- removed old schema directory

- some cleanups

5 files changed, 0 insertions, 781 deletions

diff --git a/framework/Db/schema/mssql/TMssqlColumnSchema.php b/framework/Db/schema/mssql/TMssqlColumnSchema.php
deleted file mode 100755
index 32498e85..00000000
--- a/framework/Db/schema/mssql/TMssqlColumnSchema.php
+++ /dev/null
@@ -1,57 +0,0 @@
-<?php
-/**
- * TMssqlColumnSchema class file.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2009 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-prado::using('System.db.schema.TDbColumnSchema');
-
-/**
- * TMssqlColumnSchema class describes the column meta data of a MSSQL table.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @version $Id$
- * @package system.db.schema.mssql
- * @since 1.0.4
- */
-class TMssqlColumnSchema extends TDbColumnSchema
-{
-	/**
-	 * Extracts the PHP type from DB type.
-	 * @param string DB type
-	 */
-	protected function extractType($dbType)
-	{
-		if(strpos($dbType,'bigint')!==false || strpos($dbType,'float')!==false || strpos($dbType,'real')!==false)
-			$this->type='double';
-		else if(strpos($dbType,'int')!==false || strpos($dbType,'smallint')!==false || strpos($dbType,'tinyint'))
-			$this->type='integer';
-		else if(strpos($dbType,'bit')!==false)
-			$this->type='boolean';
-		else
-			$this->type='string';
-	}
-
-	protected function extractDefault($defaultValue)
-	{
-		if($this->dbType==='timestamp' )
-			$this->defaultValue=null;
-		else
-			parent::extractDefault(str_replace(array('(',')',"'"), '', $defaultValue));
-	}
-
-	/**
-	 * Extracts size, precision and scale information from column's DB type.
-	 * We do nothing here, since sizes and precisions have been computed before.
-	 * @param string the column's DB type
-	 */
-	protected function extractLimit($dbType)
-	{
-	}
-}
diff --git a/framework/Db/schema/mssql/TMssqlCommandBuilder.php b/framework/Db/schema/mssql/TMssqlCommandBuilder.php
deleted file mode 100755
index f3c68436..00000000
--- a/framework/Db/schema/mssql/TMssqlCommandBuilder.php
+++ /dev/null
@@ -1,303 +0,0 @@
-<?php
-/**
- * CMsCommandBuilder class file.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2009 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-prado::using ('System.db.schame.TDbCommandBuilder');
-
-/**
- * TMssqlCommandBuilder provides basic methods to create query commands for tables for Mssql Servers.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
- * @version $Id$
- * @package system.db.schema.mssql
- * @since 1.0.4
- */
-class TMssqlCommandBuilder extends TDbCommandBuilder
-{
-   	/**
-	 * Returns the last insertion ID for the specified table.
-	 * Override parent implemantation since PDO mssql driver does not provide this method
-	 * @param TDbTableSchema the table metadata
-	 * @return mixed last insertion id. Null is returned if no sequence name.
-	 */
-	public function getLastInsertID($table)
-	{
-		if($table->sequenceName!==null)
-			return $this->getDbConnection()->createCommand('SELECT SCOPE_IDENTITY()')->queryScalar();
-		else
-			return null;
-	}
-
-	/**
-	 * Creates a COUNT(*) command for a single table.
-	 * Override parent implementation to remove the order clause of criteria if it exists
-	 * @param TDbTableSchema the table metadata
-	 * @param TDbCriteria the query criteria
-	 * @return TDbCommand query command.
-	 */
-	public function createCountCommand($table,$criteria)
-	{
-		$criteria->order='';
-		return parent::createCountCommand($table, $criteria);
-	}
-
-	/**
-	 * Creates a SELECT command for a single table.
-	 * Override parent implementation to check if an orderby clause if specified when querying with an offset
-	 * @param TDbTableSchema the table metadata
-	 * @param TDbCriteria the query criteria
-	 * @return TDbCommand query command.
-	 */
-	public function createFindCommand($table,$criteria)
-	{
-		$criteria=$this->checkCriteria($table,$criteria);
-		return parent::createFindCommand($table,$criteria);
-
-	}
-
-	/**
-	 * Creates an UPDATE command.
-	 * Override parent implementation because mssql don't want to update an identity column
-	 * @param TDbTableSchema the table metadata
-	 * @param array list of columns to be updated (name=>value)
-	 * @param TDbCriteria the query criteria
-	 * @return TDbCommand update command.
-	 */
-	public function createUpdateCommand($table,$data,$criteria)
-	{
-		$criteria=$this->checkCriteria($table,$criteria);
-		$fields=array();
-		$values=array();
-		$bindByPosition=isset($criteria->params[0]);
-		foreach($data as $name=>$value)
-		{
-			if(($column=$table->getColumn($name))!==null)
-			{
-				if ($table->sequenceName !== null && $column->isPrimaryKey === true) continue;
-				if($value instanceof TDbExpression)
-					$fields[]=$column->rawName.'='.(string)$value;
-				else if($bindByPosition)
-				{
-					$fields[]=$column->rawName.'=?';
-					$values[]=$column->typecast($value);
-				}
-				else
-				{
-					$fields[]=$column->rawName.'=:'.$name;
-					$values[':'.$name]=$column->typecast($value);
-				}
-			}
-		}
-		if($fields===array())
-			throw new TDbException('No columns are being updated for table "{0}".',
-				$table->name);
-		$sql="UPDATE {$table->rawName} SET ".implode(', ',$fields);
-		$sql=$this->applyJoin($sql,$criteria->join);
-		$sql=$this->applyCondition($sql,$criteria->condition);
-		$sql=$this->applyOrder($sql,$criteria->order);
-		$sql=$this->applyLimit($sql,$criteria->limit,$criteria->offset);
-
-		$command=$this->getDbConnection()->createCommand($sql);
-		$this->bindValues($command,array_merge($values,$criteria->params));
-
-		return $command;
-	}
-
-	/**
-	 * Creates a DELETE command.
-	 * Override parent implementation to check if an orderby clause if specified when querying with an offset
-	 * @param TDbTableSchema the table metadata
-	 * @param TDbCriteria the query criteria
-	 * @return TDbCommand delete command.
-	 */
-	public function createDeleteCommand($table,$criteria)
-	{
-		$criteria=$this->checkCriteria($table, $criteria);
-		return parent::createDeleteCommand($table, $criteria);
-	}
-
-	/**
-	 * Creates an UPDATE command that increments/decrements certain columns.
-	 * Override parent implementation to check if an orderby clause if specified when querying with an offset
-	 * @param TDbTableSchema the table metadata
-	 * @param TDbCriteria the query criteria
-	 * @param array counters to be updated (counter increments/decrements indexed by column names.)
-	 * @return TDbCommand the created command
-	 * @throws CException if no counter is specified
-	 */
-	public function createUpdateCounterCommand($table,$counters,$criteria)
-	{
-		$criteria=$this->checkCriteria($table, $criteria);
-		return parent::createUpdateCounterCommand($table, $counters, $criteria);
-	}
-
-	/**
-	 * This is a port from Prado Framework.
-	 *
-	 * Overrides parent implementation. Alters the sql to apply $limit and $offset.
-	 * The idea for limit with offset is done by modifying the sql on the fly
-	 * with numerous assumptions on the structure of the sql string.
-	 * The modification is done with reference to the notes from
-	 * http://troels.arvin.dk/db/rdbms/#select-limit-offset
-	 *
-	 * <code>
-	 * SELECT * FROM (
-	 *  SELECT TOP n * FROM (
-	 *    SELECT TOP z columns      -- (z=n+skip)
-	 *    FROM tablename
-	 *    ORDER BY key ASC
-	 *  ) AS FOO ORDER BY key DESC -- ('FOO' may be anything)
-	 * ) AS BAR ORDER BY key ASC    -- ('BAR' may be anything)
-	 * </code>
-	 *
-	 * <b>Regular expressions are used to alter the SQL query. The resulting SQL query
-	 * may be malformed for complex queries.</b> The following restrictions apply
-	 *
-	 * <ul>
-	 *   <li>
-	 * In particular, <b>commas</b> should <b>NOT</b>
-	 * be used as part of the ordering expression or identifier. Commas must only be
-	 * used for separating the ordering clauses.
-	 *  </li>
-	 *  <li>
-	 * In the ORDER BY clause, the column name should NOT be be qualified
-	 * with a table name or view name. Alias the column names or use column index.
-	 * </li>
-	 * <li>
-	 * No clauses should follow the ORDER BY clause, e.g. no COMPUTE or FOR clauses.
-	 * </li>
-	 *
-	 * @param string SQL query string.
-	 * @param integer maximum number of rows, -1 to ignore limit.
-	 * @param integer row offset, -1 to ignore offset.
-	 * @return string SQL with limit and offset.
-	 *
-	 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
-	 */
-	public function applyLimit($sql, $limit, $offset)
-	{
-		$limit = $limit!==null ? intval($limit) : -1;
-		$offset = $offset!==null ? intval($offset) : -1;
-		if ($limit > 0 && $offset <= 0) //just limit
-			$sql = preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i',"\\1SELECT\\2 TOP $limit", $sql);
-		else if($limit > 0 && $offset > 0)
-			$sql = $this->rewriteLimitOffsetSql($sql, $limit,$offset);
-		return $sql;
-	}
-
-	/**
-	 * Rewrite sql to apply $limit > and $offset > 0 for MSSQL database.
-	 * See http://troels.arvin.dk/db/rdbms/#select-limit-offset
-	 * @param string sql query
-	 * @param integer $limit > 0
-	 * @param integer $offset > 0
-	 * @return sql modified sql query applied with limit and offset.
-	 *
-	 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
-	 */
-	protected function rewriteLimitOffsetSql($sql, $limit, $offset)
-	{
-		$fetch = $limit+$offset;
-		$sql = preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i',"\\1SELECT\\2 TOP $fetch", $sql);
-		$ordering = $this->findOrdering($sql);
-
-		$orginalOrdering = $this->joinOrdering($ordering);
-		$reverseOrdering = $this->joinOrdering($this->reverseDirection($ordering));
-		$sql = "SELECT * FROM (SELECT TOP {$limit} * FROM ($sql) as [__inner top table__] {$reverseOrdering}) as [__outer top table__] {$orginalOrdering}";
-		return $sql;
-	}
-
-	/**
-	 * Base on simplified syntax http://msdn2.microsoft.com/en-us/library/aa259187(SQL.80).aspx
-	 *
-	 * @param string $sql
-	 * @return array ordering expression as key and ordering direction as value
-	 *
-	 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
-	 */
-	protected function findOrdering($sql)
-	{
-		if(!preg_match('/ORDER BY/i', $sql))
-			return array();
-		$matches=array();
-		$ordering=array();
-		preg_match_all('/(ORDER BY)[\s"\[](.*)(ASC|DESC)?(?:[\s"\[]|$|COMPUTE|FOR)/i', $sql, $matches);
-		if(count($matches)>1 && count($matches[2]) > 0)
-		{
-			$parts = explode(',', $matches[2][0]);
-			foreach($parts as $part)
-			{
-				$subs=array();
-				if(preg_match_all('/(.*)[\s"\]](ASC|DESC)$/i', trim($part), $subs))
-				{
-					if(count($subs) > 1 && count($subs[2]) > 0)
-					{
-						$ordering[$subs[1][0]] = $subs[2][0];
-					}
-					//else what?
-				}
-				else
-					$ordering[trim($part)] = 'ASC';
-			}
-		}
-		return $ordering;
-	}
-
-	/**
-	 * @param array ordering obtained from findOrdering()
-	 * @return string concat the orderings
-	 *
-	 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
-	 */
-	protected function joinOrdering($orders)
-	{
-		if(count($orders)>0)
-		{
-			$str=array();
-			foreach($orders as $column => $direction)
-				$str[] = $column.' '.$direction;
-			return 'ORDER BY '.implode(', ', $str);
-		}
-	}
-
-	/**
-	 * @param array original ordering
-	 * @return array ordering with reversed direction.
-	 *
-	 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
-	 */
-	protected function reverseDirection($orders)
-	{
-		foreach($orders as $column => $direction)
-			$orders[$column] = strtolower(trim($direction))==='desc' ? 'ASC' : 'DESC';
-		return $orders;
-	}
-
-
-	/**
-	 * Checks if the criteria has an order by clause when using offset/limit.
-	 * Override parent implementation to check if an orderby clause if specified when querying with an offset
-	 * If not, order it by pk.
-	 * @param TMssqlTableSchema table schema
-	 * @param TDbCriteria criteria
-	 * @return TDbCrireria the modified criteria
-	 */
-	protected function checkCriteria($table, $criteria)
-	{
-		if ($criteria->offset > 0 && $criteria->order==='')
-		{
-			$criteria->order=is_array($table->primaryKey)?implode(',',$table->primaryKey):$table->primaryKey;
-		}
-		return $criteria;
-	}
-}
diff --git a/framework/Db/schema/mssql/TMssqlPdoAdapter.php b/framework/Db/schema/mssql/TMssqlPdoAdapter.php
deleted file mode 100755
index 0f9a4288..00000000
--- a/framework/Db/schema/mssql/TMssqlPdoAdapter.php
+++ /dev/null
@@ -1,74 +0,0 @@
-<?php
-/**
- * TMssqlPdo class file
- *
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2009 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-/**
- * This is an extension of default PDO class for mssql driver only
- * It provides some missing functionalities of pdo driver
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @version $Id$
- * @package system.db.schema.mssql
- * @since 1.0.4
- */
-class TMssqlPdoAdapter extends PDO
-{
-	/**
-	 * Get the last inserted id value
-	 * MSSQL doesn't support sequence, so, argument is ignored
-	 *
-	 * @param string sequence name. Defaults to null
-	 * @return int last inserted id
-	 */
-	public function lastInsertId ($sequence=NULL)
-	{
-		return $this->query('SELECT SCOPE_IDENTITY()')->fetchColumn();
-	}
-
-	/**
-	 * Begin a transaction
-	 *
-	 * Is is necessary to override pdo's method, as mssql pdo drivers
-	 * does not support transaction
-	 *
-	 * @return boolean
-	 */
-	public function beginTransaction ()
-	{
-		$this->exec('BEGIN TRANSACTION');
-		return true;
-	}
-
-	/**
-	 * Commit a transaction
-	 *
-	 * Is is necessary to override pdo's method, as mssql pdo drivers
-	 * does not support transaction
-	 *
-	 * @return boolean
-	 */
-	public function commit ()
-	{
-		$this->exec('COMMIT TRANSACTION');
-		return true;
-	}
-
-	/**
-	 * Rollback a transaction
-	 *
-	 * Is is necessary to override pdo's method, ac mssql pdo drivers
-	 * does not support transaction
-	 *
-	 * @return boolean
-	 */
-	public function rollBack ()
-	{
-		$this->exec('ROLLBACK TRANSACTION');
-		return true;
-	}
-}
diff --git a/framework/Db/schema/mssql/TMssqlSchema.php b/framework/Db/schema/mssql/TMssqlSchema.php
deleted file mode 100755
index 296439a3..00000000
--- a/framework/Db/schema/mssql/TMssqlSchema.php
+++ /dev/null
@@ -1,312 +0,0 @@
-<?php
-/**
- * TMssqlSchema class file.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2009 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-prado::using('System.db.schema.TDbSchema');
-
-/**
- * TMssqlSchema is the class for retrieving metadata information from a MS SQL Server database.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @version $Id$
- * @package system.db.schema.mssql
- * @since 1.0.4
- */
-class TMssqlSchema extends TDbSchema
-{
-	const DEFAULT_SCHEMA='dbo';
-
-
-	/**
-	 * Quotes a table name for use in a query.
-	 * @param string table name
-	 * @return string the properly quoted table name
-	 */
-	public function quoteTableName($name)
-	{
-		if (strpos($name,'.')===false)
-			return '['.$name.']';
-		$names=explode('.',$name);
-		foreach ($names as &$n)
-			$n = '['.$n.']';
-		return implode('.',$names);
-	}
-
-	/**
-	 * Quotes a column name for use in a query.
-	 * @param string column name
-	 * @return string the properly quoted column name
-	 */
-	public function quoteColumnName($name)
-	{
-		return '['.$name.']';
-	}
-
-	/**
-	 * Compares two table names.
-	 * The table names can be either quoted or unquoted. This method
-	 * will consider both cases.
-	 * @param string table name 1
-	 * @param string table name 2
-	 * @return boolean whether the two table names refer to the same table.
-	 */
-	public function compareTableNames($name1,$name2)
-	{
-		$name1=str_replace(array('[',']'),'',$name1);
-		$name1=str_replace(array('[',']'),'',$name2);
-		return parent::compareTableNames(strtolower($name1),strtolower($name2));
-	}
-
-	/**
-	 * Creates a table instance representing the metadata for the named table.
-	 * @return CMysqlTableSchema driver dependent table metadata. Null if the table does not exist.
-	 */
-	protected function createTable($name)
-	{
-		$table=new TMssqlTableSchema;
-		$this->resolveTableNames($table,$name);
-		//if (!in_array($table->name, $this->tableNames)) return null;
-		$table->primaryKey=$this->findPrimaryKey($table);
-		$table->foreignKeys=$this->findForeignKeys($table);
-		if($this->findColumns($table))
-		{
-			return $table;
-		}
-		else
-			return null;
-	}
-
-	/**
-	 * Generates various kinds of table names.
-	 * @param CMysqlTableSchema the table instance
-	 * @param string the unquoted table name
-	 */
-	protected function resolveTableNames($table,$name)
-	{
-		$parts=explode('.',str_replace(array('[',']'),'',$name));
-		if(($c=count($parts))==3)
-		{
-			// Catalog name, schema name and table name provided
-			$table->catalogName=$parts[0];
-			$table->schemaName=$parts[1];
-			$table->name=$parts[2];
-			$table->rawName=$this->quoteTableName($table->catalogName).'.'.$this->quoteTableName($table->schemaName).'.'.$this->quoteTableName($table->name);
-		}
-		elseif ($c==2)
-		{
-			// Only schema name and table name provided
-			$table->name=$parts[1];
-			$table->schemaName=$parts[0];
-			$table->rawName=$this->quoteTableName($table->schemaName).'.'.$this->quoteTableName($table->name);
-		}
-		else
-		{
-			// Only the name given, we need to get at least the schema name
-			//if (empty($this->_schemaNames)) $this->findTableNames();
-			$table->name=$parts[0];
-			$table->schemaName=self::DEFAULT_SCHEMA;
-			$table->rawName=$this->quoteTableName($table->schemaName).'.'.$this->quoteTableName($table->name);
-		}
-	}
-
-	/**
-	 * Gets the primary key column(s) details for the given table.
-	 * @param TMssqlTableSchema table
-	 * @return mixed primary keys (null if no pk, string if only 1 column pk, or array if composite pk)
-	 */
-	protected function findPrimaryKey($table)
-	{
-		$kcu='INFORMATION_SCHEMA.KEY_COLUMN_USAGE';
-		$tc='INFORMATION_SCHEMA.TABLE_CONSTRAINTS';
-		if (isset($table->catalogName))
-		{
-			$kcu=$table->catalogName.'.'.$kcu;
-			$tc=$table->catalogName.'.'.$tc;
-		}
-
-		$sql = <<<EOD
-		SELECT k.column_name field_name
-			FROM {$this->quoteTableName($kcu)} k
-		    LEFT JOIN {$this->quoteTableName($tc)} c
-		      ON k.table_name = c.table_name
-		     AND k.constraint_name = c.constraint_name
-		   WHERE c.constraint_type ='PRIMARY KEY'
-		   	    AND k.table_name = :table
-				AND k.table_schema = :schema
-EOD;
-		$command = $this->getDbConnection()->createCommand($sql);
-		$command->bindValue(':table', $table->name);
-		$command->bindValue(':schema', $table->schemaName);
-		$primary=$command->queryColumn();
-		switch (count($primary))
-		{
-			case 0: // No primary key on table
-				$primary=null;
-				break;
-			case 1: // Only 1 primary key
-				$primary=$primary[0];
-				break;
-		}
-		return $primary;
-	}
-
-	/**
-	 * Gets foreign relationship constraint keys and table name
-	 * @param TMssqlTableSchema table
-	 * @return array foreign relationship table name and keys.
-	 */
-	protected function findForeignKeys($table)
-	{
-		$rc='INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS';
-		$kcu='INFORMATION_SCHEMA.KEY_COLUMN_USAGE';
-		if (isset($table->catalogName))
-		{
-			$kcu=$table->catalogName.'.'.$kcu;
-			$rc=$table->catalogName.'.'.$rc;
-		}
-
-		//From http://msdn2.microsoft.com/en-us/library/aa175805(SQL.80).aspx
-		$sql = <<<EOD
-		SELECT
-		     KCU1.CONSTRAINT_NAME AS 'FK_CONSTRAINT_NAME'
-		   , KCU1.TABLE_NAME AS 'FK_TABLE_NAME'
-		   , KCU1.COLUMN_NAME AS 'FK_COLUMN_NAME'
-		   , KCU1.ORDINAL_POSITION AS 'FK_ORDINAL_POSITION'
-		   , KCU2.CONSTRAINT_NAME AS 'UQ_CONSTRAINT_NAME'
-		   , KCU2.TABLE_NAME AS 'UQ_TABLE_NAME'
-		   , KCU2.COLUMN_NAME AS 'UQ_COLUMN_NAME'
-		   , KCU2.ORDINAL_POSITION AS 'UQ_ORDINAL_POSITION'
-		FROM {$this->quoteTableName($rc)} RC
-		JOIN {$this->quoteTableName($kcu)} KCU1
-		ON KCU1.CONSTRAINT_CATALOG = RC.CONSTRAINT_CATALOG
-		   AND KCU1.CONSTRAINT_SCHEMA = RC.CONSTRAINT_SCHEMA
-		   AND KCU1.CONSTRAINT_NAME = RC.CONSTRAINT_NAME
-		JOIN {$this->quoteTableName($kcu)} KCU2
-		ON KCU2.CONSTRAINT_CATALOG =
-		RC.UNIQUE_CONSTRAINT_CATALOG
-		   AND KCU2.CONSTRAINT_SCHEMA =
-		RC.UNIQUE_CONSTRAINT_SCHEMA
-		   AND KCU2.CONSTRAINT_NAME =
-		RC.UNIQUE_CONSTRAINT_NAME
-		   AND KCU2.ORDINAL_POSITION = KCU1.ORDINAL_POSITION
-		WHERE KCU1.TABLE_NAME = :table
-EOD;
-		$command = $this->getDbConnection()->createCommand($sql);
-		$command->bindValue(':table', $table->name);
-		$fkeys=array();
-		foreach($command->queryAll() as $info)
-		{
-			$fkeys[$info['FK_COLUMN_NAME']]=array($info['UQ_TABLE_NAME'],$info['UQ_COLUMN_NAME'],);
-
-		}
-		return $fkeys;
-	}
-
-
-	/**
-	 * Collects the table column metadata.
-	 * @param CMysqlTableSchema the table metadata
-	 * @return boolean whether the table exists in the database
-	 */
-	protected function findColumns($table)
-	{
-		$where=array();
-		$where[]="TABLE_NAME='".$table->name."'";
-		if (isset($table->catalogName))
-			$where[]="TABLE_CATALOG='".$table->catalogName."'";
-		if (isset($table->schemaName))
-			$where[]="TABLE_SCHEMA='".$table->schemaName."'";
-		$sql="SELECT *, columnproperty(object_id(table_schema+'.'+table_name), column_name, 'IsIdentity') as IsIdentity ".
-			 "FROM INFORMATION_SCHEMA.COLUMNS WHERE ".join(' AND ',$where);
-		if (($columns=$this->getDbConnection()->createCommand($sql)->queryAll())===array())
-			return false;
-
-		foreach($columns as $column)
-		{
-			$c=$this->createColumn($column);
-			if (is_array($table->primaryKey))
-				$c->isPrimaryKey=in_array($c->name, $table->primaryKey);
-			else
-				$c->isPrimaryKey=strcasecmp($c->name,$table->primaryKey)===0;
-
-			$c->isForeignKey=isset($table->foreignKeys[$c->name]);
-			$table->columns[$c->name]=$c;
-			if ($column['IsIdentity']==1 && $table->sequenceName===null)
-				$table->sequenceName='';
-
-		}
-		return true;
-	}
-
-	/**
-	 * Creates a table column.
-	 * @param array column metadata
-	 * @return TDbColumnSchema normalized column metadata
-	 */
-	protected function createColumn($column)
-	{
-		$c=new TMssqlColumnSchema;
-		$c->name=$column['COLUMN_NAME'];
-		$c->rawName=$this->quoteColumnName($c->name);
-		$c->allowNull=$column['IS_NULLABLE']=='YES';
-		if ($column['NUMERIC_PRECISION_RADIX']!==null)
-		{
-			// We have a numeric datatype
-			$c->size=$c->precision=$column['NUMERIC_PRECISION']!==null?(int)$column['NUMERIC_PRECISION']:null;
-			$c->scale=$column['NUMERIC_SCALE']!==null?(int)$column['NUMERIC_SCALE']:null;
-		}
-		elseif ($column['DATA_TYPE']=='image' || $column['DATA_TYPE']=='text')
-			$c->size=$c->precision=null;
-		else
-			$c->size=$c->precision=($column['CHARACTER_MAXIMUM_LENGTH']!== null)?(int)$column['CHARACTER_MAXIMUM_LENGTH']:null;
-
-		$c->init($column['DATA_TYPE'],$column['COLUMN_DEFAULT']);
-		return $c;
-	}
-
-	/**
-	 * Returns all table names in the database.
-	 * @return array all table names in the database.
-	 * @since 1.0.4
-	 */
-	protected function findTableNames($schema='')
-	{
-		if($schema==='')
-			$schema=self::DEFAULT_SCHEMA;
-		$sql=<<<EOD
-SELECT TABLE_NAME, TABLE_SCHEMA FROM [INFORMATION_SCHEMA].[TABLES]
-WHERE TABLE_TYPE='BASE TABLE' AND TABLE_SCHEMA=:schema
-EOD;
-		$command=$this->getDbConnection()->createCommand($sql);
-		$command->bindParam(":schema", $schema);
-		$rows=$command->queryAll();
-		$names=array();
-		foreach ($rows as $row)
-		{
-			if ($schema == self::DEFAULT_SCHEMA)
-				$names[]=$row['TABLE_NAME'];
-			else
-				$names[]=$schema.'.'.$row['TABLE_SCHEMA'].'.'.$row['TABLE_NAME'];
-		}
-
-		return $names;
-	}
-
-	/**
-	 * Creates a command builder for the database.
-	 * This method overrides parent implementation in order to create a MSSQL specific command builder
-	 * @return TDbCommandBuilder command builder instance
-	 */
-	protected function createCommandBuilder()
-	{
-		return new TMssqlCommandBuilder($this);
-	}
-}
diff --git a/framework/Db/schema/mssql/TMssqlTableSchema.php b/framework/Db/schema/mssql/TMssqlTableSchema.php
deleted file mode 100755
index 1be690d9..00000000
--- a/framework/Db/schema/mssql/TMssqlTableSchema.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-/**
- * TMssqlTableSchema class file.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2009 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-prado::using('System.db.TDbTableSchema');
-
-/**
- * TMssqlTableSchema represents the metadata for a MSSQL table.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @author Christophe Boulain <Christophe.Boulain@gmail.com>
- * @version $Id$
- * @package system.db.schema.mssql
- * @since 1.0.4
- */
-class TMssqlTableSchema extends TDbTableSchema
-{
-	/**
-	 * @var string name of the catalog (database) that this table belongs to.
-	 * Defaults to null, meaning no schema (or the current database).
-	 */
-	public $catalogName;
-	/**
-	 * @var string name of the schema that this table belongs to.
-	 * Defaults to null, meaning no schema (or the current database owner).
-	 */
-	public $schemaName;
-}