fix #370:

- deprecated TSqliteCache, use TDbCache instead
- reworked the dataaccess code of demos/blog
- other smalll fixes around

6 files changed, 269 insertions, 146 deletions

diff --git a/demos/blog/index.php b/demos/blog/index.php
index 88f798db..6bec1512 100644
--- a/demos/blog/index.php
+++ b/demos/blog/index.php
@@ -12,8 +12,6 @@ if(!is_writable($runtimePath))
 	die("Please make sure that the directory $runtimePath is writable by Web server process.");

 if(!is_writable($dataPath))

 	die("Please make sure that the directory $dataPath is writable by Web server process.");

-if(!extension_loaded("sqlite"))

-	die("SQLite PHP extension is required.");

 

 require_once($frameworkPath);

 

diff --git a/demos/blog/index_php.php b/demos/blog/index_php.php
index a5434860..76c5345c 100644
--- a/demos/blog/index_php.php
+++ b/demos/blog/index_php.php
@@ -12,8 +12,6 @@ if(!is_writable($runtimePath))
 	die("Please make sure that the directory $runtimePath is writable by Web server process.");
 if(!is_writable($dataPath))
 	die("Please make sure that the directory $dataPath is writable by Web server process.");
-if(!extension_loaded("sqlite"))
-	die("SQLite PHP extension is required.");
 
 require_once($frameworkPath);
 $application=new TApplication('protected',false,TApplication::CONFIG_TYPE_PHP);
diff --git a/demos/blog/protected/Common/BlogDataModule.php b/demos/blog/protected/Common/BlogDataModule.php
index d44d9126..26dfc5cf 100644
--- a/demos/blog/protected/Common/BlogDataModule.php
+++ b/demos/blog/protected/Common/BlogDataModule.php
@@ -50,8 +50,14 @@ class BlogDataModule extends TModule
 		{

 			if(trim($statement)!=='')

 			{

-				if(@sqlite_query($this->_db,$statement)===false)

-					throw new BlogException(500,'blogdatamodule_createdatabase_failed',sqlite_error_string(sqlite_last_error($this->_db)),$statement);

+				try {

+					$command=$this->_db->createCommand($statement);

+					$command->execute();

+				}

+				catch(TDbException $e)

+				{

+					throw new BlogException(500,'blogdatamodule_createdatabase_failed',$e->getErrorMessage(),$statement);

+				}

 			}

 		}

 	}

@@ -60,9 +66,16 @@ class BlogDataModule extends TModule
 	{

 		$dbFile=$this->getDbFile();

 		$newDb=!is_file($dbFile);

-		$error='';

-		if(($this->_db=sqlite_open($dbFile,0666,$error))===false)

-			throw new BlogException(500,'blogdatamodule_dbconnect_failed',$error);

+

+		try {

+			$this->_db=new TDbConnection("sqlite:".$dbFile);

+			$this->_db->Active=true;

+		}

+		catch(TDbException $e)

+		{

+			throw new BlogException(500,'blogdatamodule_dbconnect_failed',$e->getErrorMessage());

+		}

+

 		if($newDb)

 			$this->createDatabase();

 	}

@@ -81,10 +94,14 @@ class BlogDataModule extends TModule
 

 	public function query($sql)

 	{

-		if(($result=@sqlite_query($this->_db,$sql))!==false)

-			return $result;

-		else

-			throw new BlogException(500,'blogdatamodule_query_failed',sqlite_error_string(sqlite_last_error($this->_db)),$sql);

+		try {

+			$command=$this->_db->createCommand($sql);

+			return $command->query();

+		}

+		catch(TDbException $e)

+		{

+			throw new BlogException(500,'blogdatamodule_query_failed',$e->getErrorMessage(),$sql);

+		}

 	}

 

 	protected function populateUserRecord($row)

@@ -108,8 +125,7 @@ class BlogDataModule extends TModule
 		if($filter!=='')

 			$filter='WHERE '.$filter;

 		$sql="SELECT * FROM tblUsers $filter $orderBy $limit";

-		$result=$this->query($sql);

-		$rows=sqlite_fetch_all($result,SQLITE_ASSOC);

+		$rows=$this->query($sql);

 		$users=array();

 		foreach($rows as $row)

 			$users[]=$this->populateUserRecord($row);

@@ -122,7 +138,7 @@ class BlogDataModule extends TModule
 			$filter='WHERE '.$filter;

 		$sql="SELECT COUNT(id) AS user_count FROM tblUsers $filter";

 		$result=$this->query($sql);

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		if(($row=$result->read())!==false)

 			return $row['user_count'];

 		else

 			return 0;

@@ -132,7 +148,7 @@ class BlogDataModule extends TModule
 	{

 		$sql="SELECT * FROM tblUsers WHERE id=$id";

 		$result=$this->query($sql);

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		if(($row=$result->read())!==false)

 			return $this->populateUserRecord($row);

 		else

 			return null;

@@ -140,10 +156,12 @@ class BlogDataModule extends TModule
 

 	public function queryUserByName($name)

 	{

-		$name=sqlite_escape_string($name);

-		$sql="SELECT * FROM tblUsers WHERE name='$name'";

-		$result=$this->query($sql);

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		$command=$this->_db->createCommand("SELECT * FROM tblUsers WHERE name=?");

+		$command->bindValue(1, $name);

+

+		$result=$command->query();

+

+		if(($row=$result->read())!==false)

 			return $this->populateUserRecord($row);

 		else

 			return null;

@@ -151,42 +169,51 @@ class BlogDataModule extends TModule
 

 	public function insertUser($user)

 	{

-		$name=sqlite_escape_string($user->Name);

-		$fullName=sqlite_escape_string($user->FullName);

-		$passwd=sqlite_escape_string($user->Password);

-		$email=sqlite_escape_string($user->Email);

-		$website=sqlite_escape_string($user->Website);

-		$createTime=time();

-		$sql="INSERT INTO tblUsers ".

+		$command=$this->_db->createCommand("INSERT INTO tblUsers ".

 				"(name,full_name,role,passwd,email,reg_time,status,website) ".

-				"VALUES ('$name','$fullName',{$user->Role},'$passwd','$email',$createTime,{$user->Status},'$website')";

-		$this->query($sql);

-		$user->ID=sqlite_last_insert_rowid($this->_db);

+				"VALUES (?,?,?,?,?,?,?,?)");

+		$command->bindValue(1, $user->Name);

+		$command->bindValue(2, $user->FullName);

+		$command->bindValue(3, $user->Role);

+		$command->bindValue(4, $user->Password);

+		$command->bindValue(5, $user->Email);

+		$command->bindValue(6, time());

+		$command->bindValue(7, $user->Status);

+		$command->bindValue(8, $user->Website);

+		$command->execute();

+

+		$user->ID=$this->_db->getLastInsertID();

 	}

 

 	public function updateUser($user)

 	{

-		$name=sqlite_escape_string($user->Name);

-		$fullName=sqlite_escape_string($user->FullName);

-		$passwd=sqlite_escape_string($user->Password);

-		$email=sqlite_escape_string($user->Email);

-		$website=sqlite_escape_string($user->Website);

-		$sql="UPDATE tblUsers SET

-				name='$name',

-				full_name='$fullName',

-				role={$user->Role},

-				passwd='$passwd',

-				vcode='{$user->VerifyCode}',

-				email='$email',

-				status={$user->Status},

-				website='$website'

-				WHERE id={$user->ID}";

-		$this->query($sql);

+		$command=$this->_db->createCommand("UPDATE tblUsers SET

+				name=?,

+				full_name=?,

+				role=?,

+				passwd=?,

+				vcode=?,

+				email=?,

+				status=?,

+				website=?

+				WHERE id=?");

+		$command->bindValue(1, $user->Name);

+		$command->bindValue(2, $user->FullName);

+		$command->bindValue(3, $user->Role);

+		$command->bindValue(4, $user->Password);

+		$command->bindValue(5, $user->VerifyCode);

+		$command->bindValue(6, $user->Email);

+		$command->bindValue(7, $user->Status);

+		$command->bindValue(8, $user->Website);

+		$command->bindValue(9, $user->ID);

+		$command->execute();

 	}

 

 	public function deleteUser($id)

 	{

-		$this->query("DELETE FROM tblUsers WHERE id=$id");

+		$command=$this->_db->createCommand("DELETE FROM tblUsers WHERE id=?");

+		$command->bindValue(1, $id);

+		$command->execute();

 	}

 

 	protected function populatePostRecord($row)

@@ -209,6 +236,7 @@ class BlogDataModule extends TModule
 

 	public function queryPosts($postFilter,$categoryFilter,$orderBy,$limit)

 	{

+		//FIXME this is insecure by design since it misses proper escaping 

 		$filter='';

 		if($postFilter!=='')

 			$filter.=" AND $postFilter";

@@ -226,16 +254,54 @@ class BlogDataModule extends TModule
 					a.comment_count AS comment_count

 				FROM tblPosts a, tblUsers b

 				WHERE a.author_id=b.id $filter $orderBy $limit";

-		$result=$this->query($sql);

-		$rows=sqlite_fetch_all($result,SQLITE_ASSOC);

+		$rows=$this->query($sql);

 		$posts=array();

 		foreach($rows as $row)

 			$posts[]=$this->populatePostRecord($row);

 		return $posts;

 	}

 

+	public function queryPostsSearch($keywords,$orderBy,$limit)

+	{

+		$sql="SELECT a.id AS id,

+					a.author_id AS author_id,

+					b.name AS author_name,

+					b.full_name AS author_full_name,

+					a.create_time AS create_time,

+					a.modify_time AS modify_time,

+					a.title AS title,

+					a.content AS content,

+					a.status AS status,

+					a.comment_count AS comment_count

+				FROM tblPosts a, tblUsers b

+				WHERE a.author_id=b.id AND a.status=0";

+

+		foreach($keywords as $keyword)

+			$sql.=" AND (content LIKE ? OR title LIKE ?)";

+

+		$sql.=" $orderBy $limit";

+

+		$command=$this->_db->createCommand($sql);

+

+		$i=1;

+		foreach($keywords as $keyword)

+		{

+			$command->bindValue($i, "%".$keyword."%");

+			$i++;

+		}

+

+		$rows=$command->query();

+

+		$posts=array();

+		foreach($rows as $row)

+			$posts[]=$this->populatePostRecord($row);

+		return $posts;

+

+	}

+

 	public function queryPostCount($postFilter,$categoryFilter)

 	{

+		//FIXME this is insecure by design since it misses proper escaping 

 		$filter='';

 		if($postFilter!=='')

 			$filter.=" AND $postFilter";

@@ -245,7 +311,7 @@ class BlogDataModule extends TModule
 				FROM tblPosts a, tblUsers b

 				WHERE a.author_id=b.id $filter";

 		$result=$this->query($sql);

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		if(($row=$result->read())!==false)

 			return $row['post_count'];

 		else

 			return 0;

@@ -264,28 +330,33 @@ class BlogDataModule extends TModule
 		             a.status AS status,

 		             a.comment_count AS comment_count

 		      FROM tblPosts a, tblUsers b

-		      WHERE a.id=$id AND a.author_id=b.id";

-		$result=$this->query($sql);

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		      WHERE a.id=? AND a.author_id=b.id";

+

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $id);

+

+		$result=$command->query();

+

+		if(($row=$result->read())!==false)

 			return $this->populatePostRecord($row);

 		else

 			return null;

 	}

 

-	public function escapeString($string)

-	{

-		return sqlite_escape_string($string);

-	}

-

 	public function insertPost($post,$catIDs)

 	{

-		$title=sqlite_escape_string($post->Title);

-		$content=sqlite_escape_string($post->Content);

-		$sql="INSERT INTO tblPosts

+		$command=$this->_db->createCommand("INSERT INTO tblPosts

 				(author_id,create_time,modify_time,title,content,status)

-				VALUES ({$post->AuthorID},{$post->CreateTime},{$post->ModifyTime},'$title','$content',{$post->Status})";

-		$this->query($sql);

-		$post->ID=sqlite_last_insert_rowid($this->_db);

+				VALUES (?,?,?,?,?,?)");

+		$command->bindValue(1, $post->AuthorID);

+		$command->bindValue(2, $post->CreateTime);

+		$command->bindValue(3, $post->ModifyTime);

+		$command->bindValue(4, $post->Title);

+		$command->bindValue(5, $post->Content);

+		$command->bindValue(6, $post->Status);

+

+		$command->execute();

+		$post->ID=$this->_db->getLastInsertID();

 		foreach($catIDs as $catID)

 			$this->insertPostCategory($post->ID,$catID);

 	}

@@ -306,15 +377,19 @@ class BlogDataModule extends TModule
 				$this->insertPostCategory($post->ID,$id);

 		}

 

-		$title=sqlite_escape_string($post->Title);

-		$content=sqlite_escape_string($post->Content);

-		$sql="UPDATE tblPosts SET

-				modify_time={$post->ModifyTime},

-				title='$title',

-				content='$content',

-				status={$post->Status}

-				WHERE id={$post->ID}";

-		$this->query($sql);

+		$command=$this->_db->createCommand("UPDATE tblPosts SET

+				modify_time=?,

+				title=?,

+				content=?,

+				status=?

+				WHERE id=?");

+		$command->bindValue(1, $post->ModifyTime);

+		$command->bindValue(2, $post->Title);

+		$command->bindValue(3, $post->Content);

+		$command->bindValue(4, $post->Status);

+		$command->bindValue(5, $post->ID);

+

+		$command->execute();

 	}

 

 	public function deletePost($id)

@@ -322,8 +397,14 @@ class BlogDataModule extends TModule
 		$cats=$this->queryCategoriesByPostID($id);

 		foreach($cats as $cat)

 			$this->deletePostCategory($id,$cat->ID);

-		$this->query("DELETE FROM tblComments WHERE post_id=$id");

-		$this->query("DELETE FROM tblPosts WHERE id=$id");

+

+		$command=$this->_db->createCommand("DELETE FROM tblComments WHERE post_id=?");

+		$command->bindValue(1, $id);

+		$command->execute();

+

+		$command=$this->_db->createCommand("DELETE FROM tblPosts WHERE id=?");

+		$command->bindValue(1, $id);

+		$command->execute();

 	}

 

 	protected function populateCommentRecord($row)

@@ -343,11 +424,11 @@ class BlogDataModule extends TModule
 

 	public function queryComments($filter,$orderBy,$limit)

 	{

+		//FIXME this is insecure by design since it misses proper escaping 

 		if($filter!=='')

 			$filter='WHERE '.$filter;

 		$sql="SELECT * FROM tblComments $filter $orderBy $limit";

-		$result=$this->query($sql);

-		$rows=sqlite_fetch_all($result,SQLITE_ASSOC);

+		$rows=$this->query($sql);

 		$comments=array();

 		foreach($rows as $row)

 			$comments[]=$this->populateCommentRecord($row);

@@ -356,9 +437,12 @@ class BlogDataModule extends TModule
 

 	public function queryCommentsByPostID($id)

 	{

-		$sql="SELECT * FROM tblComments WHERE post_id=$id ORDER BY create_time DESC";

-		$result=$this->query($sql);

-		$rows=sqlite_fetch_all($result,SQLITE_ASSOC);

+		$sql="SELECT * FROM tblComments WHERE post_id=? ORDER BY create_time DESC";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $id);

+

+		$rows=$command->query();

+

 		$comments=array();

 		foreach($rows as $row)

 			$comments[]=$this->populateCommentRecord($row);

@@ -367,35 +451,50 @@ class BlogDataModule extends TModule
 

 	public function insertComment($comment)

 	{

-		$authorName=sqlite_escape_string($comment->AuthorName);

-		$authorEmail=sqlite_escape_string($comment->AuthorEmail);

-		$authorWebsite=sqlite_escape_string($comment->AuthorWebsite);

-		$content=sqlite_escape_string($comment->Content);

 		$sql="INSERT INTO tblComments

 				(post_id,author_name,author_email,author_website,author_ip,create_time,status,content)

-				VALUES ({$comment->PostID},'$authorName','$authorEmail','$authorWebsite','{$comment->AuthorIP}',{$comment->CreateTime},{$comment->Status},'$content')";

-		$this->query($sql);

-		$comment->ID=sqlite_last_insert_rowid($this->_db);

+				VALUES (?,?,?,?,?,?,?,?)";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $comment->PostID);

+		$command->bindValue(2, $comment->AuthorName);

+		$command->bindValue(3, $comment->AuthorEmail);

+		$command->bindValue(4, $comment->AuthorWebsite);

+		$command->bindValue(5, $comment->AuthorIP);

+		$command->bindValue(6, $comment->CreateTime);

+		$command->bindValue(7, $comment->Status);

+		$command->bindValue(8, $comment->Content);

+

+		$command->execute();

+		$comment->ID=$this->_db->getLastInsertID();

 		$this->query("UPDATE tblPosts SET comment_count=comment_count+1 WHERE id={$comment->PostID}");

 	}

 

 	public function updateComment($comment)

 	{

-		$authorName=sqlite_escape_string($comment->AuthorName);

-		$authorEmail=sqlite_escape_string($comment->AuthorEmail);

-		$content=sqlite_escape_string($comment->Content);

-		$sql="UPDATE tblComments SET status={$comment->Status} WHERE id={$comment->ID}";

-		$this->query($sql);

+		$sql="UPDATE tblComments SET status=? WHERE id=?";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $comment->Status);

+		$command->bindValue(2, $comment->ID);

+

+		$command->execute();

 	}

 

 	public function deleteComment($id)

 	{

-		$result=$this->query("SELECT post_id FROM tblComments WHERE id=$id");

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		$sql="SELECT post_id FROM tblComments WHERE id=?";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $id);

+		$result=$command->query();

+

+		if(($row=$result->read())!==false)

 		{

-			$postID=$row['post_id'];

-			$this->query("DELETE FROM tblComments WHERE id=$id");

-			$this->query("UPDATE tblPosts SET comment_count=comment_count-1 WHERE id=$postID");

+			$command=$this->_db->createCommand("DELETE FROM tblComments WHERE id=?");

+			$command->bindValue(1, $id);

+			$command->execute();

+

+			$command=$this->_db->createCommand("UPDATE tblPosts SET comment_count=comment_count-1 WHERE id=?");

+			$command->bindValue(1, $row['post_id']);

+			$command->execute();

 		}

 	}

 

@@ -412,8 +511,7 @@ class BlogDataModule extends TModule
 	public function queryCategories()

 	{

 		$sql="SELECT * FROM tblCategories ORDER BY name ASC";

-		$result=$this->query($sql);

-		$rows=sqlite_fetch_all($result,SQLITE_ASSOC);

+		$rows=$this->query($sql);

 		$cats=array();

 		foreach($rows as $row)

 			$cats[]=$this->populateCategoryRecord($row);

@@ -427,9 +525,12 @@ class BlogDataModule extends TModule
 				a.description AS description,

 				a.post_count AS post_count

 				FROM tblCategories a, tblPost2Category b

-				WHERE a.id=b.category_id AND b.post_id=$postID ORDER BY a.name";

-		$result=$this->query($sql);

-		$rows=sqlite_fetch_all($result,SQLITE_ASSOC);

+				WHERE a.id=b.category_id AND b.post_id=? ORDER BY a.name";

+

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $postID);

+		$rows=$command->query();

+

 		$cats=array();

 		foreach($rows as $row)

 			$cats[]=$this->populateCategoryRecord($row);

@@ -438,9 +539,13 @@ class BlogDataModule extends TModule
 

 	public function queryCategoryByID($id)

 	{

-		$sql="SELECT * FROM tblCategories WHERE id=$id";

-		$result=$this->query($sql);

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		$sql="SELECT * FROM tblCategories WHERE id=?";

+

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $id);

+		$result=$command->query();

+

+		if(($row=$result->read())!==false)

 			return $this->populateCategoryRecord($row);

 		else

 			return null;

@@ -448,10 +553,13 @@ class BlogDataModule extends TModule
 

 	public function queryCategoryByName($name)

 	{

-		$name=sqlite_escape_string($name);

-		$sql="SELECT * FROM tblCategories WHERE name='$name'";

-		$result=$this->query($sql);

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		$sql="SELECT * FROM tblCategories WHERE name=?";

+

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $name);

+		$result=$command->query();

+

+		if(($row=$result->read())!==false)

 			return $this->populateCategoryRecord($row);

 		else

 			return null;

@@ -459,46 +567,73 @@ class BlogDataModule extends TModule
 

 	public function insertCategory($category)

 	{

-		$name=sqlite_escape_string($category->Name);

-		$description=sqlite_escape_string($category->Description);

 		$sql="INSERT INTO tblCategories

 				(name,description)

-				VALUES ('$name','$description')";

-		$this->query($sql);

-		$category->ID=sqlite_last_insert_rowid($this->_db);

+				VALUES (?,?)";

+

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $category->Name);

+		$command->bindValue(2, $category->Description);

+		$command->execute();

+

+		$category->ID=$this->_db->getLastInsertID();

 	}

 

 	public function updateCategory($category)

 	{

-		$name=sqlite_escape_string($category->Name);

-		$description=sqlite_escape_string($category->Description);

-		$sql="UPDATE tblCategories SET name='$name', description='$description', post_count={$category->PostCount} WHERE id={$category->ID}";

-		$this->query($sql);

+		$sql="UPDATE tblCategories SET name=?, description=?, post_count=? WHERE id=?";

+

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $category->Name);

+		$command->bindValue(2, $category->Description);

+		$command->bindValue(3, $category->PostCount);

+		$command->bindValue(4, $category->ID);

+

+		$command->execute();

 	}

 

 	public function deleteCategory($id)

 	{

-		$sql="DELETE FROM tblPost2Category WHERE category_id=$id";

-		$this->query($sql);

-		$sql="DELETE FROM tblCategories WHERE id=$id";

-		$this->query($sql);

+		$sql="DELETE FROM tblPost2Category WHERE category_id=?";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $id);

+		$command->execute();

+

+		$sql="DELETE FROM tblCategories WHERE id=?";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $id);

+		$command->execute();

 	}

 

 	public function insertPostCategory($postID,$categoryID)

 	{

-		$sql="INSERT INTO tblPost2Category (post_id, category_id) VALUES ($postID, $categoryID)";

-		$this->query($sql);

-		$sql="UPDATE tblCategories SET post_count=post_count+1 WHERE id=$categoryID";

-		$this->query($sql);

+		$sql="INSERT INTO tblPost2Category (post_id, category_id) VALUES (?, ?)";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $postID);

+		$command->bindValue(2, $categoryID);

+		$command->execute();

+

+		$sql="UPDATE tblCategories SET post_count=post_count+1 WHERE id=?";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $categoryID);

+		$command->execute();

+

 	}

 

 	public function deletePostCategory($postID,$categoryID)

 	{

-		$sql="DELETE FROM tblPost2Category WHERE post_id=$postID AND category_id=$categoryID";

-		if($this->query($sql)>0)

+		$sql="DELETE FROM tblPost2Category WHERE post_id=? AND category_id=?";

+		$command=$this->_db->createCommand($sql);

+		$command->bindValue(1, $postID);

+		$command->bindValue(2, $categoryID);

+		$result=$command->query();

+

+		if($result->getRowCount()>0)

 		{

-			$sql="UPDATE tblCategories SET post_count=post_count-1 WHERE id=$categoryID";

-			$this->query($sql);

+			$sql="UPDATE tblCategories SET post_count=post_count-1 WHERE id=?";

+			$command=$this->_db->createCommand($sql);

+			$command->bindValue(1, $categoryID);

+			$command->execute();

 		}

 	}

 

@@ -506,7 +641,7 @@ class BlogDataModule extends TModule
 	{

 		$sql="SELECT MIN(create_time) AS create_time FROM tblPosts";

 		$result=$this->query($sql);

-		if(($row=sqlite_fetch_array($result,SQLITE_ASSOC))!==false)

+		if(($row=$result->read())!==false)

 			return $row['create_time'];

 		else

 			return time();

diff --git a/demos/blog/protected/Pages/SearchPost.php b/demos/blog/protected/Pages/SearchPost.php
index a824d257..dc483f9a 100644
--- a/demos/blog/protected/Pages/SearchPost.php
+++ b/demos/blog/protected/Pages/SearchPost.php
@@ -7,23 +7,15 @@ class SearchPost extends BlogPage
 	public function onInit($param)

 	{

 		parent::onInit($param);

-		$this->_posts=$this->DataAccess->queryPosts(

-				$this->getPostFilter(),

-				'',

+		$this->_posts=$this->DataAccess->queryPostsSearch(

+				$this->getPostKeywords(),

 				'ORDER BY create_time DESC',

 				'LIMIT '.$this->getPageOffset().','.$this->getPageSize());

 	}

 

-	private function getPostFilter()

+	private function getPostKeywords()

 	{

-		$filter='a.status=0';

-		$keywords=explode(' ',$this->Request['keyword']);

-		foreach($keywords as $keyword)

-		{

-			if(($keyword=$this->DataAccess->escapeString(trim($keyword)))!=='')

-				$filter.=" AND (content LIKE '%$keyword%' OR title LIKE '%$keyword%')";

-		}

-		return $filter;

+		return explode(' ',$this->Request['keyword']);

 	}

 

 	private function getPageOffset()

diff --git a/demos/blog/protected/application.php b/demos/blog/protected/application.php
index d7d7c97b..01604c03 100644
--- a/demos/blog/protected/application.php
+++ b/demos/blog/protected/application.php
@@ -20,7 +20,7 @@ return array(
 		),
 		
 		'cache' => array(
-			'class' => 'System.Caching.TSqliteCache',
+			'class' => 'System.Caching.TDbCache',
 		),
 		
 		'error' => array(
diff --git a/demos/blog/protected/application.xml b/demos/blog/protected/application.xml
index d28b2dd7..908e3f59 100644
--- a/demos/blog/protected/application.xml
+++ b/demos/blog/protected/application.xml
@@ -9,7 +9,7 @@
     <!-- Remove this comment mark to enable PATH url format

     <module id="request" class="THttpRequest" UrlFormat="Path" />

     -->

-    <module id="cache" class="System.Caching.TSqliteCache" />

+    <module id="cache" class="System.Caching.TDbCache" />

     <module class="Application.Common.BlogErrorHandler" />

     <module id="log" class="System.Util.TLogRouter">

       <route class="TFileLogRoute" Categories="BlogApplication" />