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Diffstat (limited to 'library/vendor/Zend/Db/Statement/Sqlsrv.php')
| -rw-r--r-- | library/vendor/Zend/Db/Statement/Sqlsrv.php | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/library/vendor/Zend/Db/Statement/Sqlsrv.php b/library/vendor/Zend/Db/Statement/Sqlsrv.php new file mode 100644 index 0000000..84294e8 --- /dev/null +++ b/library/vendor/Zend/Db/Statement/Sqlsrv.php @@ -0,0 +1,430 @@ +<?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + */ + +/** + * @see Zend_Db_Statement + */ + +/** + * Extends for Microsoft SQL Server Driver for PHP + * + * @category Zend + * @package Zend_Db + * @subpackage Statement + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Zend_Db_Statement_Sqlsrv extends Zend_Db_Statement +{ + + /** + * The connection_stmt object original string. + */ + protected $_originalSQL; + + /** + * Column names. + */ + protected $_keys; + + /** + * Query executed + */ + protected $_executed = false; + + /** + * Prepares statement handle + * + * @param string $sql + * @return void + * @throws Zend_Db_Statement_Sqlsrv_Exception + */ + protected function _prepare($sql) + { + $connection = $this->_adapter->getConnection(); + + $this->_stmt = sqlsrv_prepare($connection, $sql); + + if (!$this->_stmt) { + throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors()); + } + + $this->_originalSQL = $sql; + } + + /** + * 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 $options OPTIONAL Other options. + * @return bool + * @throws Zend_Db_Statement_Exception + */ + protected function _bindParam($parameter, &$variable, $type = null, $length = null, $options = null) + { + //Sql server doesn't support bind by name + return true; + } + + /** + * Closes the cursor, allowing the statement to be executed again. + * + * @return bool + */ + public function closeCursor() + { + if (!$this->_stmt) { + return false; + } + + sqlsrv_free_stmt($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 && $this->_executed) { + return sqlsrv_num_fields($this->_stmt); + } + + return 0; + } + + + /** + * 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; + } + + $error = sqlsrv_errors(); + if (!$error) { + return false; + } + + return $error[0]['code']; + } + + + /** + * Retrieves an array of error information, if any, associated with the + * last operation on the statement handle. + * + * @return array + */ + public function errorInfo() + { + if (!$this->_stmt) { + return false; + } + + $error = sqlsrv_errors(); + if (!$error) { + return false; + } + + return array( + $error[0]['code'], + $error[0]['message'], + ); + } + + + /** + * Executes a prepared statement. + * + * @param array $params OPTIONAL Values to bind to parameter placeholders. + * @return bool + * @throws Zend_Db_Statement_Exception + */ + public function _execute(array $params = null) + { + $connection = $this->_adapter->getConnection(); + if (!$this->_stmt) { + return false; + } + + if ($params !== null) { + if (!is_array($params)) { + $params = array($params); + } + $error = false; + + // make all params passed by reference + $params_ = array(); + $temp = array(); + $i = 1; + foreach ($params as $param) { + $temp[$i] = $param; + $params_[] = &$temp[$i]; + $i++; + } + $params = $params_; + } + + $this->_stmt = sqlsrv_query($connection, $this->_originalSQL, $params); + + if (!$this->_stmt) { + throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors()); + } + + $this->_executed = true; + + return (!$this->_stmt); + } + + /** + * 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 $offset OPTIONAL Number for absolute or relative cursors. + * @return mixed Array, object, or scalar depending on fetch mode. + * @throws Zend_Db_Statement_Exception + */ + public function fetch($style = null, $cursor = null, $offset = null) + { + if (!$this->_stmt) { + return false; + } + + if (null === $style) { + $style = $this->_fetchMode; + } + + $values = sqlsrv_fetch_array($this->_stmt, SQLSRV_FETCH_ASSOC); + + if (!$values && (null !== $error = sqlsrv_errors())) { + throw new Zend_Db_Statement_Sqlsrv_Exception($error); + } + + if (null === $values) { + return null; + } + + if (!$this->_keys) { + foreach ($values as $key => $value) { + $this->_keys[] = $this->_adapter->foldCase($key); + } + } + + $values = array_values($values); + + $row = false; + switch ($style) { + case Zend_Db::FETCH_NUM: + $row = $values; + break; + case Zend_Db::FETCH_ASSOC: + $row = array_combine($this->_keys, $values); + break; + case Zend_Db::FETCH_BOTH: + $assoc = array_combine($this->_keys, $values); + $row = array_merge($values, $assoc); + break; + case Zend_Db::FETCH_OBJ: + $row = (object) array_combine($this->_keys, $values); + break; + case Zend_Db::FETCH_BOUND: + $assoc = array_combine($this->_keys, $values); + $row = array_merge($values, $assoc); + $row = $this->_fetchBound($row); + break; + default: + throw new Zend_Db_Statement_Sqlsrv_Exception("Invalid fetch mode '$style' specified"); + break; + } + + return $row; + } + + /** + * Returns a single column from the next row of a result set. + * + * @param int $col OPTIONAL Position of the column to fetch. + * @return string + * @throws Zend_Db_Statement_Exception + */ + public function fetchColumn($col = 0) + { + if (!$this->_stmt) { + return false; + } + + if (!sqlsrv_fetch($this->_stmt)) { + if (null !== $error = sqlsrv_errors()) { + throw new Zend_Db_Statement_Sqlsrv_Exception($error); + } + + // If no error, there is simply no record + return false; + } + + $data = sqlsrv_get_field($this->_stmt, $col); //0-based + if ($data === false) { + throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors()); + } + + return $data; + } + + /** + * Fetches the next row and returns it as an object. + * + * @param string $class OPTIONAL Name of the class to create. + * @param array $config OPTIONAL Constructor arguments for the class. + * @return mixed One object instance of the specified class. + * @throws Zend_Db_Statement_Exception + */ + public function fetchObject($class = 'stdClass', array $config = array()) + { + if (!$this->_stmt) { + return false; + } + + $obj = sqlsrv_fetch_object($this->_stmt); + + if ($error = sqlsrv_errors()) { + throw new Zend_Db_Statement_Sqlsrv_Exception($error); + } + + /* @todo XXX handle parameters */ + + if (null === $obj) { + return false; + } + + return $obj; + } + + /** + * Returns metadata for a column in a result set. + * + * @param int $column + * @return mixed + * @throws Zend_Db_Statement_Sqlsrv_Exception + */ + public function getColumnMeta($column) + { + $fields = sqlsrv_field_metadata($this->_stmt); + + if (!$fields) { + throw new Zend_Db_Statement_Sqlsrv_Exception('Column metadata can not be fetched'); + } + + if (!isset($fields[$column])) { + throw new Zend_Db_Statement_Sqlsrv_Exception('Column index does not exist in statement'); + } + + return $fields[$column]; + } + + /** + * 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 Zend_Db_Statement_Exception + */ + public function nextRowset() + { + if (sqlsrv_next_result($this->_stmt) === false) { + throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors()); + } + + // reset column keys + $this->_keys = null; + + return true; + } + + /** + * Returns the number of rows affected by the execution of the + * last INSERT, DELETE, or UPDATE statement executed by this + * statement object. + * + * @return int The number of rows affected. + * @throws Zend_Db_Statement_Exception + */ + public function rowCount() + { + if (!$this->_stmt) { + return false; + } + + if (!$this->_executed) { + return 0; + } + + $num_rows = sqlsrv_rows_affected($this->_stmt); + + // Strict check is necessary; 0 is a valid return value + if ($num_rows === false) { + throw new Zend_Db_Statement_Sqlsrv_Exception(sqlsrv_errors()); + } + + return $num_rows; + } + + /** + * 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; + } +} |