQLI_TYPE_STRING => CommonTypes::TTEXT, |
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MYSQLI_TYPE_TIME => CommonTypes::TTIME, |
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MYSQLI_TYPE_TIMESTAMP => CommonTypes::TINT, |
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MYSQLI_TYPE_TINY => CommonTypes::TINT, |
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MYSQLI_TYPE_TINY_BLOB => CommonTypes::TTEXT, |
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MYSQLI_TYPE_VAR_STRING => CommonTypes::TTEXT, |
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MYSQLI_TYPE_YEAR => CommonTypes::TINT, |
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]; |
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/** |
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* Mysqli element |
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* @var mysqli_result<mixed> |
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*/ |
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private $query; |
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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, flags: int}>|null |
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*/ |
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private $cachedGetFields; |
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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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* Result based on Mysqli |
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* |
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* @param mysqli_result<mixed> $result |
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* @param array<string, string> $overrideTypes |
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*/ |
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public function __construct(mysqli_result $result, array $overrideTypes = []) |
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{ |
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$this->query = $result; |
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$this->overrideTypes = $overrideTypes; |
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} |
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/** |
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* Close the query and remove property association |
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*/ |
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public function __destruct() |
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{ |
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$this->query->free(); |
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} |
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/** |
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* @inheritDoc |
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* @return array<int, array{name: string, table: string, commontype: string, flags: int}> |
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*/ |
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public function getFields(): array |
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{ |
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if (null === $this->cachedGetFields) { |
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$this->cachedGetFields = $this->obtainFields(); |
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} |
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return $this->cachedGetFields; |
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} |
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/** @return array<int, array{name: string, table: string, commontype: string, flags: int}> */ |
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private function obtainFields(): array |
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{ |
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$fields = []; |
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$fetchedFields = $this->query->fetch_fields() ?: []; |
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foreach ($fetchedFields as $fetched) { |
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$commonType = $this->getCommonType( |
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$fetched->{'name'}, |
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$fetched->{'type'}, |
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$fetched->{'length'}, |
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$fetched->{'decimals'} |
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); |
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$fields[] = [ |
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'name' => $fetched->name, |
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'commontype' => $commonType, |
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'table' => $fetched->table, |
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'flags' => $fetched->flags, // extra: used for getting the ids in the query |
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]; |
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} |
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return $fields; |
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} |
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private function getCommonType(string $fieldname, int $fieldtype, int $fieldlength, int $fielddecimals): string |
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{ |
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if (isset($this->overrideTypes[$fieldname])) { |
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return $this->overrideTypes[$fieldname]; |
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} |
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if (isset(self::TYPES[$fieldtype])) { |
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$type = self::TYPES[$fieldtype]; |
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if (1 === $fieldlength && (CommonTypes::TINT === $type || CommonTypes::TNUMBER === $type)) { |
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$type = CommonTypes::TBOOL; |
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} elseif (CommonTypes::TNUMBER === $type && 0 === $fielddecimals) { |
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$type = CommonTypes::TINT; |
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} |
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} else { |
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$type = CommonTypes::TTEXT; |
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} |
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return $type; |
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} |
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public function getIdFields() |
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{ |
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$fieldsAutoIncrement = []; |
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$fieldsPrimaryKeys = []; |
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$fieldsUniqueKeys = []; |
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foreach ($this->getFields() as $field) { |
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$flags = (int) $field['flags']; |
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if (MYSQLI_AUTO_INCREMENT_FLAG & $flags) { |
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$fieldsAutoIncrement[] = (string) $field['name']; |
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break; |
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} elseif (MYSQLI_PRI_KEY_FLAG & $flags) { |
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$fieldsPrimaryKeys[] = (string) $field['name']; |
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} elseif (MYSQLI_UNIQUE_KEY_FLAG & $flags) { |
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$fieldsUniqueKeys[] = (string) $field['name']; |
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} |
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} |
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if (count($fieldsAutoIncrement)) { |
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return $fieldsAutoIncrement; |
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} |
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if (count($fieldsPrimaryKeys)) { |
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return $fieldsPrimaryKeys; |
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} |
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if (count($fieldsUniqueKeys)) { |
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return $fieldsUniqueKeys; |
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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 (int) $this->query->num_rows; |
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} |
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public function fetchRow() |
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{ |
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$return = $this->query->fetch_assoc(); |
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return (! is_array($return)) ? false : $return; |
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} |
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public function moveTo(int $offset): bool |
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{ |
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if ($offset < 0) { |
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return false; |
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} |
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return $this->query->data_seek($offset); |
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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 $this->moveTo(0); |
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} |
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} |
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eclipxe13 /
engineworks-dbal
