--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Db/Adapter/Pdo/Mssql.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,423 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Mssql.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Db_Adapter_Pdo_Abstract
+ */
+require_once 'Zend/Db/Adapter/Pdo/Abstract.php';
+
+
+/**
+ * Class for connecting to Microsoft SQL Server databases and performing common operations.
+ *
+ * @category Zend
+ * @package Zend_Db
+ * @subpackage Adapter
+ * @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 Zend_Db_Adapter_Pdo_Mssql extends Zend_Db_Adapter_Pdo_Abstract
+{
+ /**
+ * PDO type.
+ *
+ * @var string
+ */
+ protected $_pdoType = 'mssql';
+
+ /**
+ * 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,
+ 'SMALLINT' => Zend_Db::INT_TYPE,
+ 'TINYINT' => Zend_Db::INT_TYPE,
+ 'BIGINT' => Zend_Db::BIGINT_TYPE,
+ 'DECIMAL' => Zend_Db::FLOAT_TYPE,
+ 'FLOAT' => Zend_Db::FLOAT_TYPE,
+ 'MONEY' => Zend_Db::FLOAT_TYPE,
+ 'NUMERIC' => Zend_Db::FLOAT_TYPE,
+ 'REAL' => Zend_Db::FLOAT_TYPE,
+ 'SMALLMONEY' => Zend_Db::FLOAT_TYPE
+ );
+
+ /**
+ * Creates a PDO DSN for the adapter from $this->_config settings.
+ *
+ * @return string
+ */
+ protected function _dsn()
+ {
+ // baseline of DSN parts
+ $dsn = $this->_config;
+
+ // don't pass the username and password in the DSN
+ unset($dsn['username']);
+ unset($dsn['password']);
+ unset($dsn['options']);
+ unset($dsn['persistent']);
+ unset($dsn['driver_options']);
+
+ if (isset($dsn['port'])) {
+ $seperator = ':';
+ if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+ $seperator = ',';
+ }
+ $dsn['host'] .= $seperator . $dsn['port'];
+ unset($dsn['port']);
+ }
+
+ // this driver supports multiple DSN prefixes
+ // @see http://www.php.net/manual/en/ref.pdo-dblib.connection.php
+ if (isset($dsn['pdoType'])) {
+ switch (strtolower($dsn['pdoType'])) {
+ case 'freetds':
+ case 'sybase':
+ $this->_pdoType = 'sybase';
+ break;
+ case 'mssql':
+ $this->_pdoType = 'mssql';
+ break;
+ case 'dblib':
+ default:
+ $this->_pdoType = 'dblib';
+ break;
+ }
+ unset($dsn['pdoType']);
+ }
+
+ // use all remaining parts in the DSN
+ foreach ($dsn as $key => $val) {
+ $dsn[$key] = "$key=$val";
+ }
+
+ $dsn = $this->_pdoType . ':' . implode(';', $dsn);
+ return $dsn;
+ }
+
+ /**
+ * @return void
+ */
+ protected function _connect()
+ {
+ if ($this->_connection) {
+ return;
+ }
+ parent::_connect();
+ $this->_connection->exec('SET QUOTED_IDENTIFIER ON');
+ }
+
+ /**
+ * Begin a transaction.
+ *
+ * It is necessary to override the abstract PDO transaction functions here, as
+ * the PDO driver for MSSQL does not support transactions.
+ */
+ protected function _beginTransaction()
+ {
+ $this->_connect();
+ $this->_connection->exec('BEGIN TRANSACTION');
+ return true;
+ }
+
+ /**
+ * Commit a transaction.
+ *
+ * It is necessary to override the abstract PDO transaction functions here, as
+ * the PDO driver for MSSQL does not support transactions.
+ */
+ protected function _commit()
+ {
+ $this->_connect();
+ $this->_connection->exec('COMMIT TRANSACTION');
+ return true;
+ }
+
+ /**
+ * Roll-back a transaction.
+ *
+ * It is necessary to override the abstract PDO transaction functions here, as
+ * the PDO driver for MSSQL does not support transactions.
+ */
+ protected function _rollBack() {
+ $this->_connect();
+ $this->_connection->exec('ROLLBACK TRANSACTION');
+ return true;
+ }
+
+ /**
+ * Returns a list of the tables in the database.
+ *
+ * @return array
+ */
+ public function listTables()
+ {
+ $sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
+ return $this->fetchCol($sql);
+ }
+
+ /**
+ * 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
+ * PRIMARY_AUTO => integer; position of auto-generated column in primary key
+ *
+ * @todo Discover column primary key position.
+ * @todo Discover integer unsigned property.
+ *
+ * @param string $tableName
+ * @param string $schemaName OPTIONAL
+ * @return array
+ */
+ public function describeTable($tableName, $schemaName = null)
+ {
+ if ($schemaName != null) {
+ if (strpos($schemaName, '.') !== false) {
+ $result = explode('.', $schemaName);
+ $schemaName = $result[1];
+ }
+ }
+ /**
+ * Discover metadata information about this table.
+ */
+ $sql = "exec sp_columns @table_name = " . $this->quoteIdentifier($tableName, true);
+ if ($schemaName != null) {
+ $sql .= ", @table_owner = " . $this->quoteIdentifier($schemaName, true);
+ }
+
+ $stmt = $this->query($sql);
+ $result = $stmt->fetchAll(Zend_Db::FETCH_NUM);
+
+ $table_name = 2;
+ $column_name = 3;
+ $type_name = 5;
+ $precision = 6;
+ $length = 7;
+ $scale = 8;
+ $nullable = 10;
+ $column_def = 12;
+ $column_position = 16;
+
+ /**
+ * Discover primary key column(s) for this table.
+ */
+ $sql = "exec sp_pkeys @table_name = " . $this->quoteIdentifier($tableName, true);
+ if ($schemaName != null) {
+ $sql .= ", @table_owner = " . $this->quoteIdentifier($schemaName, true);
+ }
+
+ $stmt = $this->query($sql);
+ $primaryKeysResult = $stmt->fetchAll(Zend_Db::FETCH_NUM);
+ $primaryKeyColumn = array();
+ $pkey_column_name = 3;
+ $pkey_key_seq = 4;
+ foreach ($primaryKeysResult as $pkeysRow) {
+ $primaryKeyColumn[$pkeysRow[$pkey_column_name]] = $pkeysRow[$pkey_key_seq];
+ }
+
+ $desc = array();
+ $p = 1;
+ foreach ($result as $key => $row) {
+ $identity = false;
+ $words = explode(' ', $row[$type_name], 2);
+ if (isset($words[0])) {
+ $type = $words[0];
+ if (isset($words[1])) {
+ $identity = (bool) preg_match('/identity/', $words[1]);
+ }
+ }
+
+ $isPrimary = array_key_exists($row[$column_name], $primaryKeyColumn);
+ if ($isPrimary) {
+ $primaryPosition = $primaryKeyColumn[$row[$column_name]];
+ } else {
+ $primaryPosition = null;
+ }
+
+ $desc[$this->foldCase($row[$column_name])] = array(
+ 'SCHEMA_NAME' => null, // @todo
+ 'TABLE_NAME' => $this->foldCase($row[$table_name]),
+ 'COLUMN_NAME' => $this->foldCase($row[$column_name]),
+ 'COLUMN_POSITION' => (int) $row[$column_position],
+ 'DATA_TYPE' => $type,
+ 'DEFAULT' => $row[$column_def],
+ 'NULLABLE' => (bool) $row[$nullable],
+ 'LENGTH' => $row[$length],
+ 'SCALE' => $row[$scale],
+ 'PRECISION' => $row[$precision],
+ 'UNSIGNED' => null, // @todo
+ 'PRIMARY' => $isPrimary,
+ 'PRIMARY_POSITION' => $primaryPosition,
+ 'IDENTITY' => $identity
+ );
+ }
+ return $desc;
+ }
+
+ /**
+ * Adds an adapter-specific LIMIT clause to the SELECT statement.
+ *
+ * @link http://lists.bestpractical.com/pipermail/rt-devel/2005-June/007339.html
+ *
+ * @param string $sql
+ * @param integer $count
+ * @param integer $offset OPTIONAL
+ * @throws Zend_Db_Adapter_Exception
+ * @return string
+ */
+ public function limit($sql, $count, $offset = 0)
+ {
+ $count = intval($count);
+ if ($count <= 0) {
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception("LIMIT argument count=$count is not valid");
+ }
+
+ $offset = intval($offset);
+ if ($offset < 0) {
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception("LIMIT argument offset=$offset is not valid");
+ }
+
+ $sql = preg_replace(
+ '/^SELECT\s+(DISTINCT\s)?/i',
+ 'SELECT $1TOP ' . ($count+$offset) . ' ',
+ $sql
+ );
+
+ if ($offset > 0) {
+ $orderby = stristr($sql, 'ORDER BY');
+
+ if ($orderby !== false) {
+ $orderParts = explode(',', substr($orderby, 8));
+ $pregReplaceCount = null;
+ $orderbyInverseParts = array();
+ foreach ($orderParts as $orderPart) {
+ $orderPart = rtrim($orderPart);
+ $inv = preg_replace('/\s+desc$/i', ' ASC', $orderPart, 1, $pregReplaceCount);
+ if ($pregReplaceCount) {
+ $orderbyInverseParts[] = $inv;
+ continue;
+ }
+ $inv = preg_replace('/\s+asc$/i', ' DESC', $orderPart, 1, $pregReplaceCount);
+ if ($pregReplaceCount) {
+ $orderbyInverseParts[] = $inv;
+ continue;
+ } else {
+ $orderbyInverseParts[] = $orderPart . ' DESC';
+ }
+ }
+
+ $orderbyInverse = 'ORDER BY ' . implode(', ', $orderbyInverseParts);
+ }
+
+
+
+
+ $sql = 'SELECT * FROM (SELECT TOP ' . $count . ' * FROM (' . $sql . ') AS inner_tbl';
+ if ($orderby !== false) {
+ $sql .= ' ' . $orderbyInverse . ' ';
+ }
+ $sql .= ') AS outer_tbl';
+ if ($orderby !== false) {
+ $sql .= ' ' . $orderby;
+ }
+ }
+
+ return $sql;
+ }
+
+ /**
+ * 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.
+ *
+ * Microsoft SQL Server does not support sequences, so the arguments to
+ * this method are ignored.
+ *
+ * @param string $tableName OPTIONAL Name of table.
+ * @param string $primaryKey OPTIONAL Name of primary key column.
+ * @return string
+ * @throws Zend_Db_Adapter_Exception
+ */
+ public function lastInsertId($tableName = null, $primaryKey = null)
+ {
+ $sql = 'SELECT SCOPE_IDENTITY()';
+ return (int)$this->fetchOne($sql);
+ }
+
+ /**
+ * Retrieve server version in PHP style
+ * Pdo_Mssql doesn't support getAttribute(PDO::ATTR_SERVER_VERSION)
+ * @return string
+ */
+ public function getServerVersion()
+ {
+ try {
+ $stmt = $this->query("SELECT SERVERPROPERTY('productversion')");
+ $result = $stmt->fetchAll(Zend_Db::FETCH_NUM);
+ if (count($result)) {
+ return $result[0][0];
+ }
+ return null;
+ } catch (PDOException $e) {
+ return null;
+ }
+ }
+}
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