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<?php |
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namespace Lagdo\DbAdmin\Driver\Sqlite\Db\Sqlite; |
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use Lagdo\DbAdmin\Driver\Db\Connection as AbstractConnection; |
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use Lagdo\DbAdmin\Driver\Sqlite\Db\ConfigTrait; |
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use Exception; |
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use SQLite3; |
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use function preg_match; |
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use function is_array; |
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use function is_object; |
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use function count; |
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use function unpack; |
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use function reset; |
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class Connection extends AbstractConnection |
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{ |
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use ConfigTrait; |
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/** |
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* @inheritDoc |
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*/ |
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public function open(string $database, string $schema = '') |
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{ |
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$options = $this->driver->options(); |
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$filename = $this->filename($database, $options); |
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$flags = $schema === '__create__' ? SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE : SQLITE3_OPEN_READWRITE; |
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try { |
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$this->client = new SQLite3($filename, $flags); |
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} catch (Exception $ex) { |
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$this->driver->setError($ex->getMessage()); |
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return false; |
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} |
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$this->query("PRAGMA foreign_keys = 1"); |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function serverInfo() |
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{ |
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$version = SQLite3::version(); |
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return $version["versionString"]; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function query(string $query, bool $unbuffered = false) |
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{ |
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$space = $this->spaceRegex(); |
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if (preg_match("~^$space*+ATTACH\\b~i", $query, $match)) { |
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// PHP doesn't support setting SQLITE_LIMIT_ATTACHED |
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$this->driver->setError($this->utils->trans->lang('ATTACH queries are not supported.')); |
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return false; |
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} |
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$result = @$this->client->query($query); |
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$this->driver->setError(); |
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if (!$result) { |
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$this->driver->setErrno($this->client->lastErrorCode()); |
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$this->driver->setError($this->client->lastErrorMsg()); |
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return false; |
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} elseif ($result->numColumns() > 0) { |
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return new Statement($result); |
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} |
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$this->setAffectedRows($this->client->changes()); |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function quote(string $string) |
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{ |
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if ($this->utils->str->isUtf8($string) || !is_array($unpacked = unpack('H*', $string))) { |
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return "'" . $this->client->escapeString($string) . "'"; |
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} |
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return "x'" . reset($unpacked) . "'"; |
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} |
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public function multiQuery(string $query) |
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{ |
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$this->statement = $this->driver->execute($query); |
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return $this->statement !== false; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function storedResult() |
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{ |
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return $this->statement; |
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} |
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public function nextResult() |
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{ |
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return false; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function result(string $query, int $field = -1) |
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{ |
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if ($field < 0) { |
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$field = $this->defaultField(); |
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} |
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$result = $this->driver->execute($query); |
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if (!is_object($result)) { |
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return null; |
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} |
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$row = $result->fetchRow(); |
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return is_array($row) && count($row) > $field ? $row[$field] : null; |
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} |
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} |
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lagdo /
dbadmin-driver-sqlite
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