/OpenIview/Db/Statement/I5.php
PHP | 367 lines | 177 code | 41 blank | 149 comment | 25 complexity | eba84c6b595594fb3242866a0bafa1c3 MD5 | raw file
- <?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 Statement
- * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id: I5.php 20096 2010-01-06 02:05:09Z bkarwin $
- */
- /**
- * @see Zend_Db_Statement
- */
- require_once 'Zend/Db/Statement.php';
- /**
- * Extends for DB2 native adapter.
- *
- * @package Zend_Db
- * @subpackage Statement
- * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- class Openiview_Db_Statement_I5 extends Zend_Db_Statement
- {
- /**
- * Column names.
- */
- protected $_keys;
- /**
- * Fetched result values.
- */
- protected $_values;
- /**
- * Prepare a statement handle.
- *
- * @param string $sql
- * @return void
- * @throws Zend_Db_Statement_Db2_Exception
- */
- public function _prepare($sql)
- {
- $connection = $this->_adapter->getConnection();
- // db2_prepare on i5 emits errors, these need to be
- // suppressed so that proper exceptions can be thrown
- $this->_stmt = @i5_prepare($sql, $connection);
- if (!$this->_stmt) {
- /**
- * @see Openiview_Db_Statement_I5_Exception
- */
- $arrError = i5_error();
-
- require_once 'Openiview/Db/Statement/I5/Exception.php';
- throw new Openiview_Db_Statement_I5_Exception(
- $arrError['desc'],
- i5_errno()
- );
- }
- }
- /**
- * Binds a parameter to the specified variable name.
- *
- * @param mixed $parameter Name the parameter, either integer or string.
- * @param mixed $variable Reference to PHP variable containing the value.
- * @param mixed $type OPTIONAL Datatype of SQL parameter.
- * @param mixed $length OPTIONAL Length of SQL parameter.
- * @param mixed $options OPTIONAL Other options.
- * @return bool
- * @throws Openiview_Db_Statement_I5_Exception
- */
- public function _bindParam($parameter, &$variable, $type = null, $length = null, $options = null)
- {
- if ($type === null) {
- $type = DB2_PARAM_IN;
- }
- if (isset($options['data-type'])) {
- $datatype = $options['data-type'];
- } else {
- $datatype = DB2_CHAR;
- }
-
- //if (!db2_bind_param($this->_stmt, $position, "variable", $type, $datatype)) {
- if (!i5_bind_result ($this->_stmt, "variable")) {
- /**
- * @see Openiview_Db_Statement_I5_Exception
- */
- require_once 'Openiview/Db/Statement/I5/Exception.php';
- throw new Openiview_Db_Statement_I5_Exception(
- i5_errormsg(),
- i5_errno()
- );
- }
- return true;
- }
- /**
- * Closes the cursor, allowing the statement to be executed again.
- *
- * @return bool
- */
- public function closeCursor()
- {
- if (!$this->_stmt) {
- return false;
- }
- i5_free_query($this->_stmt);
- $this->_stmt = false;
- return true;
- }
- /**
- * Returns the number of columns in the result set.
- * Returns null if the statement has no result set metadata.
- *
- * @return int The number of columns.
- */
- public function columnCount()
- {
- if (!$this->_stmt) {
- return false;
- }
- return i5_num_fields($this->_stmt);
- }
- /**
- * Retrieves the error code, if any, associated with the last operation on
- * the statement handle.
- *
- * @return string error code.
- */
- public function errorCode()
- {
- if (!$this->_stmt) {
- return false;
- }
- $error = i5_errno();
- if ($error === '') {
- return false;
- }
- return $error;
- }
- /**
- * Retrieves an array of error information, if any, associated with the
- * last operation on the statement handle.
- *
- * @return array
- */
- public function errorInfo()
- {
- $error = $this->errorCode();
- if ($error === false){
- return false;
- }
- /*
- * Return three-valued array like PDO. But DB2 does not distinguish
- * between SQLCODE and native RDBMS error code, so repeat the SQLCODE.
- */
- return array(
- $error,
- $error,
- i5_errormsg()
- );
- }
- /**
- * Executes a prepared statement.
- *
- * @param array $params OPTIONAL Values to bind to parameter placeholders.
- * @return bool
- * @throws Openiview_Db_Statement_I5_Exception
- */
- public function _execute(array $params = null)
- {
- if (!$this->_stmt) {
- return false;
- }
- $retval = true;
- if ($params !== null) {
- $retval = @i5_execute($this->_stmt, $params);
-
- } else {
- $retval = @i5_execute($this->_stmt);
- }
- if ($retval === false) {
- /**
- * @see Openiview_Db_Statement_I5_Exception
- */
- $arrError = i5_error();
-
- require_once 'Openiview/Db/Statement/I5/Exception.php';
- throw new Openiview_Db_Statement_I5_Exception(
- $arrError['desc'],
- i5_errno());
- }
- $this->_keys = array();
- if ($field_num = $this->columnCount()) {
- for ($i = 0; $i < $field_num; $i++) {
- $name = i5_field_name($this->_stmt, $i);
- $this->_keys[] = $name;
- }
- }
- $this->_values = array();
- if ($this->_keys) {
- $this->_values = array_fill(0, count($this->_keys), null);
- }
- return $retval;
- }
- /**
- * Fetches a row from the result set.
- *
- * @param int $style OPTIONAL Fetch mode for this fetch operation.
- * @param int $cursor OPTIONAL Absolute, relative, or other.
- * @param int $offset OPTIONAL Number for absolute or relative cursors.
- * @return mixed Array, object, or scalar depending on fetch mode.
- * @throws Openiview_Db_Statement_I5_Exception
- */
- public function fetch($style = null, $cursor = null, $offset = null)
- {
- if (!$this->_stmt) {
- return false;
- }
- if ($style === null) {
- $style = $this->_fetchMode;
- }
- switch ($style) {
- case Zend_Db::FETCH_NUM :
- $row = i5_fetch_row($this->_stmt);
- break;
- case Zend_Db::FETCH_ASSOC :
- $row = i5_fetch_assoc($this->_stmt);
- break;
- case Zend_Db::FETCH_BOTH :
- $row = i5_fetch_array($this->_stmt);
- break;
- case Zend_Db::FETCH_OBJ :
- $row = i5_fetch_object($this->_stmt);
- break;
- case Zend_Db::FETCH_BOUND:
- $row = i5_fetch_array($this->_stmt);
- if ($row !== false) {
- return $this->_fetchBound($row);
- }
- break;
- default:
- /**
- * @see Openiview_Db_Statement_I5_Exception
- */
- require_once 'Openiview/Db/Statement/I5/Exception.php';
- throw new Openiview_Db_Statement_I5_Exception("Invalid fetch mode '$style' specified");
- break;
- }
- return $row;
- }
- /**
- * Fetches the next row and returns it as an object.
- *
- * @param string $class OPTIONAL Name of the class to create.
- * @param array $config OPTIONAL Constructor arguments for the class.
- * @return mixed One object instance of the specified class.
- */
- public function fetchObject($class = 'stdClass', array $config = array())
- {
- $obj = $this->fetch(Zend_Db::FETCH_OBJ);
- return $obj;
- }
- /**
- * Retrieves the next rowset (result set) for a SQL statement that has
- * multiple result sets. An example is a stored procedure that returns
- * the results of multiple queries.
- *
- * @return bool
- * @throws Openiview_Db_Statement_I5_Exception
- */
- public function nextRowset()
- {
- /**
- * @see Openiview_Db_Statement_I5_Exception
- */
- require_once 'Openiview/Db/Statement/I5/Exception.php';
- throw new Openiview_Db_Statement_I5_Exception(__FUNCTION__ . '() is not implemented');
- }
- /**
- * Returns the number of rows affected by the execution of the
- * last INSERT, DELETE, or UPDATE statement executed by this
- * statement object.
- *
- * @return int The number of rows affected.
- */
- public function rowCount()
- {
- if (!$this->_stmt) {
- return false;
- }
- $num = @db2_num_rows($this->_stmt);
- if ($num === false) {
- return 0;
- }
- return $num;
- }
- /**
- * Returns an array containing all of the result set rows.
- *
- * @param int $style OPTIONAL Fetch mode.
- * @param int $col OPTIONAL Column number, if fetch mode is by column.
- * @return array Collection of rows, each in a format by the fetch mode.
- *
- * Behaves like parent, but if limit()
- * is used, the final result removes the extra column
- * 'zend_db_rownum'
- */
- public function fetchAll($style = null, $col = null)
- {
- $data = parent::fetchAll($style, $col);
- $results = array();
- $remove = $this->_adapter->foldCase('ZEND_DB_ROWNUM');
- foreach ($data as $row) {
- if (is_array($row) && array_key_exists($remove, $row)) {
- unset($row[$remove]);
- }
- $results[] = $row;
- }
- return $results;
- }
- }