diff --git a/extension/lite/product/ext/model/getpairs.php b/extension/lite/product/ext/model/getpairs.php
index 0796a1e0d7..255441bc44 100644
--- a/extension/lite/product/ext/model/getpairs.php
+++ b/extension/lite/product/ext/model/getpairs.php
@@ -27,7 +27,7 @@ public function getPairs($mode = '', $programID = 0, $append = '', $shadow = 0)
 
     $products = $this->dao->select('*,  IF(INSTR(" closed", status) < 2, 0, 1) AS isClosed')
         ->from(TABLE_PRODUCT)
-        ->where(1)
+        ->where('1 = 1')
         ->beginIF(strpos($mode, 'all') === false)->andWhere('deleted')->eq(0)->fi()
         ->beginIF($programID)->andWhere('program')->eq($programID)->fi()
         ->beginIF(strpos($mode, 'noclosed') !== false)->andWhere('status')->ne('closed')->fi()
diff --git a/extension/lite/workflowdatasource/ext/model/getlist.php b/extension/lite/workflowdatasource/ext/model/getlist.php
index e352913fb7..49c3e84ab0 100644
--- a/extension/lite/workflowdatasource/ext/model/getlist.php
+++ b/extension/lite/workflowdatasource/ext/model/getlist.php
@@ -10,7 +10,7 @@
 public function getList($orderBy = 'id_desc', $pager = null)
 {
     return $this->dao->select('*')->from(TABLE_WORKFLOWDATASOURCE)
-        ->where(1)
+        ->where('1 = 1')
         ->beginIF(!empty($this->config->vision))->andWhere('vision')->eq($this->config->vision)->fi()
         ->beginIF($this->config->visions == ',lite,')->andWhere('code')->notin($this->config->workflowdatasource->excludeDatasource)->fi()
         ->orderBy($orderBy)
diff --git a/module/convert/model.php b/module/convert/model.php
index 45e48cc0ac..957791932e 100644
--- a/module/convert/model.php
+++ b/module/convert/model.php
@@ -128,7 +128,7 @@ class convertModel extends model
         {
             $dataList = $this->dao->dbh($this->sourceDBH)->select('t1.`ID`, t1.`lower_user_name` as account, t1.`lower_display_name` as realname, t1.`lower_email_address` as email, t1.created_date as `join`, t2.user_key as userCode')->from(JIRA_USERINFO)->alias('t1')
                 ->leftJoin(JIRA_USER)->alias('t2')->on('t1.`lower_user_name` = t2.`lower_user_name`')
-                ->where(1)
+                ->where('1 = 1')
                 ->beginIF($lastID)->andWhere('t1.ID')->gt($lastID)->fi()
                 ->orderBy('t1.ID asc')->limit($limit)
                 ->fetchAll('ID');
@@ -136,7 +136,7 @@ class convertModel extends model
         elseif($module == 'project')
         {
             $dataList = $this->dao->dbh($this->sourceDBH)->select('*')->from(JIRA_PROJECT)
-                ->where(1)
+                ->where('1 = 1')
                 ->beginIF($lastID)->andWhere('ID')->gt($lastID)->fi()
                 ->orderBy('ID asc')->limit($limit)
                 ->fetchAll('ID');
@@ -144,7 +144,7 @@ class convertModel extends model
         elseif($module == 'issue')
         {
             $dataList = $this->dao->dbh($this->sourceDBH)->select('*')->from(JIRA_ISSUE)
-                ->where(1)
+                ->where('1 = 1')
                 ->beginIF($lastID)->andWhere('ID')->gt($lastID)->fi()
                 ->orderBy('ID asc')->limit($limit)
                 ->fetchAll('ID');
@@ -152,7 +152,7 @@ class convertModel extends model
         elseif($module == 'build')
         {
             $dataList = $this->dao->dbh($this->sourceDBH)->select('*')->from(JIRA_BUILD)
-                ->where(1)
+                ->where('1 = 1')
                 ->beginIF($lastID)->andWhere('ID')->gt($lastID)->fi()
                 ->orderBy('ID asc')->limit($limit)
                 ->fetchAll('ID');
@@ -160,7 +160,7 @@ class convertModel extends model
         elseif($module == 'issuelink')
         {
             $dataList = $this->dao->dbh($this->sourceDBH)->select('*')->from(JIRA_ISSUELINK)
-                ->where(1)
+                ->where('1 = 1')
                 ->beginIF($lastID)->andWhere('ID')->gt($lastID)->fi()
                 ->orderBy('ID asc')->limit($limit)
                 ->fetchAll('ID');
@@ -168,7 +168,7 @@ class convertModel extends model
         elseif($module == 'action')
         {
             $dataList = $this->dao->dbh($this->sourceDBH)->select('*')->from(JIRA_ACTION)
-                ->where(1)
+                ->where('1 = 1')
                 ->beginIF($lastID)->andWhere('ID')->gt($lastID)->fi()
                 ->orderBy('ID asc')->limit($limit)
                 ->fetchAll('ID');
@@ -176,7 +176,7 @@ class convertModel extends model
         elseif($module == 'file')
         {
             $dataList = $this->dao->dbh($this->sourceDBH)->select('*')->from(JIRA_FILE)
-                ->where(1)
+                ->where('1 = 1')
                 ->beginIF($lastID)->andWhere('ID')->gt($lastID)->fi()
                 ->orderBy('ID asc')->limit($limit)
                 ->fetchAll('ID');
diff --git a/module/doc/model.php b/module/doc/model.php
index 9bd29b9b56..34731d9320 100644
--- a/module/doc/model.php
+++ b/module/doc/model.php
@@ -1206,7 +1206,7 @@ class docModel extends model
         if($libID == 0 and $browseType != 'collectedbyme') return array();
 
         $modules = $this->dao->select('*')->from(TABLE_MODULE)
-            ->where(1)
+            ->where('1 = 1')
             ->beginIF($browseType != "collectedbyme")->andWhere('root')->eq($libID)->fi()
             ->beginIF($browseType == "collectedbyme")->andWhere('collector')->like("%,{$this->app->user->account},%")->fi()
             ->andWhere('type')->eq('doc')
diff --git a/module/kanban/model.php b/module/kanban/model.php
index e5ae52bd69..db1d388dfa 100755
--- a/module/kanban/model.php
+++ b/module/kanban/model.php
@@ -3705,7 +3705,7 @@ class kanbanModel extends model
     public function getColumnsByObject($objectType = '', $objectID = 0, $archived = 0, $deleted = '0')
     {
         return $this->dao->select('*')->from(TABLE_KANBANCOLUMN)
-            ->where(true)
+            ->where('1 = 1')
             ->beginIF($objectType)->andWhere($objectType)->eq($objectID)->fi()
             ->beginIF($archived != '')->andWhere('archived')->eq($archived)->fi()
             ->beginIF($deleted != '')->andWhere('deleted')->eq($deleted)->fi()
@@ -3817,7 +3817,7 @@ class kanbanModel extends model
     public function getCardsByObject($objectType = '', $objectID = 0, $archived = '0', $deleted = '0')
     {
         return $this->dao->select('*')->from(TABLE_KANBANCARD)
-            ->where(true)
+            ->where('1 = 1')
             ->beginIF($objectType)->andWhere($objectType)->eq($objectID)->fi()
             ->beginIF($archived != '')->andWhere('archived')->eq($archived)->fi()
             ->beginIF($deleted != '')->andWhere('deleted')->eq($deleted)->fi()
diff --git a/module/product/model.php b/module/product/model.php
index 1991697930..092f09204d 100755
--- a/module/product/model.php
+++ b/module/product/model.php
@@ -370,7 +370,7 @@ class productModel extends model
         /* Order by program. */
         return $this->dao->select("t1.*,  IF(INSTR(' closed', t1.status) < 2, 0, 1) AS isClosed")->from(TABLE_PRODUCT)->alias('t1')
             ->leftJoin(TABLE_PROGRAM)->alias('t2')->on('t1.program = t2.id')
-            ->where(1)
+            ->where('1 = 1')
             ->beginIF(strpos($mode, 'all') === false)->andWhere('t1.deleted')->eq(0)->fi()
             ->beginIF($programID)->andWhere('t1.program')->eq($programID)->fi()
             ->beginIF(strpos($mode, 'noclosed') !== false)->andWhere('t1.status')->ne('closed')->fi()
diff --git a/module/user/model.php b/module/user/model.php
index 1c80f50a72..b9e74bb02a 100644
--- a/module/user/model.php
+++ b/module/user/model.php
@@ -41,7 +41,7 @@ class userModel extends model
     public function getList($params = 'nodeleted')
     {
         return $this->dao->select('*')->from(TABLE_USER)
-            ->where(true)
+            ->where('1 = 1')
             ->beginIF(strpos($params, 'all') === false)->andWhere('type')->eq('inside')->fi()
             ->beginIF(strpos($params, 'nodeleted') !== false)->andWhere('deleted')->eq(0)->fi()
             ->orderBy('account')