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<?php
namespace {
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Db
* @subpackage Adapter
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Mysqli.php 23775 2011-03-01 17:25:24Z ralph $
*/
/**
* @see Zend_Db_Adapter_Abstract
*/
// require_once 'Zend/Db/Adapter/Abstract.php';
/**
* @see Zend_Db_Profiler
*/
// require_once 'Zend/Db/Profiler.php';
/**
* @see Zend_Db_Select
*/
// require_once 'Zend/Db/Select.php';
/**
* @see Zend_Db_Statement_Mysqli
*/
// require_once 'Zend/Db/Statement/Mysqli.php';
/**
* @category Zend
* @package Zend_Db
* @subpackage Adapter
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Db_Adapter_Mysqli extends \Zend_Db_Adapter_Abstract
{
/**
* Keys are UPPERCASE SQL datatypes or the constants
* Zend_Db::INT_TYPE, Zend_Db::BIGINT_TYPE, or Zend_Db::FLOAT_TYPE.
*
* Values are:
* 0 = 32-bit integer
* 1 = 64-bit integer
* 2 = float or decimal
*
* @var array Associative array of datatypes to values 0, 1, or 2.
*/
protected $_numericDataTypes = array(\Zend_Db::INT_TYPE => \Zend_Db::INT_TYPE, \Zend_Db::BIGINT_TYPE => \Zend_Db::BIGINT_TYPE, \Zend_Db::FLOAT_TYPE => \Zend_Db::FLOAT_TYPE, 'INT' => \Zend_Db::INT_TYPE, 'INTEGER' => \Zend_Db::INT_TYPE, 'MEDIUMINT' => \Zend_Db::INT_TYPE, 'SMALLINT' => \Zend_Db::INT_TYPE, 'TINYINT' => \Zend_Db::INT_TYPE, 'BIGINT' => \Zend_Db::BIGINT_TYPE, 'SERIAL' => \Zend_Db::BIGINT_TYPE, 'DEC' => \Zend_Db::FLOAT_TYPE, 'DECIMAL' => \Zend_Db::FLOAT_TYPE, 'DOUBLE' => \Zend_Db::FLOAT_TYPE, 'DOUBLE PRECISION' => \Zend_Db::FLOAT_TYPE, 'FIXED' => \Zend_Db::FLOAT_TYPE, 'FLOAT' => \Zend_Db::FLOAT_TYPE);
/**
* @var Zend_Db_Statement_Mysqli
*/
protected $_stmt = null;
/**
* Default class name for a DB statement.
*
* @var string
*/
protected $_defaultStmtClass = 'Zend_Db_Statement_Mysqli';
/**
* Quote a raw string.
*
* @param mixed $value Raw string
*
* @return string Quoted string
*/
protected function _quote($value)
{
if (\is_int($value) || \is_float($value)) {
return $value;
}
$this->_connect();
return "'" . $this->_connection->real_escape_string($value) . "'";
}
/**
* Returns the symbol the adapter uses for delimiting identifiers.
*
* @return string
*/
public function getQuoteIdentifierSymbol()
{
return "`";
}
/**
* Returns a list of the tables in the database.
*
* @return array
*/
public function listTables()
{
$result = array();
// Use mysqli extension API, because SHOW doesn't work
// well as a prepared statement on MySQL 4.1.
$sql = 'SHOW TABLES';
if ($queryResult = $this->getConnection()->query($sql)) {
while ($row = $queryResult->fetch_row()) {
$result[] = $row[0];
}
$queryResult->close();
} else {
/**
* @see Zend_Db_Adapter_Mysqli_Exception
*/
// require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
throw new \Zend_Db_Adapter_Mysqli_Exception($this->getConnection()->error);
}
return $result;
}
/**
* Returns the column descriptions for a table.
*
* The return value is an associative array keyed by the column name,
* as returned by the RDBMS.
*
* The value of each array element is an associative array
* with the following keys:
*
* SCHEMA_NAME => string; name of database or schema
* TABLE_NAME => string;
* COLUMN_NAME => string; column name
* COLUMN_POSITION => number; ordinal position of column in table
* DATA_TYPE => string; SQL datatype name of column
* DEFAULT => string; default expression of column, null if none
* NULLABLE => boolean; true if column can have nulls
* LENGTH => number; length of CHAR/VARCHAR
* SCALE => number; scale of NUMERIC/DECIMAL
* PRECISION => number; precision of NUMERIC/DECIMAL
* UNSIGNED => boolean; unsigned property of an integer type
* PRIMARY => boolean; true if column is part of the primary key
* PRIMARY_POSITION => integer; position of column in primary key
* IDENTITY => integer; true if column is auto-generated with unique values
*
* @param string $tableName
* @param string $schemaName OPTIONAL
* @return array
*/
public function describeTable($tableName, $schemaName = null)
{
/**
* @todo use INFORMATION_SCHEMA someday when
* MySQL's implementation isn't too slow.
*/
if ($schemaName) {
$sql = 'DESCRIBE ' . $this->quoteIdentifier("{$schemaName}.{$tableName}", \true);
} else {
$sql = 'DESCRIBE ' . $this->quoteIdentifier($tableName, \true);
}
/**
* Use mysqli extension API, because DESCRIBE doesn't work
* well as a prepared statement on MySQL 4.1.
*/
if ($queryResult = $this->getConnection()->query($sql)) {
while ($row = $queryResult->fetch_assoc()) {
$result[] = $row;
}
$queryResult->close();
} else {
/**
* @see Zend_Db_Adapter_Mysqli_Exception
*/
// require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
throw new \Zend_Db_Adapter_Mysqli_Exception($this->getConnection()->error);
}
$desc = array();
$row_defaults = array('Length' => null, 'Scale' => null, 'Precision' => null, 'Unsigned' => null, 'Primary' => \false, 'PrimaryPosition' => null, 'Identity' => \false);
$i = 1;
$p = 1;
foreach ($result as $key => $row) {
$row = \array_merge($row_defaults, $row);
if (\preg_match('/unsigned/', $row['Type'])) {
$row['Unsigned'] = \true;
}
if (\preg_match('/^((?:var)?char)\\((\\d+)\\)/', $row['Type'], $matches)) {
$row['Type'] = $matches[1];
$row['Length'] = $matches[2];
} else {
if (\preg_match('/^decimal\\((\\d+),(\\d+)\\)/', $row['Type'], $matches)) {
$row['Type'] = 'decimal';
$row['Precision'] = $matches[1];
$row['Scale'] = $matches[2];
} else {
if (\preg_match('/^float\\((\\d+),(\\d+)\\)/', $row['Type'], $matches)) {
$row['Type'] = 'float';
$row['Precision'] = $matches[1];
$row['Scale'] = $matches[2];
} else {
if (\preg_match('/^((?:big|medium|small|tiny)?int)\\((\\d+)\\)/', $row['Type'], $matches)) {
$row['Type'] = $matches[1];
/**
* The optional argument of a MySQL int type is not precision
* or length; it is only a hint for display width.
*/
}
}
}
}
if (\strtoupper($row['Key']) == 'PRI') {
$row['Primary'] = \true;
$row['PrimaryPosition'] = $p;
if ($row['Extra'] == 'auto_increment') {
$row['Identity'] = \true;
} else {
$row['Identity'] = \false;
}
++$p;
}
$desc[$this->foldCase($row['Field'])] = array(
'SCHEMA_NAME' => null,
// @todo
'TABLE_NAME' => $this->foldCase($tableName),
'COLUMN_NAME' => $this->foldCase($row['Field']),
'COLUMN_POSITION' => $i,
'DATA_TYPE' => $row['Type'],
'DEFAULT' => $row['Default'],
'NULLABLE' => (bool) ($row['Null'] == 'YES'),
'LENGTH' => $row['Length'],
'SCALE' => $row['Scale'],
'PRECISION' => $row['Precision'],
'UNSIGNED' => $row['Unsigned'],
'PRIMARY' => $row['Primary'],
'PRIMARY_POSITION' => $row['PrimaryPosition'],
'IDENTITY' => $row['Identity'],
);
++$i;
}
return $desc;
}
/**
* Creates a connection to the database.
*
* @return void
* @throws Zend_Db_Adapter_Mysqli_Exception
*/
protected function _connect()
{
if ($this->_connection) {
return;
}
if (!\extension_loaded('mysqli')) {
/**
* @see Zend_Db_Adapter_Mysqli_Exception
*/
// require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
throw new \Zend_Db_Adapter_Mysqli_Exception('The Mysqli extension is required for this adapter but the extension is not loaded');
}
if (isset($this->_config['port'])) {
$port = (int) $this->_config['port'];
} else {
$port = null;
}
$this->_connection = \mysqli_init();
$enable_ssl = \false;
$ssl_options = array('ssl_ca' => null, 'ssl_ca_path' => null, 'ssl_cert' => null, 'ssl_cipher' => null, 'ssl_key' => null);
if (!empty($this->_config['driver_options'])) {
foreach ($this->_config['driver_options'] as $option => $value) {
if (\array_key_exists($option, $ssl_options)) {
$ssl_options[$option] = $value;
$enable_ssl = \true;
continue;
// these options are set below in mysqli_ssl_set
} elseif (\is_string($option)) {
// Suppress warnings here
// Ignore it if it's not a valid constant
if (!\defined(\strtoupper($option))) {
continue;
}
$option = @\constant(\strtoupper($option));
if ($option === null) {
continue;
}
}
\mysqli_options($this->_connection, $option, $value);
}
}
if ($enable_ssl) {
\mysqli_ssl_set($this->_connection, $ssl_options['ssl_key'], $ssl_options['ssl_cert'], $ssl_options['ssl_ca'], $ssl_options['ssl_ca_path'], $ssl_options['ssl_cipher']);
}
$flags = null;
if ($enable_ssl) {
$flags = \MYSQLI_CLIENT_SSL;
if (!empty($this->_config['driver_options']['ssl_no_verify']) && \defined('MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT')) {
$flags = \MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT;
}
}
$socket = !empty($this->_config['unix_socket']) ? $this->_config['unix_socket'] : null;
// Suppress connection warnings here.
// Throw an exception instead.
$_isConnected = @\mysqli_real_connect($this->_connection, $this->_config['host'], $this->_config['username'], $this->_config['password'], $this->_config['dbname'], $port, $socket, $enable_ssl ? $flags : null);
if ($_isConnected === \false || \mysqli_connect_errno()) {
$this->closeConnection();
/**
* @see Zend_Db_Adapter_Mysqli_Exception
*/
// require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
throw new \Zend_Db_Adapter_Mysqli_Exception(\mysqli_connect_error());
}
if (!empty($this->_config['charset'])) {
\mysqli_set_charset($this->_connection, $this->_config['charset']);
}
}
/**
* Test if a connection is active
*
* @return boolean
*/
public function isConnected()
{
return (bool) ($this->_connection instanceof \mysqli);
}
/**
* Force the connection to close.
*
* @return void
*/
public function closeConnection()
{
if ($this->isConnected()) {
$this->_connection->close();
}
$this->_connection = null;
}
/**
* Prepare a statement and return a PDOStatement-like object.
*
* @param string $sql SQL query
* @return Zend_Db_Statement_Mysqli
*/
public function prepare($sql)
{
$this->_connect();
if ($this->_stmt) {
$this->_stmt->close();
}
$stmtClass = $this->_defaultStmtClass;
if (!\class_exists($stmtClass)) {
// require_once 'Zend/Loader.php';
\Zend_Loader::loadClass($stmtClass);
}
$stmt = new $stmtClass($this, $sql);
if ($stmt === \false) {
return \false;
}
$stmt->setFetchMode($this->_fetchMode);
$this->_stmt = $stmt;
return $stmt;
}
/**
* Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column.
*
* As a convention, on RDBMS brands that support sequences
* (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence
* from the arguments and returns the last id generated by that sequence.
* On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method
* returns the last value generated for such a column, and the table name
* argument is disregarded.
*
* MySQL does not support sequences, so $tableName and $primaryKey are ignored.
*
* @param string $tableName OPTIONAL Name of table.
* @param string $primaryKey OPTIONAL Name of primary key column.
* @return string
* @todo Return value should be int?
*/
public function lastInsertId($tableName = null, $primaryKey = null)
{
$mysqli = $this->_connection;
return (string) $mysqli->insert_id;
}
/**
* Begin a transaction.
*
* @return void
*/
protected function _beginTransaction()
{
$this->_connect();
$this->_connection->autocommit(\false);
}
/**
* Commit a transaction.
*
* @return void
*/
protected function _commit()
{
$this->_connect();
$this->_connection->commit();
$this->_connection->autocommit(\true);
}
/**
* Roll-back a transaction.
*
* @return void
*/
protected function _rollBack()
{
$this->_connect();
$this->_connection->rollback();
$this->_connection->autocommit(\true);
}
/**
* Set the fetch mode.
*
* @param int $mode
* @return void
* @throws Zend_Db_Adapter_Mysqli_Exception
*/
public function setFetchMode($mode)
{
switch ($mode) {
case \Zend_Db::FETCH_LAZY:
case \Zend_Db::FETCH_ASSOC:
case \Zend_Db::FETCH_NUM:
case \Zend_Db::FETCH_BOTH:
case \Zend_Db::FETCH_NAMED:
case \Zend_Db::FETCH_OBJ:
$this->_fetchMode = $mode;
break;
case \Zend_Db::FETCH_BOUND:
// bound to PHP variable
/**
* @see Zend_Db_Adapter_Mysqli_Exception
*/
// require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
throw new \Zend_Db_Adapter_Mysqli_Exception('FETCH_BOUND is not supported yet');
break;
default:
/**
* @see Zend_Db_Adapter_Mysqli_Exception
*/
// require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
throw new \Zend_Db_Adapter_Mysqli_Exception("Invalid fetch mode '{$mode}' specified");
}
}
/**
* Adds an adapter-specific LIMIT clause to the SELECT statement.
*
* @param string $sql
* @param int $count
* @param int $offset OPTIONAL
* @return string
*/
public function limit($sql, $count, $offset = 0)
{
$count = \intval($count);
if ($count <= 0) {
/**
* @see Zend_Db_Adapter_Mysqli_Exception
*/
// require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
throw new \Zend_Db_Adapter_Mysqli_Exception("LIMIT argument count={$count} is not valid");
}
$offset = \intval($offset);
if ($offset < 0) {
/**
* @see Zend_Db_Adapter_Mysqli_Exception
*/
// require_once 'Zend/Db/Adapter/Mysqli/Exception.php';
throw new \Zend_Db_Adapter_Mysqli_Exception("LIMIT argument offset={$offset} is not valid");
}
$sql .= " LIMIT {$count}";
if ($offset > 0) {
$sql .= " OFFSET {$offset}";
}
return $sql;
}
/**
* Check if the adapter supports real SQL parameters.
*
* @param string $type 'positional' or 'named'
* @return bool
*/
public function supportsParameters($type)
{
switch ($type) {
case 'positional':
return \true;
case 'named':
default:
return \false;
}
}
/**
* Retrieve server version in PHP style
*
*@return string
*/
public function getServerVersion()
{
$this->_connect();
$version = $this->_connection->server_version;
$major = (int) ($version / 10000);
$minor = (int) ($version % 10000 / 100);
$revision = (int) ($version % 100);
return $major . '.' . $minor . '.' . $revision;
}
}
}