Move sequence_name() method into postgres driver class

program/include/rcube_db.php

@@ -416,7 +416,6 @@ class rcube_db
 
     /**
      * Get last inserted record ID
-     * For Postgres databases, a sequence name is required
      *
      * @param string $table Table name (to find the incremented sequence)
      *
@@ -807,28 +806,6 @@ class rcube_db
         return $table;
     }
 
-    /**
-     * Return correct name for a specific database sequence
-     * (used for Postgres only)
-     *
-     * @param string $sequence Secuence name
-     *
-     * @return string Translated sequence name
-     */
-    public function sequence_name($sequence)
-    {
-        $rcube = rcube::get_instance();
-
-        // return sequence name if configured
-        $config_key = 'db_sequence_'.$sequence;
-
-        if ($name = $rcube->config->get($config_key)) {
-            return $name;
-        }
-
-        return $sequence;
-    }
-
     /**
      * MDB2 DSN string parser
      *

program/include/rcube_db_pgsql.php

@@ -33,13 +33,12 @@ class rcube_db_pgsql extends rcube_db
 {
     /**
      * Get last inserted record ID
-     * For Postgres databases, a table name is required
      *
      * @param string $table Table name (to find the incremented sequence)
      *
      * @return mixed ID or false on failure
      */
-    public function insert_id($table = '')
+    public function insert_id($table = null)
     {
         if (!$this->db_connected || $this->db_mode == 'r') {
             return false;
@@ -54,6 +53,27 @@ class rcube_db_pgsql extends rcube_db
         return $id;
     }
 
+    /**
+     * Return correct name for a specific database sequence
+     *
+     * @param string $sequence Secuence name
+     *
+     * @return string Translated sequence name
+     */
+    protected function sequence_name($sequence)
+    {
+        $rcube = rcube::get_instance();
+
+        // return sequence name if configured
+        $config_key = 'db_sequence_'.$sequence;
+
+        if ($name = $rcube->config->get($config_key)) {
+            return $name;
+        }
+
+        return $sequence;
+    }
+
     /**
      * Return SQL statement to convert a field value into a unix timestamp
      *