diff --git a/Tests/dblayerTest.php b/Tests/dblayerTest.php
index c5c86d7..b239d15 100644
--- a/Tests/dblayerTest.php
+++ b/Tests/dblayerTest.php
@@ -16,5 +16,113 @@ class test_dblayer extends PHPUnit_Framework_TestCase
       $dbconfig["tableprefix"] = "";
   }
 
+// Test with column name 'group', 'object', 'where', 'with space'
+// Test with table name 'group', 'object', 'where', 'with space'
+// For the 3 DB engines
 
+  public function test_createTable ()
+  {
+    // Create a table named group
+    $configuration = new configuration ();
+    $dbconfig = $configuration->get ("database");
+    if (! isset ($dbconfig["tableprefix"]))
+      $dbconfig["tableprefix"] = "";
+    $db = new dblayer ($dbconfig["dsn"], $dbconfig["username"],
+                       $dbconfig["password"], $dbconfig["driver_options"]);
+    $db->table = "grouped";
+    $db->fields = array ("group"=>array ("varchar", "255", "not null"),
+                         "object"=>array ("varchar", "255", "not null"),
+                         "where"=>array ("varchar", "255", "not null"),
+                         "with space"=>array ("varchar", "255", "not null"));
+    $res = $db->createTable ();
+    $this->assertSame (0, $res);
+  }
+
+  public function test_insert ()
+  {
+    $configuration = new configuration ();
+    $dbconfig = $configuration->get ("database");
+    if (! isset ($dbconfig["tableprefix"]))
+      $dbconfig["tableprefix"] = "";
+    $db = new dblayer ($dbconfig["dsn"], $dbconfig["username"],
+                       $dbconfig["password"], $dbconfig["driver_options"]);
+    $db->table = "grouped";
+    $db->fields = array ("group"=>array ("varchar", "255", "not null"),
+                         "object"=>array ("varchar", "255", "not null"),
+                         "where"=>array ("varchar", "255", "not null"),
+                         "with space"=>array ("varchar", "255", "not null"));
+    $db->unique = array ();
+    $res = $db->insert (array ("group"=>"gr ou\"p",
+                               "object"=>"/éobj%",
+                               "where"=>"\$'\"",
+                               "with space"=>"with space"));
+    $this->assertSame ("1", $res);
+  }
+
+  public function test_read1 ()
+  {
+    $configuration = new configuration ();
+    $dbconfig = $configuration->get ("database");
+    if (! isset ($dbconfig["tableprefix"]))
+      $dbconfig["tableprefix"] = "";
+    $db = new dblayer ($dbconfig["dsn"], $dbconfig["username"],
+                       $dbconfig["password"], $dbconfig["driver_options"]);
+    $db->table = "grouped";
+    $db->fields = array ("group"=>array ("varchar", "255", "not null"),
+                         "object"=>array ("varchar", "255", "not null"),
+                         "where"=>array ("varchar", "255", "not null"),
+                         "with space"=>array ("varchar", "255", "not null"));
+    $db->unique = array ();
+    $res = $db->read (array (array ("group", "gr ou\"p"),
+                             array ("object","/éobj%"),
+                             array ("where","\$'\""),
+                             array ("with space","with space")));
+    $this->assertSame (array (0=>array ("group"=>"gr ou\"p",
+                                        "object"=>"/éobj%",
+                                        "where"=>"\$'\"",
+                                        "with space"=>"with space")), $res);
+  }
+
+  public function test_update1 ()
+  {
+    $configuration = new configuration ();
+    $dbconfig = $configuration->get ("database");
+    if (! isset ($dbconfig["tableprefix"]))
+      $dbconfig["tableprefix"] = "";
+    $db = new dblayer ($dbconfig["dsn"], $dbconfig["username"],
+                       $dbconfig["password"], $dbconfig["driver_options"]);
+    $db->table = "grouped";
+    $db->fields = array ("group"=>array ("varchar", "255", "not null"),
+                         "object"=>array ("varchar", "255", "not null"),
+                         "where"=>array ("varchar", "255", "not null"),
+                         "with space"=>array ("varchar", "255", "not null"));
+    $db->unique = array ();
+    $db->primary = "group";
+    $db->update ("gr ou\"p", array ("object"=>"%éàoppp",
+                                    "with space"=>"WITH SPACE"));
+  }
+
+  public function test_read2 ()
+  {
+    $configuration = new configuration ();
+    $dbconfig = $configuration->get ("database");
+    if (! isset ($dbconfig["tableprefix"]))
+      $dbconfig["tableprefix"] = "";
+    $db = new dblayer ($dbconfig["dsn"], $dbconfig["username"],
+                       $dbconfig["password"], $dbconfig["driver_options"]);
+    $db->table = "grouped";
+    $db->fields = array ("group"=>array ("varchar", "255", "not null"),
+                         "object"=>array ("varchar", "255", "not null"),
+                         "where"=>array ("varchar", "255", "not null"),
+                         "with space"=>array ("varchar", "255", "not null"));
+    $db->unique = array ();
+    $res = $db->read (array (array ("group", "gr ou\"p"),
+                             array ("object","%éàoppp"),
+                             array ("where","\$'\""),
+                             array ("with space","WITH SPACE")));
+    $this->assertSame (array (0=>array ("group"=>"gr ou\"p",
+                                        "object"=>"%éàoppp",
+                                        "where"=>"\$'\"",
+                                        "with space"=>"WITH SPACE")), $res);
+  }
 }
diff --git a/dblayer.php b/dblayer.php
index efba1b1..291b01f 100644
--- a/dblayer.php
+++ b/dblayer.php
@@ -60,65 +60,6 @@ class dblayer extends PDO
   /** The connecting DSN */
   private $dsn = null;
 
-  /** Return the connected database name from DSN used to connect */
-  public function databasename ()
-  {
-    if ($this->db === null)
-      throw new Exception (dgettext("domframework", "Database not connected"), 500);
-    $vals = explode (";", substr (strstr ($this->dsn, ":"), 1));
-    $dsnExplode = array ();
-    foreach ($vals as $val)
-    {
-      @list ($k, $v) = explode ("=", $val);
-      $dsnExplode[$k] = $v;
-    }
-    if (isset ($dsnExplode["dbname"]))
-      return $dsnExplode["dbname"];
-    return NULL;
-  }
-
-  /** Return all the tables available in the database */
-  public function listTables ()
-  {
-    if ($this->db === null)
-      throw new Exception (dgettext("domframework", "Database not connected"), 500);
-    switch ($this->db->getAttribute(PDO::ATTR_DRIVER_NAME))
-    {
-    case "sqlite":
-      $req = "SELECT name FROM sqlite_master WHERE type='table'";
-      $st = $this->db->prepare ($req);
-      $st->execute ();
-      $res = array ();
-      while ($d = $st->fetch (PDO::FETCH_ASSOC))
-        $res[] = $d["name"];
-      break;
-    case "mysql":
-      $req = "SELECT TABLE_NAME
-              FROM information_schema.tables
-              WHERE TABLE_SCHEMA='".$this->databasename()."'";
-      $st = $this->db->prepare ($req);
-      $st->execute ();
-      $res = array ();
-      while ($d = $st->fetch (PDO::FETCH_ASSOC))
-        $res[] = $d["TABLE_NAME"];
-      break;
-    case "pgsql":
-      $req = "SELECT *
-              FROM pg_tables
-              WHERE schemaname = 'public'";
-      $st = $this->db->prepare ($req);
-      $st->execute ();
-      $res = array ();
-      while ($d = $st->fetch (PDO::FETCH_ASSOC))
-        $res[] = $d["tablename"];
-      break;
-    default:
-      throw new Exception (dgettext("domframework",
-                           "Unknown database driver in listTables"), 500);
-    }
-    return $res;
-  }
-
   // TODO !!
   /** Create Table creation from $this->fields with engine abstraction
       Example in sqlite3 id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
@@ -161,11 +102,12 @@ class dblayer extends PDO
       // Look at the right to write in database and in the directory
       $file = substr ($dsn, 7);
       if (! is_writeable (dirname ($file)))
-        throw new Exception (
-                      _("The directory for SQLite database is write protected"),
-                      500);
+        throw new Exception (dgettext("domframework",
+                        "The directory for SQLite database is write protected"),
+                        500);
       if (file_exists ($file) && ! is_writeable ($file))
-        throw new Exception (_("The SQLite database file is write protected"),
+        throw new Exception (dgettext("domframework",
+                             "The SQLite database file is write protected"),
                              500);
       if (function_exists ("posix_getuid") &&
           fileowner ($file) === posix_getuid ())
@@ -177,6 +119,67 @@ class dblayer extends PDO
     $this->dsn = $dsn;
   }
 
+  /** Return the connected database name from DSN used to connect */
+  public function databasename ()
+  {
+    if ($this->db === null)
+      throw new Exception (dgettext("domframework", "Database not connected"),
+                           500);
+    $vals = explode (";", substr (strstr ($this->dsn, ":"), 1));
+    $dsnExplode = array ();
+    foreach ($vals as $val)
+    {
+      @list ($k, $v) = explode ("=", $val);
+      $dsnExplode[$k] = $v;
+    }
+    if (isset ($dsnExplode["dbname"]))
+      return $dsnExplode["dbname"];
+    return NULL;
+  }
+
+  /** Return all the tables available in the database */
+  public function listTables ()
+  {
+    if ($this->db === null)
+      throw new Exception (dgettext("domframework", "Database not connected"),
+                           500);
+    switch ($this->db->getAttribute(PDO::ATTR_DRIVER_NAME))
+    {
+    case "sqlite":
+      $req = "SELECT name FROM sqlite_master WHERE type='table'";
+      $st = $this->db->prepare ($req);
+      $st->execute ();
+      $res = array ();
+      while ($d = $st->fetch (PDO::FETCH_ASSOC))
+        $res[] = $d["name"];
+      break;
+    case "mysql":
+      $req = "SELECT TABLE_NAME
+              FROM information_schema.tables
+              WHERE TABLE_SCHEMA='".$this->databasename()."'";
+      $st = $this->db->prepare ($req);
+      $st->execute ();
+      $res = array ();
+      while ($d = $st->fetch (PDO::FETCH_ASSOC))
+        $res[] = $d["TABLE_NAME"];
+      break;
+    case "pgsql":
+      $req = "SELECT *
+              FROM pg_tables
+              WHERE schemaname = 'public'";
+      $st = $this->db->prepare ($req);
+      $st->execute ();
+      $res = array ();
+      while ($d = $st->fetch (PDO::FETCH_ASSOC))
+        $res[] = $d["tablename"];
+      break;
+    default:
+      throw new Exception (dgettext("domframework",
+                           "Unknown database driver in listTables"), 500);
+    }
+    return $res;
+  }
+
   /** Create a new entry in the table. Datas must be an indexed array
       @param array $datas Datas to be recorded (column=>value)
       @obsolete 0.5 */
@@ -190,11 +193,14 @@ class dblayer extends PDO
   public function insert ($datas)
   {
     if ($this->db === null)
-      throw new Exception (_("Database not connected"), 500);
+      throw new Exception (dgettext("domframework", "Database not connected"),
+                           500);
     if ($this->unique === null)
-      throw new Exception (_("Unique fields of table are not defined"), 500);
+      throw new Exception (dgettext("domframework",
+                           "Unique fields of table are not defined"), 500);
     if (!is_array ($datas))
-      throw new Exception (_("The datas provided to create are not array"),
+      throw new Exception (dgettext("domframework",
+                           "The datas provided to create are not array"),
                            405);
     if (!in_array ($this->primary, $this->unique))
       $this->unique[] = $this->primary;
@@ -205,10 +211,12 @@ class dblayer extends PDO
       if (in_array ("autoincrement", $params))
         $datas[$key] = null;
       if (in_array ("not null", $params) && !array_key_exists ($key, $datas))
-        throw new Exception (sprintf (_("Mandatory field '%s' not provided"),
+        throw new Exception (sprintf (dgettext("domframework",
+                                      "Mandatory field '%s' not provided"),
                                       $key), 405);
       if (in_array ("not null", $params) && $datas[$key] === "")
-        throw new Exception (sprintf (_("Mandatory field '%s' is empty"),
+        throw new Exception (sprintf (dgettext("domframework",
+                                      "Mandatory field '%s' is empty"),
                                       $key), 405);
       if (!array_key_exists ($key, $datas))
         continue;
@@ -221,19 +229,22 @@ class dblayer extends PDO
       {
         if (strspn ($datas[$key], "0123456789") !== strlen ($datas[$key]))
           throw new Exception (sprintf (
-                            _("Errors in consistency : '%s' is not an integer"),
+                            dgettext("domframework",
+                            "Errors in consistency : '%s' is not an integer"),
                             $key), 405);
       }
       elseif ($datas[$key] !== "" && $params[0] === "varchar")
       {
         if (! isset ($params[1]))
           throw new Exception (sprintf (
-                          _("The length of varchar field '%s' is not provided"),
+                          dgettext("domframework",
+                          "The length of varchar field '%s' is not provided"),
                           $key), 500);
         if (strlen ($datas[$key]) > $params[1])
           throw new Exception (sprintf (
-                             _("Errors in consistency : '%s' data is too long"),
-                             $key), 405);
+                               dgettext("domframework",
+                               "Errors in consistency : '%s' data is too long"),
+                               $key), 405);
       }
       elseif ($datas[$key] !== "" && $params[0] === "datetime")
       {
@@ -241,8 +252,9 @@ class dblayer extends PDO
         $d = DateTime::createFromFormat("Y-m-d H:i:s", $datas[$key]);
         if (!$d || $d->format("Y-m-d H:i:s") !== $datas[$key])
           throw new Exception (sprintf (
-                                _("Incorrect datetime provided for field '%s'"),
-                                $key), 500);
+                               dgettext("domframework",
+                               "Incorrect datetime provided for field '%s'"),
+                               $key), 500);
       }
       elseif ($datas[$key] !== "" && $params[0] === "date")
       {
@@ -250,11 +262,13 @@ class dblayer extends PDO
         $d = DateTime::createFromFormat("Y-m-d", $datas[$key]);
         if (!$d || $d->format("Y-m-d") !== $datas[$key])
           throw new Exception (sprintf (
-                                    _("Incorrect date provided for field '%s'"),
-                                    $key), 500);
+                               dgettext("domframework",
+                               "Incorrect date provided for field '%s'"),
+                               $key), 500);
       }
       elseif ($datas[$key] !== "")
-        throw new Exception (sprintf (_("Unknown field type for '%s'"), $key),
+        throw new Exception (sprintf (dgettext("domframework",
+                             "Unknown field type for '%s'"), $key),
                              500);
       else
       {
@@ -266,7 +280,7 @@ class dblayer extends PDO
     // Check for inconsistency
     $verify = $this->verifyAll ($datas);
     if (count ($verify))
-      throw new Exception (_("Errors in consistency : ").
+      throw new Exception (dgettext("domframework", "Errors in consistency : ").
                            print_r ($verify, TRUE), 405);
 
     // Check if the unique constrain is valid before doing the insertion
@@ -283,8 +297,9 @@ class dblayer extends PDO
         $rc = $this->read ($select, array ($this->primary));
         if (count ($rc) > 0)
           throw new Exception (sprintf (
-                       _("The provided values for columns '%s' already exists"),
-                       implode (",", $columns)), 405);
+                               dgettext("domframework",
+                         "The provided values for columns '%s' already exists"),
+                               implode (",", $columns)), 405);
       }
       else
       {
@@ -293,8 +308,9 @@ class dblayer extends PDO
                            array ($this->primary));
         if (count ($rc) > 0)
           throw new Exception (sprintf (
-                         _("The column '%s' with this value already exists"),
-                         $columns), 405);
+                               dgettext("domframework",
+                              "The column '%s' with this value already exists"),
+                               $columns), 405);
       }
     }
 
@@ -304,23 +320,23 @@ class dblayer extends PDO
       $table = $data[0];
       $column = $data[1];
       $req = "SELECT $column FROM `$this->tableprefix$table` ".
-             "WHERE $column=:$column";
+             "WHERE \"$column\"=:".md5 ($column);
       if ($this->debug) echo "DEBUG : $req\n";
       $st = $this->db->prepare ($req);
       $val = $datasOK[$foreign];
       $key = $column;
-      if ($this->debug) echo "DEBUG BIND : $column->".var_export ($val, TRUE).
-                             "\n";
+      if ($this->debug) echo "DEBUG BIND : $column(".md5 ($column)."->".
+                             var_export ($val, TRUE)."\n";
       if ($val === null)
-        $st->bindValue (":$key", $val, PDO::PARAM_NULL);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_NULL);
       elseif ($this->fields[$key][0] === "integer")
-        $st->bindValue (":$key", $val, PDO::PARAM_INT);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_INT);
       elseif ($this->fields[$key][0] === "varchar")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       elseif ($this->fields[$key][0] === "datetime")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       elseif ($this->fields[$key][0] === "date")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       else
         throw new Exception ("TO BE DEVELOPPED : ".$this->fields[$key][0], 500);
       $st->execute ();
@@ -328,29 +344,35 @@ class dblayer extends PDO
       while ($d = $st->fetch (PDO::FETCH_ASSOC))
         $res[] = $d;
       if (count ($res) === 0)
-        throw new Exception (sprintf (_("The foreign key '%s' doesn't exists"),
+        throw new Exception (sprintf (dgettext("domframework",
+                                      "The foreign key '%s' doesn't exists"),
                                       $column), 405);
     }
 
+    $binds = array_keys ($datasOK);
+    array_walk ($binds, function(&$value, $key) {
+      $value = md5 ($value);
+    });
     $req = "INSERT INTO `$this->tableprefix$this->table` ";
-    $req .= "(".implode (",", array_keys ($datasOK)).")";
+    $req .= "(\"".implode ("\",\"", array_keys ($datasOK))."\")";
     $req .= " VALUES ";
-    $req .= "(:".implode (",:", array_keys ($datasOK)).")";
+    $req .= "(:".implode (",:", $binds).")";
     if ($this->debug) echo "DEBUG : $req\n";
     $st = $this->db->prepare ($req);
     foreach ($datasOK as $key=>$val)
     {
-      if ($this->debug) echo "DEBUG BIND : $key->".var_export ($val, TRUE)."\n";
+      if ($this->debug) echo "DEBUG BIND : $key(".md5 ($key).")->".
+                             var_export ($val, TRUE)."\n";
       if ($val === null)
-        $st->bindValue (":$key", $val, PDO::PARAM_NULL);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_NULL);
       elseif ($this->fields[$key][0] === "integer")
-        $st->bindValue (":$key", $val, PDO::PARAM_INT);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_INT);
       elseif ($this->fields[$key][0] === "varchar")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       elseif ($this->fields[$key][0] === "datetime")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       elseif ($this->fields[$key][0] === "date")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       else
         throw new Exception ("TO BE DEVELOPPED : ".$this->fields[$key][0], 500);
     }
@@ -375,22 +397,27 @@ class dblayer extends PDO
                         $whereOr=false)
   {
     if ($this->db === null)
-      throw new Exception (_("Database not connected"), 500);
+      throw new Exception (dgettext("domframework", "Database not connected"),
+                           500);
     if ($select !== null && !is_array ($select))
-      throw new Exception (_("Select information provided is not an array"),
+      throw new Exception (dgettext("domframework",
+                           "Select information provided is not an array"),
                            405);
     if ($display !== null && !is_array ($display))
-      throw new Exception (_("Display information provided is not an array"),
+      throw new Exception (dgettext("domframework",
+                           "Display information provided is not an array"),
                            405);
     if ($order !== null && !is_array ($order))
-      throw new Exception (_("Order information provided is not an array"),
+      throw new Exception (dgettext("domframework",
+                           "Order information provided is not an array"),
                            405);
     if ($display !== null)
     {
       foreach ($display as $f)
       {
         if (!in_array ($f, array_keys ($this->fields)))
-          throw new Exception (sprintf (_("Field '%s' not allowed"), $f), 506);
+          throw new Exception (sprintf (dgettext("domframework",
+                               "Field '%s' not allowed"), $f), 506);
       }
     }
     else
@@ -398,9 +425,9 @@ class dblayer extends PDO
       $display = array_keys ($this->fields);
     }
 
-    $req = "SELECT ";
-    $req .= implode (",", $display);
-    $req .= " FROM `$this->tableprefix$this->table`";
+    $req = "SELECT \"";
+    $req .= implode ("\",\"", $display);
+    $req .= "\" FROM `$this->tableprefix$this->table`";
     if ($select !== null)
     {
       $req .= " WHERE ";
@@ -415,7 +442,14 @@ class dblayer extends PDO
         }
         if (!isset ($s[2]))
           $s[2] = "=";
-        $req .= " ".$s[0]." ".$s[2]." :".$s[0];
+        if (!isset ($s[0]))
+          throw new Exception (sprintf (dgettext("domframework",
+                               "Select not found for id=%d"), $n), 500);
+        // The double-quotes are added for sqlite to escape the column if its
+        // name is 'group'
+        // Don't put single quotes : don't work with SQLite
+        // TODO : Test for PostgreSQL (Tested for SQLite and MySQL)
+        $req .= " \"".$s[0]."\" ".$s[2]." :".md5 ($s[0]);
       }
     }
 
@@ -435,18 +469,32 @@ class dblayer extends PDO
     }
 
     if ($this->debug) echo "DEBUG : $req\n";
-    $st = $this->db->prepare ($req);
+    try
+    {
+      $st = $this->db->prepare ($req);
+    }
+    catch (Exception $e)
+{
+      if ($this->debug) echo "DEBUG : PREPARE ERROR ! Return FALSE".
+         $e->getMessage()."\n";
+      throw new Exception ($e->getMessage(), 500);     
+    }
+
     if ($select !== NULL)
     {
       foreach ($select as $s)
       {
-        if ($this->debug) echo "DEBUG BIND : ".$s[0]."->".
+        if ($this->debug) echo "DEBUG BIND : ".$s[0]."(".md5 ($s[0]).")->".
                                var_export ($s[1], TRUE)."\n";
-        $st->bindValue (":".$s[0], $s[1]);
+        $st->bindValue (":".md5 ($s[0]), $s[1]);
       }
     }
 
-    $st->execute ();
+    $rc = $st->execute ();
+    if ($rc === false)
+    {
+      if ($this->debug) echo "DEBUG : EXECUTE ERROR ! Return FALSE\n";
+    }
     $res = array ();
     while ($d = $st->fetch (PDO::FETCH_ASSOC))
       $res[] = $d;
@@ -461,7 +509,12 @@ class dblayer extends PDO
   public function update ($updatekey, $datas)
   {
     if ($this->db === null)
-      throw new Exception (_("Database not connected"), 500);
+      throw new Exception (dgettext("domframework", "Database not connected"),
+                           500);
+    if (count ($this->fields) === 0)
+      throw new Exception (dgettext("domframework", "No Field defined"), 500);
+    if ($this->primary === null)
+      throw new Exception (dgettext("domframework", "No Primary defined"), 500);
     $datasOK = array ();
     // Check for missing parameters
     foreach ($this->fields as $key=>$params)
@@ -475,19 +528,22 @@ class dblayer extends PDO
       {
         if (strspn ($datas[$key], "0123456789") !== strlen ($datas[$key]))
           throw new Exception (sprintf (
-                            _("Errors in consistency : '%s' is not an integer"),
-                            $key), 405);
+                               dgettext("domframework",
+                              "Errors in consistency : '%s' is not an integer"),
+                               $key), 405);
       }
       elseif ($datas[$key] !== "" && $params[0] === "varchar")
       {
         if (! isset ($params[1]))
           throw new Exception (sprintf (
-                          _("The length of varchar field '%s' is not provided"),
-                          $key), 500);
+                               dgettext("domframework",
+                            "The length of varchar field '%s' is not provided"),
+                               $key), 500);
         if (strlen ($datas[$key]) > $params[1])
           throw new Exception (sprintf (
-                             _("Errors in consistency : '%s' data is too long"),
-                             $key), 405);
+                               dgettext("domframework",
+                               "Errors in consistency : '%s' data is too long"),
+                               $key), 405);
       }
       elseif ($datas[$key] !== "" && $params[0] === "datetime")
       {
@@ -495,8 +551,9 @@ class dblayer extends PDO
         $d = DateTime::createFromFormat("Y-m-d H:i:s", $datas[$key]);
         if (!$d || $d->format("Y-m-d H:i:s") !== $datas[$key])
           throw new Exception (sprintf (
-                                _("Incorrect datetime provided for field '%s'"),
-                                $key), 500);
+                               dgettext("domframework",
+                               "Incorrect datetime provided for field '%s'"),
+                               $key), 500);
       }
       elseif ($datas[$key] !== "" && $params[0] === "date")
       {
@@ -504,11 +561,13 @@ class dblayer extends PDO
         $d = DateTime::createFromFormat("Y-m-d", $datas[$key]);
         if (!$d || $d->format("Y-m-d") !== $datas[$key])
           throw new Exception (sprintf (
-                                    _("Incorrect date provided for field '%s'"),
-                                    $key), 500);
+                               dgettext("domframework",
+                               "Incorrect date provided for field '%s'"),
+                               $key), 500);
       }
       elseif ($datas[$key] !== "")
-        throw new Exception (sprintf (_("Unknown field type for '%s'"), $key),
+        throw new Exception (sprintf (dgettext("domframework",
+                             "Unknown field type for '%s'"), $key),
                              500);
       else
       {
@@ -519,7 +578,8 @@ class dblayer extends PDO
     }
 
     if (count ($datasOK) === 0)
-      throw new Exception (_("Don't receive any field to display"), 501);
+      throw new Exception (dgettext("domframework",
+                           "Don't receive any field to display"), 501);
 
     // Check for type inconsistencies before using $datasOK
     foreach ($datasOK as $key=>$params)
@@ -533,7 +593,8 @@ class dblayer extends PDO
     // 1. Read the actual state
     $before = $this->read (array (array ($this->primary, $updatekey)));
     if (count ($before) === 0)
-      throw new Exception (_("Entry to modify unavailable"), 404);
+      throw new Exception (dgettext("domframework",
+                           "Entry to modify unavailable"), 404);
     $before = reset ($before);
     // 2. Map the proposal entries into the before state
     $after = $before;
@@ -560,8 +621,9 @@ class dblayer extends PDO
           $rc = $this->read ($select, array ($this->primary));
           if (count ($rc) > 0)
             throw new Exception (sprintf (
-                       _("The provided values for columns '%s' already exists"),
-                       implode (",", $columns)), 405);
+                                 dgettext("domframework",
+                         "The provided values for columns '%s' already exists"),
+                                 implode (",", $columns)), 405);
         }
       }
       else
@@ -576,8 +638,9 @@ class dblayer extends PDO
                            array ($this->primary));
         if (count ($rc) > 0)
           throw new Exception (sprintf (
-                _("An entry already exists with this value in the column '%s'"),
-                $columns), 405);
+                               dgettext("domframework",
+                  "An entry already exists with this value in the column '%s'"),
+                               $columns), 405);
       }
     }
 
@@ -591,23 +654,24 @@ class dblayer extends PDO
       $table = $data[0];
       $column = $data[1];
       $req = "SELECT $column FROM `$this->tableprefix$table` ".
-             "WHERE $column=:$column";
+             "WHERE \"$column\"=:".md5 ($column);
       if ($this->debug) echo "DEBUG : $req\n";
       $st = $this->db->prepare ($req);
       $val = $datasOK[$foreign];
       $key = $column;
-      if ($this->debug) echo "DEBUG BIND : $column->".var_export ($val, TRUE).
+      if ($this->debug) echo "DEBUG BIND : $column(".md5 ($column).")->".
+                             var_export ($val, TRUE).
                              "\n";
       if ($val === null)
-        $st->bindValue (":$key", $val, PDO::PARAM_NULL);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_NULL);
       elseif ($this->fields[$key][0] === "integer")
-        $st->bindValue (":$key", $val, PDO::PARAM_INT);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_INT);
       elseif ($this->fields[$key][0] === "varchar")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       elseif ($this->fields[$key][0] === "datetime")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       elseif ($this->fields[$key][0] === "date")
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       else
         throw new Exception ("TO BE DEVELOPPED : ".$this->fields[$key][0], 500);
       $st->execute ();
@@ -615,7 +679,8 @@ class dblayer extends PDO
       while ($d = $st->fetch (PDO::FETCH_ASSOC))
         $res[] = $d;
       if (count ($res) === 0)
-        throw new Exception (sprintf (_("The foreign key '%s' doesn't exists"),
+        throw new Exception (sprintf (dgettext("domframework",
+                                      "The foreign key '%s' doesn't exists"),
                                       $column), 405);
     }
 
@@ -625,40 +690,41 @@ class dblayer extends PDO
     foreach ($datasOK as $key=>$val)
     {
       if ($i>0) $req .= ",";
-      $req .= "$key=:$key";
+      $req .= "\"$key\"=:".md5 ($key);
       $i++;
     }
 
-    $req .= " WHERE $this->primary=:$this->primary";
+    $req .= " WHERE \"$this->primary\"=:".md5 ($this->primary);
     if ($this->debug) echo "DEBUG : $req\n";
     $st = $this->db->prepare ($req);
     foreach ($datasOK as $key=>$val)
     {
-      if ($this->debug) echo "DEBUG BIND : $key->".var_export ($val, TRUE)." ";
+      if ($this->debug) echo "DEBUG BIND : $key(".md5 ($key).")->".
+                             var_export ($val, TRUE)." ";
       if ($val === null)
       {
         if ($this->debug) echo "(null)\n";
-        $st->bindValue (":$key", $val, PDO::PARAM_NULL);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_NULL);
       }
       elseif ($this->fields[$key][0] === "integer")
       {
         if ($this->debug) echo "(integer)\n";
-        $st->bindValue (":$key", $val, PDO::PARAM_INT);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_INT);
       }
       elseif ($this->fields[$key][0] === "varchar")
       {
         if ($this->debug) echo "(varchar)\n";
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       }
       elseif ($this->fields[$key][0] === "datetime")
       {
         if ($this->debug) echo "(datetime)\n";
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       }
       elseif ($this->fields[$key][0] === "date")
       {
         if ($this->debug) echo "(date)\n";
-        $st->bindValue (":$key", $val, PDO::PARAM_STR);
+        $st->bindValue (":".md5 ($key), $val, PDO::PARAM_STR);
       }
       else
       {
@@ -677,7 +743,7 @@ class dblayer extends PDO
   public function delete ($deletekey)
   {
     if ($this->db === null)
-      throw new Exception (_("Database not connected"));
+      throw new Exception (dgettext("domframework", "Database not connected"));
     $req = "DELETE FROM `$this->tableprefix$this->table` ";
     $req .= "WHERE $this->primary = :primary";
     $st = $this->db->prepare ($req);
@@ -692,6 +758,8 @@ class dblayer extends PDO
   /** Translation of fields */
   public function titles ()
   {
+    if (count ($this->fields) === 0)
+      throw new Exception (dgettext("domframework", "No Field defined"), 500);
     $arr = array ();
     foreach ($this->fields as $field=>$v)
       $arr[$field] = $field;
@@ -702,7 +770,7 @@ class dblayer extends PDO
   public function dropTable ()
   {
     if ($this->db === null)
-      throw new Exception (_("Database not connected"));
+      throw new Exception (dgettext("domframework", "Database not connected"));
     switch ($this->db->getAttribute(PDO::ATTR_DRIVER_NAME))
     {
     case "sqlite":
@@ -715,7 +783,8 @@ class dblayer extends PDO
       $sql = "DROP TABLE `$this->tableprefix$this->table`";
       break;
     default:
-      throw new Exception (sprintf (_("Unknown DB engine for drop table '%s'"),
+      throw new Exception (sprintf (dgettext("domframework",
+                           "Unknown DB engine for drop table '%s'"),
                            $this->db->getAttribute(PDO::ATTR_DRIVER_NAME)),
                            500);
     }
@@ -743,7 +812,10 @@ class dblayer extends PDO
   public function createTable ()
   {
     if ($this->db === null)
-      throw new Exception (_("Database not connected"), 500);
+      throw new Exception (dgettext("domframework", "Database not connected"),
+                           500);
+    if (count ($this->fields) === 0)
+      throw new Exception (dgettext("domframework", "No Field defined"), 500);
     switch ($this->db->getAttribute(PDO::ATTR_DRIVER_NAME))
     {
     case "sqlite":
@@ -758,8 +830,9 @@ class dblayer extends PDO
         // Type of field : in $params[0]
         if (!isset ($params[0]))
           throw new Exception (sprintf (
-                                   _("No database type defined for field '%s'"),
-                                   $field), 500);
+                               dgettext("domframework",
+                               "No database type defined for field '%s'"),
+                               $field), 500);
 
         switch ($params[0])
         {
@@ -769,7 +842,8 @@ class dblayer extends PDO
           break;
         case "varchar":
           if (!isset ($params[1]))
-            throw new Exception (_("No Size provided for varchar field"), 500);
+            throw new Exception (dgettext("domframework",
+                                 "No Size provided for varchar field"), 500);
           $sql .= "VARCHAR(".$params[1].")";
           $params  = array_slice ($params, 2);
           break;
@@ -783,8 +857,9 @@ class dblayer extends PDO
           break;
         default:
           throw new Exception (sprintf (
-                                 _("Unknown type '%s' provided for field '%s'"),
-                                 $params[0], $field), 500);
+                               dgettext("domframework",
+                               "Unknown type '%s' provided for field '%s'"),
+                               $params[0], $field), 500);
         }
         // Primary key
         if ($this->primary === $field)
@@ -800,7 +875,8 @@ class dblayer extends PDO
           case "not null": $sql .= " NOT NULL"; break;
           case "autoincrement": $sql .= " AUTOINCREMENT";break;
           default:
-            throw new Exception (_("Unknown additionnal parameter for field"),
+            throw new Exception (dgettext("domframework",
+                                 "Unknown additionnal parameter for field"),
                                  500);
           }
         }
@@ -810,7 +886,8 @@ class dblayer extends PDO
       if ($this->unique !== null)
       {
         if (!is_array ($this->unique))
-          throw new Exception (_("The Unique field definition is not an array"),
+          throw new Exception (dgettext("domframework",
+                               "The Unique field definition is not an array"),
                                500);
         foreach ($this->unique as $u)
         {
@@ -845,7 +922,8 @@ class dblayer extends PDO
         $sql .= "`$field` ";
         // Type of field : in $params[0]
         if (!isset ($params[0]))
-          throw new Exception (_("No database type defined for field"), 500);
+          throw new Exception (dgettext("domframework",
+                               "No database type defined for field"), 500);
         switch ($params[0])
         {
         case "integer":
@@ -854,7 +932,8 @@ class dblayer extends PDO
           break;
         case "varchar":
           if (!isset ($params[1]))
-            throw new Exception (_("No Size provided for varchar field"), 500);
+            throw new Exception (dgettext("domframework",
+                                 "No Size provided for varchar field"), 500);
           $sql .= "VARCHAR(".$params[1].")";
           $params  = array_slice ($params, 2);
           break;
@@ -868,8 +947,9 @@ class dblayer extends PDO
           break;
         default:
           throw new Exception (sprintf (
-                                      _("Unknown type provided for field '%s'"),
-                                      $field), 500);
+                               dgettext("domframework",
+                               "Unknown type provided for field '%s'"),
+                               $field), 500);
         }
         // Primary key
         if ($this->primary === $field)
@@ -886,8 +966,9 @@ class dblayer extends PDO
           case "autoincrement": $sql .= " AUTO_INCREMENT";break;
           default:
             throw new Exception (sprintf (
-                              _("Unknown additionnal parameter for field '%s'"),
-                              $field), 500);
+                                 dgettext("domframework",
+                                "Unknown additionnal parameter for field '%s'"),
+                                 $field), 500);
           }
         }
         $i ++;
@@ -935,8 +1016,9 @@ class dblayer extends PDO
           // Type of field : in $params[0]
           if (!isset ($params[0]))
             throw new Exception (sprintf (
-                                   _("No database type defined for field '%s'"),
-                                   $field), 500);
+                                 dgettext("domframework",
+                                 "No database type defined for field '%s'"),
+                                 $field), 500);
           switch ($params[0])
           {
           case "integer":
@@ -946,7 +1028,8 @@ class dblayer extends PDO
           case "varchar":
             if (!isset ($params[1]))
               throw new Exception (sprintf (
-                                   _("No Size provided for varchar field '%s'"),
+                                   dgettext("domframework",
+                                   "No Size provided for varchar field '%s'"),
                                    $field), 500);
             $sql .= "VARCHAR(".$params[1].")";
             $params  = array_slice ($params, 2);
@@ -961,8 +1044,9 @@ class dblayer extends PDO
           break;
           default:
             throw new Exception (sprintf (
-                                      _("Unknown type provided for field '%s'"),
-                                      $field), 500);
+                                 dgettext("domframework",
+                                 "Unknown type provided for field '%s'"),
+                                 $field), 500);
           }
           // Primary key
           if ($this->primary === $field)
@@ -978,8 +1062,9 @@ class dblayer extends PDO
             case "not null": $sql .= " NOT NULL"; break;
             default:
               throw new Exception (sprintf (
-                              _("Unknown additionnal parameter for field '%s'"),
-                              $field), 500);
+                                   dgettext("domframework",
+                                "Unknown additionnal parameter for field '%s'"),
+                                   $field), 500);
             }
           }
         }
@@ -1013,7 +1098,8 @@ class dblayer extends PDO
       $sql .=")";
       break;
     default:
-      throw new Exception (_("PDO Engine not supported in dbLayer"), 500);
+      throw new Exception (dgettext("domframework",
+                           "PDO Engine not supported in dbLayer"), 500);
     }
 
     if ($this->debug)