diff --git a/classes/db/DBSqlite3_pdo.class.php b/classes/db/DBSqlite3_pdo.class.php
index 34aecd172..18926963b 100644
--- a/classes/db/DBSqlite3_pdo.class.php
+++ b/classes/db/DBSqlite3_pdo.class.php
@@ -74,7 +74,7 @@
             $db_info = Context::getDBInfo();
             $this->database = $db_info->master_db["db_database"];
             $this->prefix = $db_info->master_db["db_table_prefix"];
-            if(!substr($this->prefix,-1)!='_') $this->prefix .= '_';
+            //if(!substr($this->prefix,-1)!='_') $this->prefix .= '_';
         }
 
         /**
@@ -130,7 +130,13 @@
          **/
         function commit($force = false) {
             if(!$force && (!$this->is_connected || !$this->transaction_started)) return;
-            $this->handler->commit();
+            try {
+                $this->handler->commit();
+            }
+            catch(PDOException $e){
+                // There was no transaction started, so just continue.
+                error_log($e->getMessage());
+            }
             $this->transaction_started = false;
         }
 
@@ -403,6 +409,10 @@
             }
         }
 
+    function _getConnection($type = null){
+        return null;
+    }
+
     /**
      * @brief insertAct
      * */
@@ -457,6 +467,7 @@
 
         $this->_prepare($query);
         $data = $this->_execute();
+        // TODO isError is called twice
         if ($this->isError())
             return;
 
diff --git a/test-phpUnit/config/config.inc.php b/test-phpUnit/config/config.inc.php
index 6ee61f7cf..0b61fbc7f 100644
--- a/test-phpUnit/config/config.inc.php
+++ b/test-phpUnit/config/config.inc.php
@@ -15,6 +15,7 @@
         require_once(_XE_PATH_.'test-phpUnit/db/MssqlTest.php');
         require_once(_XE_PATH_.'test-phpUnit/db/MssqlOnlineTest.php');
         require_once(_XE_PATH_.'test-phpUnit/db/MysqlTest.php');
+        require_once(_XE_PATH_.'test-phpUnit/db/SqliteTest.php');
 
         require_once(_XE_PATH_.'config/config.inc.php');
 //	require_once(_XE_PATH_.'classes/object/Object.class.php');
diff --git a/test-phpUnit/db/DBTest.php b/test-phpUnit/db/DBTest.php
index 59f5c4a3f..94b36e13e 100644
--- a/test-phpUnit/db/DBTest.php
+++ b/test-phpUnit/db/DBTest.php
@@ -29,7 +29,7 @@
                 echo PHP_EOL . ' ----------------------------------- ' .PHP_EOL;
                 echo $xml_file;
                 echo PHP_EOL . ' ----------------------------------- ' .PHP_EOL;
-                
+
                 $tester = new QueryTester();
                 $outputString = $tester->getNewParserOutputString($xml_file, $argsString);
                 echo $outputString;
diff --git a/test-phpUnit/db/SqliteTest.php b/test-phpUnit/db/SqliteTest.php
new file mode 100644
index 000000000..edb62d647
--- /dev/null
+++ b/test-phpUnit/db/SqliteTest.php
@@ -0,0 +1,32 @@
+<?php
+
+    /**
+     * Base class for tests for Sqlite SQL syntax
+     *
+     * See syntax reference:
+     * http://www.sqlite.org/lang.html
+     */
+
+    class SqliteTest extends DBTest {
+
+        /**
+         * Prepare runtime context - tell DB class that current DB is CUBRID
+         */
+        protected function setUp() {
+            $oContext = &Context::getInstance();
+
+            $db_info->master_db = array('db_type' => 'sqlite3_pdo','db_table_prefix' => 'xe_');
+            $db_info->slave_db = array(array('db_type' => 'sqlite3_pdo','db_table_prefix' => 'xe_'));
+
+            $oContext->setDbInfo($db_info);
+            DB::getParser(true);
+        }
+
+        /**
+         * Free resources - reset static DB and QueryParser
+         */
+        protected function tearDown() {
+            unset($GLOBALS['__DB__']);
+        }
+    }
+?>
diff --git a/test-phpUnit/db/xml_query/sqlite/SqliteDeleteTest.php b/test-phpUnit/db/xml_query/sqlite/SqliteDeleteTest.php
new file mode 100644
index 000000000..9e575af90
--- /dev/null
+++ b/test-phpUnit/db/xml_query/sqlite/SqliteDeleteTest.php
@@ -0,0 +1,18 @@
+<?php
+	require(_XE_PATH_ . 'test-phpUnit/config/config.inc.php');
+
+	class SqliteDeleteTest extends SqliteTest {
+
+                function _test($xml_file, $argsString, $expected, $columnList = null){
+                    $this->_testQuery($xml_file, $argsString, $expected, 'getDeleteSql', $columnList);
+		}
+
+                function testDeleteIsGeneratedWithoutAlias(){
+			$xml_file = _TEST_PATH_ . "db/xml_query/sqlite/data/module.deleteModuleConfig.xml";
+			$argsString = '$args->module = "comment"; $args->site_srl = 0; ';
+			$expected = 'delete from "xe_module_config"
+                                        where "module" = \'comment\' and "site_srl" = 0';
+			$this->_test($xml_file, $argsString, $expected);
+                }
+
+	}
\ No newline at end of file
diff --git a/test-phpUnit/db/xml_query/sqlite/SqliteUpdateTest.php b/test-phpUnit/db/xml_query/sqlite/SqliteUpdateTest.php
new file mode 100644
index 000000000..28a3d0567
--- /dev/null
+++ b/test-phpUnit/db/xml_query/sqlite/SqliteUpdateTest.php
@@ -0,0 +1,22 @@
+<?php
+	require(_XE_PATH_ . 'test-phpUnit/config/config.inc.php');
+
+	class SqliteDeleteTest extends SqliteTest {
+
+                function _test($xml_file, $argsString, $expected, $columnList = null){
+                    $this->_testQuery($xml_file, $argsString, $expected, 'getUpdateSql', $columnList);
+		}
+
+                function testUpdateIsGeneratedWithoutAlias(){
+			$xml_file = _TEST_PATH_ . "db/xml_query/sqlite/data/member.updateLastLogin.xml";
+			$argsString = '$args->member_srl = 4;
+                                       $args->last_login = \'20111014184010\';
+                            ';
+			$expected = 'UPDATE  "xe_member"
+                                        SET "member_srl" = 4
+                                            , "last_login" = \'20111014184010\'
+                                     WHERE "member_srl" = 4';
+			$this->_test($xml_file, $argsString, $expected);
+                }
+
+	}
\ No newline at end of file
diff --git a/test-phpUnit/db/xml_query/sqlite/data/member.updateLastLogin.xml b/test-phpUnit/db/xml_query/sqlite/data/member.updateLastLogin.xml
new file mode 100644
index 000000000..3a8fde69d
--- /dev/null
+++ b/test-phpUnit/db/xml_query/sqlite/data/member.updateLastLogin.xml
@@ -0,0 +1,12 @@
+<query id="updateLastLogin" action="update">
+    <tables>
+        <table name="member" />
+    </tables>
+    <columns>
+        <column name="member_srl" var="member_srl" filter="number" notnull="notnull" />
+        <column name="last_login" var="last_login" notnull="notnull" />
+    </columns>
+    <conditions>
+        <condition operation="equal" column="member_srl" var="member_srl" notnull="notnull" filter="number" />
+    </conditions>
+</query>
\ No newline at end of file
diff --git a/test-phpUnit/db/xml_query/sqlite/data/module.deleteModuleConfig.xml b/test-phpUnit/db/xml_query/sqlite/data/module.deleteModuleConfig.xml
new file mode 100644
index 000000000..bdc99660b
--- /dev/null
+++ b/test-phpUnit/db/xml_query/sqlite/data/module.deleteModuleConfig.xml
@@ -0,0 +1,9 @@
+<query id="deleteModuleConfig" action="delete">
+    <tables>
+        <table name="module_config" />
+    </tables>
+    <conditions>
+        <condition operation="equal" column="module" var="module" notnull="notnull" />
+        <condition operation="equal" column="site_srl" var="site_srl" notnull="notnull" pipe="and" />
+    </conditions>
+</query>