550 lines
17 KiB
PHP
550 lines
17 KiB
PHP
<?php
|
|
/**
|
|
* 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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
* @version $Id: Mysqli.php 16203 2009-06-21 18:56:17Z thomas $
|
|
*/
|
|
|
|
|
|
/**
|
|
* @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) 2005-2009 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 = (integer) $this->_config['port'];
|
|
} else {
|
|
$port = null;
|
|
}
|
|
|
|
$this->_connection = mysqli_init();
|
|
|
|
if(!empty($this->_config['driver_options'])) {
|
|
foreach($this->_config['driver_options'] as $option=>$value) {
|
|
if(is_string($option)) {
|
|
// Suppress warnings here
|
|
// Ignore it if it's not a valid constant
|
|
$option = @constant(strtoupper($option));
|
|
if($option === null)
|
|
continue;
|
|
}
|
|
mysqli_options($this->_connection, $option, $value);
|
|
}
|
|
}
|
|
|
|
// 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'],
|
|
$port
|
|
);
|
|
|
|
if ($_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;
|
|
}
|
|
}
|