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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: Ibm.php 23775 2011-03-01 17:25:24Z ralph $
*/
/** @see Zend_Db_Adapter_Pdo_Abstract */
// require_once 'Zend/Db/Adapter/Pdo/Abstract.php';
/** @see Zend_Db_Abstract_Pdo_Ibm_Db2 */
// require_once 'Zend/Db/Adapter/Pdo/Ibm/Db2.php';
/** @see Zend_Db_Abstract_Pdo_Ibm_Ids */
// require_once 'Zend/Db/Adapter/Pdo/Ibm/Ids.php';
/** @see Zend_Db_Statement_Pdo_Ibm */
// require_once 'Zend/Db/Statement/Pdo/Ibm.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_Pdo_Ibm extends \Zend_Db_Adapter_Pdo_Abstract
{
/**
* PDO type.
*
* @var string
*/
protected $_pdoType = 'ibm';
/**
* The IBM data server connected to
*
* @var string
*/
protected $_serverType = null;
/**
* 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 $_numericDataTypes = array(\Zend_Db::INT_TYPE => \Zend_Db::INT_TYPE, \Zend_Db::BIGINT_TYPE => \Zend_Db::BIGINT_TYPE, \Zend_Db::FLOAT_TYPE => \Zend_Db::FLOAT_TYPE, 'INTEGER' => \Zend_Db::INT_TYPE, 'SMALLINT' => \Zend_Db::INT_TYPE, 'BIGINT' => \Zend_Db::BIGINT_TYPE, 'DECIMAL' => \Zend_Db::FLOAT_TYPE, 'DEC' => \Zend_Db::FLOAT_TYPE, 'REAL' => \Zend_Db::FLOAT_TYPE, 'NUMERIC' => \Zend_Db::FLOAT_TYPE, 'DOUBLE PRECISION' => \Zend_Db::FLOAT_TYPE, 'FLOAT' => \Zend_Db::FLOAT_TYPE);
/**
* Creates a PDO object and connects to the database.
*
* The IBM data server is set.
* Current options are DB2 or IDS
* @todo also differentiate between z/OS and i/5
*
* @return void
* @throws Zend_Db_Adapter_Exception
*/
public function _connect()
{
if ($this->_connection) {
return;
}
parent::_connect();
$this->getConnection()->setAttribute(\Zend_Db::ATTR_STRINGIFY_FETCHES, \true);
try {
if ($this->_serverType === null) {
$server = \substr($this->getConnection()->getAttribute(\PDO::ATTR_SERVER_INFO), 0, 3);
switch ($server) {
case 'DB2':
$this->_serverType = new \Zend_Db_Adapter_Pdo_Ibm_Db2($this);
// Add DB2-specific numeric types
$this->_numericDataTypes['DECFLOAT'] = \Zend_Db::FLOAT_TYPE;
$this->_numericDataTypes['DOUBLE'] = \Zend_Db::FLOAT_TYPE;
$this->_numericDataTypes['NUM'] = \Zend_Db::FLOAT_TYPE;
break;
case 'IDS':
$this->_serverType = new \Zend_Db_Adapter_Pdo_Ibm_Ids($this);
// Add IDS-specific numeric types
$this->_numericDataTypes['SERIAL'] = \Zend_Db::INT_TYPE;
$this->_numericDataTypes['SERIAL8'] = \Zend_Db::BIGINT_TYPE;
$this->_numericDataTypes['INT8'] = \Zend_Db::BIGINT_TYPE;
$this->_numericDataTypes['SMALLFLOAT'] = \Zend_Db::FLOAT_TYPE;
$this->_numericDataTypes['MONEY'] = \Zend_Db::FLOAT_TYPE;
break;
}
}
} catch (\PDOException $e) {
/** @see Zend_Db_Adapter_Exception */
// require_once 'Zend/Db/Adapter/Exception.php';
$error = \strpos($e->getMessage(), 'driver does not support that attribute');
if ($error) {
throw new \Zend_Db_Adapter_Exception("PDO_IBM driver extension is downlevel. Please use driver release version 1.2.1 or later", 0, $e);
} else {
throw new \Zend_Db_Adapter_Exception($e->getMessage(), $e->getCode(), $e);
}
}
}
/**
* Creates a PDO DSN for the adapter from $this->_config settings.
*
* @return string
*/
protected function _dsn()
{
$this->_checkRequiredOptions($this->_config);
// check if using full connection string
if (\array_key_exists('host', $this->_config)) {
$dsn = ';DATABASE=' . $this->_config['dbname'] . ';HOSTNAME=' . $this->_config['host'] . ';PORT=' . $this->_config['port'] . ';PROTOCOL=' . 'TCPIP;';
} else {
// catalogued connection
$dsn = $this->_config['dbname'];
}
return $this->_pdoType . ': ' . $dsn;
}
/**
* Checks required options
*
* @param array $config
* @throws Zend_Db_Adapter_Exception
* @return void
*/
protected function _checkRequiredOptions(array $config)
{
parent::_checkRequiredOptions($config);
if (\array_key_exists('host', $this->_config) && !\array_key_exists('port', $config)) {
/** @see Zend_Db_Adapter_Exception */
// require_once 'Zend/Db/Adapter/Exception.php';
throw new \Zend_Db_Adapter_Exception("Configuration must have a key for 'port' when 'host' is specified");
}
}
/**
* Prepares an SQL statement.
*
* @param string $sql The SQL statement with placeholders.
* @param array $bind An array of data to bind to the placeholders.
* @return PDOStatement
*/
public function prepare($sql)
{
$this->_connect();
$stmtClass = $this->_defaultStmtClass;
$stmt = new $stmtClass($this, $sql);
$stmt->setFetchMode($this->_fetchMode);
return $stmt;
}
/**
* Returns a list of the tables in the database.
*
* @return array
*/
public function listTables()
{
$this->_connect();
return $this->_serverType->listTables();
}
/**
* 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
*
* @todo Discover integer unsigned property.
*
* @param string $tableName
* @param string $schemaName OPTIONAL
* @return array
*/
public function describeTable($tableName, $schemaName = null)
{
$this->_connect();
return $this->_serverType->describeTable($tableName, $schemaName);
}
/**
* Inserts a table row with specified data.
* Special handling for PDO_IBM
* remove empty slots
*
* @param mixed $table The table to insert data into.
* @param array $bind Column-value pairs.
* @return int The number of affected rows.
*/
public function insert($table, array $bind)
{
$this->_connect();
$newbind = array();
if (\is_array($bind)) {
foreach ($bind as $name => $value) {
if ($value !== null) {
$newbind[$name] = $value;
}
}
}
return parent::insert($table, $newbind);
}
/**
* Adds an adapter-specific LIMIT clause to the SELECT statement.
*
* @param string $sql
* @param integer $count
* @param integer $offset OPTIONAL
* @return string
*/
public function limit($sql, $count, $offset = 0)
{
$this->_connect();
return $this->_serverType->limit($sql, $count, $offset);
}
/**
* Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT
* column.
*
* @param string $tableName OPTIONAL
* @param string $primaryKey OPTIONAL
* @return integer
*/
public function lastInsertId($tableName = null, $primaryKey = null)
{
$this->_connect();
if ($tableName !== null) {
$sequenceName = $tableName;
if ($primaryKey) {
$sequenceName .= "_{$primaryKey}";
}
$sequenceName .= '_seq';
return $this->lastSequenceId($sequenceName);
}
$id = $this->getConnection()->lastInsertId();
return $id;
}
/**
* Return the most recent value from the specified sequence in the database.
*
* @param string $sequenceName
* @return integer
*/
public function lastSequenceId($sequenceName)
{
$this->_connect();
return $this->_serverType->lastSequenceId($sequenceName);
}
/**
* Generate a new value from the specified sequence in the database,
* and return it.
*
* @param string $sequenceName
* @return integer
*/
public function nextSequenceId($sequenceName)
{
$this->_connect();
return $this->_serverType->nextSequenceId($sequenceName);
}
/**
* Retrieve server version in PHP style
* Pdo_Idm doesn't support getAttribute(PDO::ATTR_SERVER_VERSION)
* @return string
*/
public function getServerVersion()
{
try {
$stmt = $this->query('SELECT service_level, fixpack_num FROM TABLE (sysproc.env_get_inst_info()) as INSTANCEINFO');
$result = $stmt->fetchAll(\Zend_Db::FETCH_NUM);
if (\count($result)) {
$matches = null;
if (\preg_match('/((?:[0-9]{1,2}\\.){1,3}[0-9]{1,2})/', $result[0][0], $matches)) {
return $matches[1];
} else {
return null;
}
}
return null;
} catch (\PDOException $e) {
return null;
}
}
}
}