Merge pull request #530 from pradosoft/prado-3.2.43.2.4prado-3.2

Backports for Prado 3.2.4

24 files changed, 165 insertions, 96 deletions

diff --git a/framework/Data/Common/Mssql/TMssqlCommandBuilder.php b/framework/Data/Common/Mssql/TMssqlCommandBuilder.php
index efee34f9..ac718bcb 100644
--- a/framework/Data/Common/Mssql/TMssqlCommandBuilder.php
+++ b/framework/Data/Common/Mssql/TMssqlCommandBuilder.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common
  */
 
@@ -17,7 +16,6 @@ Prado::using('System.Data.Common.TDbCommandBuilder');
  * for MSSQL servers.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common
  * @since 3.1
  */
diff --git a/framework/Data/Common/Mssql/TMssqlMetaData.php b/framework/Data/Common/Mssql/TMssqlMetaData.php
index 3ff7ac7f..21571428 100644
--- a/framework/Data/Common/Mssql/TMssqlMetaData.php
+++ b/framework/Data/Common/Mssql/TMssqlMetaData.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TPgsqlMetaData.php 1866 2007-04-14 05:02:29Z wei $
  * @package System.Data.Common.Mssql
  */
 
@@ -20,12 +19,11 @@ Prado::using('System.Data.Common.Mssql.TMssqlTableInfo');
  * TMssqlMetaData loads MSSQL database table and column information.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TPgsqlMetaData.php 1866 2007-04-14 05:02:29Z wei $
  * @package System.Data.Common.Mssql
  * @since 3.1
  */
 class TMssqlMetaData extends TDbMetaData
-{
+{    
 	/**
 	 * @return string TDbTableInfo class name.
 	 */
@@ -260,5 +258,33 @@ EOD;
 		}
 		return false;
 	}
+        
+        /**
+	 * Returns all table names in the database.
+	 * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
+	 * If not empty, the returned table names will be prefixed with the schema name.
+	 * @return array all table names in the database.
+	 */
+	public function findTableNames($schema='dbo')
+	{
+                $condition="TABLE_TYPE='BASE TABLE'";
+		$sql=<<<EOD
+SELECT TABLE_NAME, TABLE_SCHEMA FROM [INFORMATION_SCHEMA].[TABLES]
+WHERE TABLE_SCHEMA=:schema AND $condition
+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;
+	}
 }
 
diff --git a/framework/Data/Common/Mssql/TMssqlTableColumn.php b/framework/Data/Common/Mssql/TMssqlTableColumn.php
index 7976c28a..e3bd431e 100644
--- a/framework/Data/Common/Mssql/TMssqlTableColumn.php
+++ b/framework/Data/Common/Mssql/TMssqlTableColumn.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TMssqlTableColumn.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common.Mssql
  */
 
@@ -19,7 +18,6 @@ Prado::using('System.Data.Common.TDbTableColumn');
  * Describes the column metadata of the schema for a Mssql database table.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TMssqlTableColumn.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common.Mssql
  * @since 3.1
  */
diff --git a/framework/Data/Common/Mssql/TMssqlTableInfo.php b/framework/Data/Common/Mssql/TMssqlTableInfo.php
index 0db446b1..d003b336 100644
--- a/framework/Data/Common/Mssql/TMssqlTableInfo.php
+++ b/framework/Data/Common/Mssql/TMssqlTableInfo.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TMssqlTableInfo.php 1861 2007-04-12 08:05:03Z wei $
  * @package System.Data.Common.Mssql
  */
 
@@ -20,7 +19,6 @@ Prado::using('System.Data.Common.Mssql.TMssqlTableColumn');
  * TMssqlTableInfo class provides additional table information for Mssql database.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TMssqlTableInfo.php 1861 2007-04-12 08:05:03Z wei $
  * @package System.Data.Common.Mssql
  * @since 3.1
  */
diff --git a/framework/Data/Common/Mysql/TMysqlCommandBuilder.php b/framework/Data/Common/Mysql/TMysqlCommandBuilder.php
index 8492c537..38e98b4f 100644
--- a/framework/Data/Common/Mysql/TMysqlCommandBuilder.php
+++ b/framework/Data/Common/Mysql/TMysqlCommandBuilder.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common
  */
 
@@ -16,7 +15,6 @@ Prado::using('System.Data.Common.TDbCommandBuilder');
  * TMysqlCommandBuilder implements default TDbCommandBuilder
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common
  * @since 3.1
  */
diff --git a/framework/Data/Common/Mysql/TMysqlMetaData.php b/framework/Data/Common/Mysql/TMysqlMetaData.php
index 9dc995fc..71c75501 100644
--- a/framework/Data/Common/Mysql/TMysqlMetaData.php
+++ b/framework/Data/Common/Mysql/TMysqlMetaData.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TMysqlMetaData.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Mysql
  */
 
@@ -23,7 +22,6 @@ Prado::using('System.Data.Common.Mysql.TMysqlTableInfo');
  * See http://netevil.org/node.php?nid=795&SC=1
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TMysqlMetaData.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Mysql
  * @since 3.1
  */
@@ -78,6 +76,9 @@ class TMysqlMetaData extends TDbMetaData
 	{
 		list($schemaName,$tableName) = $this->getSchemaTableName($table);
 		$find = $schemaName===null ? "`{$tableName}`" : "`{$schemaName}`.`{$tableName}`";
+		$colCase = $this->getDbConnection()->getColumnCase();
+		if($colCase != TDbColumnCaseMode::Preserved)
+			$this->getDbConnection()->setColumnCase('Preserved');
 		$this->getDbConnection()->setActive(true);
 		$sql = "SHOW FULL FIELDS FROM {$find}";
 		$command = $this->getDbConnection()->createCommand($sql);
@@ -90,6 +91,8 @@ class TMysqlMetaData extends TDbMetaData
 		}
 		if($index===0)
 			throw new TDbException('dbmetadata_invalid_table_view', $table);
+		if($colCase != TDbColumnCaseMode::Preserved)
+			$this->getDbConnection()->setColumnCase($colCase);
 		return $tableInfo;
 	}
 
@@ -382,5 +385,21 @@ EOD;
 		}
 		return false;
 	}
+        
+        /**
+	 * Returns all table names in the database.
+	 * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
+	 * If not empty, the returned table names will be prefixed with the schema name.
+	 * @return array all table names in the database.
+	 */
+	public function findTableNames($schema='')
+	{
+		if($schema==='')
+			return $this->getDbConnection()->createCommand('SHOW TABLES')->queryColumn();
+		$names=$this->getDbConnection()->createCommand('SHOW TABLES FROM '.$this->quoteTableName($schema))->queryColumn();
+		foreach($names as &$name)
+			$name=$schema.'.'.$name;
+		return $names;
+	}
 }
 
diff --git a/framework/Data/Common/Mysql/TMysqlTableColumn.php b/framework/Data/Common/Mysql/TMysqlTableColumn.php
index 6f482537..dd62f0f6 100644
--- a/framework/Data/Common/Mysql/TMysqlTableColumn.php
+++ b/framework/Data/Common/Mysql/TMysqlTableColumn.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TMysqlTableColumn.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Mysql
  */
 
@@ -19,7 +18,6 @@ Prado::using('System.Data.Common.TDbTableColumn');
  * Describes the column metadata of the schema for a Mysql database table.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TMysqlTableColumn.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Mysql
  * @since 3.1
  */
diff --git a/framework/Data/Common/Mysql/TMysqlTableInfo.php b/framework/Data/Common/Mysql/TMysqlTableInfo.php
index b190e961..17b32aa9 100644
--- a/framework/Data/Common/Mysql/TMysqlTableInfo.php
+++ b/framework/Data/Common/Mysql/TMysqlTableInfo.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TMysqlTableInfo.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Mysql
  */
 
@@ -20,7 +19,6 @@ Prado::using('System.Data.Common.Mysql.TMysqlTableColumn');
  * TMysqlTableInfo class provides additional table information for MySQL database.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TMysqlTableInfo.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Mysql
  * @since 3.1
  */
diff --git a/framework/Data/Common/Oracle/TOracleCommandBuilder.php b/framework/Data/Common/Oracle/TOracleCommandBuilder.php
index 26490d54..56173c3a 100644
--- a/framework/Data/Common/Oracle/TOracleCommandBuilder.php
+++ b/framework/Data/Common/Oracle/TOracleCommandBuilder.php
@@ -5,9 +5,8 @@
  *
  * @author Marcos Nobre <marconobre[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TOracleCommandBuilder.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  */
 
@@ -18,7 +17,6 @@ Prado :: using('System.Data.Common.TDbCommandBuilder');
  * for Oracle database.
  *
  * @author Marcos Nobre <marconobre[at]gmail[dot]com>
- * @version $Id: TOracleCommandBuilder.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  * @since 3.1
  */
@@ -134,14 +132,14 @@ class TOracleCommandBuilder extends TDbCommandBuilder {
 				  "		SELECT rownum as {$pradoNUMLIN} {$aliasedFields} FROM ".
 				  " ($sql) {$fieldsALIAS} WHERE rownum <= {$limit} ".
 				  ") WHERE {$pradoNUMLIN} >= {$offset} ";
-		
+
 		************************* */
 		$offset=(int)$offset;
 		$toReg = $offset + $limit ;
 		$fullTableName = $this->getTableInfo()->getTableFullName();
-		if (empty ($sORDERBY)) 
+		if (empty ($sORDERBY))
 			$sORDERBY="ROWNUM";
-			
+
 		$newSql = 	" SELECT $fields FROM " .
 					"(					" .
 					"		SELECT ROW_NUMBER() OVER ( ORDER BY {$sORDERBY} ) -1 as {$pradoNUMLIN} {$aliasedFields} " .
diff --git a/framework/Data/Common/Oracle/TOracleMetaData.php b/framework/Data/Common/Oracle/TOracleMetaData.php
index 793070ed..7b5bd195 100644
--- a/framework/Data/Common/Oracle/TOracleMetaData.php
+++ b/framework/Data/Common/Oracle/TOracleMetaData.php
@@ -4,9 +4,8 @@
  *
  * @author Marcos Nobre <marconobre[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TOracleMetaData.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Oracle
  */
 
@@ -21,7 +20,6 @@ Prado::using('System.Data.Common.Oracle.TOracleTableColumn');
  * TOracleMetaData loads Oracle database table and column information.
  *
  * @author Marcos Nobre <marconobre[at]gmail[dot]com>
- * @version $Id: TOracleMetaData.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Oracle
  * @since 3.1
  */
@@ -29,7 +27,7 @@ class TOracleMetaData extends TDbMetaData
 {
 	private $_defaultSchema = 'system';
 
-	
+
 	/**
 	 * @return string TDbTableInfo class name.
 	 */
@@ -336,5 +334,41 @@ EOD;
 		}
 		return false;
 	}
-}
+        
+        /**
+	 * Returns all table names in the database.
+	 * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
+	 * If not empty, the returned table names will be prefixed with the schema name.
+	 * @return array all table names in the database.
+	 */
+	public function findTableNames($schema='')
+	{
+		if($schema==='')
+		{
+			$sql=<<<EOD
+SELECT table_name, '{$schema}' as table_schema FROM user_tables
+EOD;
+			$command=$this->getDbConnection()->createCommand($sql);
+		}
+		else
+		{
+			$sql=<<<EOD
+SELECT object_name as table_name, owner as table_schema FROM all_objects
+WHERE object_type = 'TABLE' AND owner=:schema
+EOD;
+			$command=$this->getDbConnection()->createCommand($sql);
+			$command->bindParam(':schema',$schema);
+		}
 
+		$rows=$command->queryAll();
+		$names=array();
+		foreach($rows as $row)
+		{
+			if($schema===$this->getDefaultSchema() || $schema==='')
+				$names[]=$row['TABLE_NAME'];
+			else
+				$names[]=$row['TABLE_SCHEMA'].'.'.$row['TABLE_NAME'];
+		}
+		return $names;
+	}
+}
diff --git a/framework/Data/Common/Oracle/TOracleTableColumn.php b/framework/Data/Common/Oracle/TOracleTableColumn.php
index bbd7212c..bc89d8c5 100644
--- a/framework/Data/Common/Oracle/TOracleTableColumn.php
+++ b/framework/Data/Common/Oracle/TOracleTableColumn.php
@@ -4,9 +4,8 @@
  *
  * @author Marcos Nobre <marconobre[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TOracleTableColumn.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Oracle
  */
 
@@ -19,14 +18,13 @@ Prado::using('System.Data.Common.TDbTableColumn');
  * Describes the column metadata of the schema for a PostgreSQL database table.
  *
  * @author Marcos Nobre <marconobre[at]gmail[dot]com>
- * @version $Id: TOracleTableColumn.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Oracle
  * @since 3.1
  */
 class TOracleTableColumn extends TDbTableColumn
 {
 	private static $types=array(
-		'numeric' => array( 'numeric' )		
+		'numeric' => array( 'numeric' )
 //		'integer' => array('bit', 'bit varying', 'real', 'serial', 'int', 'integer'),
 //		'boolean' => array('boolean'),
 //		'float' => array('bigint', 'bigserial', 'double precision', 'money', 'numeric')
diff --git a/framework/Data/Common/Oracle/TOracleTableInfo.php b/framework/Data/Common/Oracle/TOracleTableInfo.php
index 6aa31fd8..4a2e31fd 100644
--- a/framework/Data/Common/Oracle/TOracleTableInfo.php
+++ b/framework/Data/Common/Oracle/TOracleTableInfo.php
@@ -5,9 +5,8 @@
  *
  * @author Marcos Nobre <marconobre[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TOracleTableInfo.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  */
 
@@ -15,7 +14,6 @@
  * TDbTableInfo class describes the meta data of a database table.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TOracleTableInfo.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  * @since 3.1
  */
diff --git a/framework/Data/Common/Pgsql/TPgsqlCommandBuilder.php b/framework/Data/Common/Pgsql/TPgsqlCommandBuilder.php
index eb975a1a..851dabb5 100644
--- a/framework/Data/Common/Pgsql/TPgsqlCommandBuilder.php
+++ b/framework/Data/Common/Pgsql/TPgsqlCommandBuilder.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common
  */
 
@@ -17,7 +16,6 @@ Prado::using('System.Data.Common.TDbCommandBuilder');
  * for Pgsql database.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common
  * @since 3.1
  */
diff --git a/framework/Data/Common/Pgsql/TPgsqlMetaData.php b/framework/Data/Common/Pgsql/TPgsqlMetaData.php
index dd91dfdc..595f46e8 100644
--- a/framework/Data/Common/Pgsql/TPgsqlMetaData.php
+++ b/framework/Data/Common/Pgsql/TPgsqlMetaData.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TPgsqlMetaData.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Pgsql
  */
 
@@ -20,7 +19,6 @@ Prado::using('System.Data.Common.Pgsql.TPgsqlTableInfo');
  * TPgsqlMetaData loads PostgreSQL database table and column information.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TPgsqlMetaData.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Pgsql
  * @since 3.1
  */
@@ -418,5 +416,33 @@ EOD;
 		}
 		return false;
 	}
+        
+        /**
+	 * Returns all table names in the database.
+	 * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
+	 * If not empty, the returned table names will be prefixed with the schema name.
+	 * @return array all table names in the database.
+	 */
+	public function findTableNames($schema='public')
+	{
+		if($schema==='')
+			$schema=self::DEFAULT_SCHEMA;
+		$sql=<<<EOD
+SELECT table_name, table_schema FROM information_schema.tables
+WHERE table_schema=:schema AND table_type='BASE TABLE'
+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
+				$names[]=$row['table_schema'].'.'.$row['table_name'];
+		}
+		return $names;
+	}
 }
 
diff --git a/framework/Data/Common/Pgsql/TPgsqlTableColumn.php b/framework/Data/Common/Pgsql/TPgsqlTableColumn.php
index da17a7d3..fd0fd23c 100644
--- a/framework/Data/Common/Pgsql/TPgsqlTableColumn.php
+++ b/framework/Data/Common/Pgsql/TPgsqlTableColumn.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TPgsqlTableColumn.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Pgsql
  */
 
@@ -19,7 +18,6 @@ Prado::using('System.Data.Common.TDbTableColumn');
  * Describes the column metadata of the schema for a PostgreSQL database table.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TPgsqlTableColumn.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Pgsql
  * @since 3.1
  */
diff --git a/framework/Data/Common/Pgsql/TPgsqlTableInfo.php b/framework/Data/Common/Pgsql/TPgsqlTableInfo.php
index ef2b4575..43298ffa 100644
--- a/framework/Data/Common/Pgsql/TPgsqlTableInfo.php
+++ b/framework/Data/Common/Pgsql/TPgsqlTableInfo.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TPgsqlTableInfo.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Pgsql
  */
 
@@ -20,7 +19,6 @@ Prado::using('System.Data.Common.Pgsql.TPgsqlTableColumn');
  * TPgsqlTableInfo class provides additional table information for PostgreSQL database.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TPgsqlTableInfo.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common.Pgsql
  * @since 3.1
  */
diff --git a/framework/Data/Common/Sqlite/TSqliteCommandBuilder.php b/framework/Data/Common/Sqlite/TSqliteCommandBuilder.php
index 396ec7c5..b442f7b4 100644
--- a/framework/Data/Common/Sqlite/TSqliteCommandBuilder.php
+++ b/framework/Data/Common/Sqlite/TSqliteCommandBuilder.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common
  */
 
@@ -17,7 +16,6 @@ Prado::using('System.Data.Common.TDbCommandBuilder');
  * for Sqlite database.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
  * @package System.Data.Common
  * @since 3.1
  */
diff --git a/framework/Data/Common/Sqlite/TSqliteMetaData.php b/framework/Data/Common/Sqlite/TSqliteMetaData.php
index 3d789500..9bc345f3 100644
--- a/framework/Data/Common/Sqlite/TSqliteMetaData.php
+++ b/framework/Data/Common/Sqlite/TSqliteMetaData.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TSqliteMetaData.php 1861 2007-04-12 08:05:03Z wei $
  * @package System.Data.Common.Sqlite
  */
 
@@ -20,7 +19,6 @@ Prado::using('System.Data.Common.Sqlite.TSqliteTableInfo');
  * TSqliteMetaData loads SQLite database table and column information.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TSqliteMetaData.php 1861 2007-04-12 08:05:03Z wei $
  * @package System.Data.Commom.Sqlite
  * @since 3.1
  */
@@ -190,21 +188,15 @@ class TSqliteMetaData extends TDbMetaData
 		}
 		return false;
 	}
+        
+        /**
+	 * Returns all table names in the database.
+	 * @param string $schema the schema of the tables. This is not used for sqlite database.
+	 * @return array all table names in the database.
+	 */
+	public function findTableNames($schema='')
+	{
+		$sql="SELECT DISTINCT tbl_name FROM sqlite_master WHERE tbl_name<>'sqlite_sequence'";
+		return $this->getDbConnection()->createCommand($sql)->queryColumn();
+	}
 }
-
-/**
-
-CREATE TABLE foo
-(
-	id INTEGER NOT NULL PRIMARY KEY,
-	id2 CHAR(2)
-);
-
-CREATE TABLE bar
-(
-	id INTEGER NOT NULL PRIMARY KEY,
-	foo_id INTEGER
-		CONSTRAINT fk_foo_id REFERENCES foo(id) ON DELETE CASCADE
-);
-*/
-
diff --git a/framework/Data/Common/Sqlite/TSqliteTableColumn.php b/framework/Data/Common/Sqlite/TSqliteTableColumn.php
index d8fd1966..f54b6f59 100644
--- a/framework/Data/Common/Sqlite/TSqliteTableColumn.php
+++ b/framework/Data/Common/Sqlite/TSqliteTableColumn.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TSqliteTableColumn.php 1861 2007-04-12 08:05:03Z wei $
  * @package System.Data.Common.Sqlite
  */
 
@@ -19,7 +18,6 @@ Prado::using('System.Data.Common.TDbTableColumn');
  * Describes the column metadata of the schema for a PostgreSQL database table.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TSqliteTableColumn.php 1861 2007-04-12 08:05:03Z wei $
  * @package System.Data.Common.Sqlite
  * @since 3.1
  */
diff --git a/framework/Data/Common/Sqlite/TSqliteTableInfo.php b/framework/Data/Common/Sqlite/TSqliteTableInfo.php
index 52fb3530..e15f050a 100644
--- a/framework/Data/Common/Sqlite/TSqliteTableInfo.php
+++ b/framework/Data/Common/Sqlite/TSqliteTableInfo.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TSqliteTableInfo.php 1861 2007-04-12 08:05:03Z wei $
  * @package System.Data.Common.Sqlite
  */
 
@@ -20,7 +19,6 @@ Prado::using('System.Data.Common.Sqlite.TSqliteTableColumn');
  * TSqliteTableInfo class provides additional table information for PostgreSQL database.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TSqliteTableInfo.php 1861 2007-04-12 08:05:03Z wei $
  * @package System.Data.Common.Sqlite
  * @since 3.1
  */
diff --git a/framework/Data/Common/TDbCommandBuilder.php b/framework/Data/Common/TDbCommandBuilder.php
index fdaa3bfe..7a7b75d4 100644
--- a/framework/Data/Common/TDbCommandBuilder.php
+++ b/framework/Data/Common/TDbCommandBuilder.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TDbCommandBuilder.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  */
 
@@ -15,7 +14,6 @@
  * giving by {@link setTableInfo TableInfo} the property.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TDbCommandBuilder.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  * @since 3.1
  */
diff --git a/framework/Data/Common/TDbMetaData.php b/framework/Data/Common/TDbMetaData.php
index 2ad5c592..5b4568cb 100644
--- a/framework/Data/Common/TDbMetaData.php
+++ b/framework/Data/Common/TDbMetaData.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TDbMetaData.php 3284 2013-04-11 07:14:59Z ctrlaltca $
  * @package System.Data.Common
  */
 
@@ -17,7 +16,6 @@
  * Use the {@link getTableInfo} method to retrieve a table information.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TDbMetaData.php 3284 2013-04-11 07:14:59Z ctrlaltca $
  * @package System.Data.Common
  * @since 3.1
  */
@@ -180,5 +178,15 @@ abstract class TDbMetaData extends TComponent
 
 		return $lft . str_replace(self::$delimiterIdentifier, '', $name) . $rgt;
 	}
+        
+        /**
+	 * Returns all table names in the database.
+	 * This method should be overridden by child classes in order to support this feature
+	 * because the default implementation simply throws an exception.
+	 * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
+	 * If not empty, the returned table names will be prefixed with the schema name.
+	 * @return array all table names in the database.
+	 */
+	abstract public function findTableNames($schema='');
 }
 
diff --git a/framework/Data/Common/TDbTableColumn.php b/framework/Data/Common/TDbTableColumn.php
index 27cfb7c5..fe96e12a 100644
--- a/framework/Data/Common/TDbTableColumn.php
+++ b/framework/Data/Common/TDbTableColumn.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TDbTableColumn.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  */
 
@@ -14,7 +13,6 @@
  * TDbTableColumn class describes the column meta data of the schema for a database table.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TDbTableColumn.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  * @since 3.1
  */
diff --git a/framework/Data/Common/TDbTableInfo.php b/framework/Data/Common/TDbTableInfo.php
index fbfcf46d..5060845b 100644
--- a/framework/Data/Common/TDbTableInfo.php
+++ b/framework/Data/Common/TDbTableInfo.php
@@ -4,9 +4,8 @@
  *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2013 PradoSoft
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
  * @license http://www.pradosoft.com/license/
- * @version $Id: TDbTableInfo.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  */
 
@@ -14,7 +13,6 @@
  * TDbTableInfo class describes the meta data of a database table.
  *
  * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id: TDbTableInfo.php 3245 2013-01-07 20:23:32Z ctrlaltca $
  * @package System.Data.Common
  * @since 3.1
  */