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<?php |
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namespace Lagdo\DbAdmin\Driver\PgSql\Db\PgSql; |
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use Lagdo\DbAdmin\Driver\Entity\TableFieldEntity; |
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use Lagdo\DbAdmin\Driver\Db\Connection as AbstractConnection; |
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/** |
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* PostgreSQL driver to be used with the pgsql PHP extension. |
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*/ |
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class Connection extends AbstractConnection |
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{ |
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/** |
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* @var mixed |
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*/ |
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public $result; |
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/** |
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* @var int |
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*/ |
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public $timeout; |
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public function _error($errno, $error) |
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{ |
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if ($this->util->iniBool("html_errors")) { |
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$error = html_entity_decode(strip_tags($error)); |
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} |
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$error = preg_replace('~^[^:]*: ~', '', $error); |
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$this->driver->setError($error); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function open(string $database, string $schema = '') |
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{ |
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$server = str_replace(":", "' port='", addcslashes($this->driver->options('server'), "'\\")); |
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$options = $this->driver->options(); |
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$username = addcslashes($options['username'], "'\\"); |
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$password = addcslashes($options['password'], "'\\"); |
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$database = ($database) ? addcslashes($database, "'\\") : "postgres"; |
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set_error_handler(array($this, '_error')); |
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$connString = "host='$server' user='$username' password='$password' dbname='$database'"; |
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$this->client = pg_connect($connString, PGSQL_CONNECT_FORCE_NEW); |
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// if (!$this->client && $database != "") { |
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// // try to connect directly with database for performance |
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// $this->_database = false; |
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// $this->client = pg_connect("{$this->_string} dbname='postgres'", PGSQL_CONNECT_FORCE_NEW); |
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// } |
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restore_error_handler(); |
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if (!$this->client) { |
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return false; |
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} |
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if ($this->driver->minVersion(9, 0)) { |
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if (pg_query($this->client, "SET application_name = 'Adminer'") === false) { |
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$this->driver->setError(pg_last_error($this->client)); |
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} |
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} |
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if (($schema)) { |
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if (pg_query($this->client, "SET search_path TO " . $this->driver->escapeId($schema)) === false) { |
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$this->driver->setError(pg_last_error($this->client)); |
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} |
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} |
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pg_set_client_encoding($this->client, "UTF8"); |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function serverInfo() |
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{ |
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$version = pg_version($this->client); |
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return $version["server"]; |
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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 $string) |
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{ |
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return "'" . pg_escape_string($this->client, $string) . "'"; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function value($value, TableFieldEntity $field) |
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{ |
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$type = $field->type; |
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return ($type == "bytea" && $value !== null ? pg_unescape_bytea($value) : $value); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function quoteBinary(string $string) |
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{ |
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return "'" . pg_escape_bytea($this->client, $string) . "'"; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function close() |
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{ |
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// $this->client = pg_connect("{$this->_string} dbname='postgres'"); |
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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 $unbuffered = false) |
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{ |
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$result = pg_query($this->client, $query); |
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$this->driver->setError(); |
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if ($result === false) { |
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$this->driver->setError(pg_last_error($this->client)); |
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$statement = false; |
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} elseif (!pg_num_fields($result)) { |
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$this->driver->setAffectedRows(pg_affected_rows($result)); |
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$statement = true; |
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} else { |
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$statement = new Statement($result); |
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} |
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if ($this->timeout) { |
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$this->timeout = 0; |
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$this->query("RESET statement_timeout"); |
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} |
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return $statement; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function multiQuery($query) |
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{ |
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$this->statement = $this->query($query); |
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return !(!$this->statement); |
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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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/** |
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* @inheritDoc |
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*/ |
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public function nextResult() |
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{ |
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// PgSQL extension doesn't support multiple results |
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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 = $this->query($query); |
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if ($result === null || !$result->rowCount()) { |
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return null; |
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} |
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// return pg_fetch_result($result->result, 0, $field); |
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$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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* @inheritDoc |
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*/ |
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public function warnings() |
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{ |
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// second parameter is available since PHP 7.1.0 |
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return $this->util->html(pg_last_notice($this->client)); |
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} |
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} |
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