diff --git a/admin/tool/log/store/database/classes/log/store.php b/admin/tool/log/store/database/classes/log/store.php
index 118fa7c66e7..d484c7c3300 100644
--- a/admin/tool/log/store/database/classes/log/store.php
+++ b/admin/tool/log/store/database/classes/log/store.php
@@ -25,7 +25,7 @@
 namespace logstore_database\log;
 defined('MOODLE_INTERNAL') || die();
 
-class store implements \tool_log\log\writer, \core\log\reader {
+class store implements \tool_log\log\writer, \core\log\sql_select_reader {
     use \tool_log\helper\store,
         \tool_log\helper\reader,
         \tool_log\helper\buffered_writer {
@@ -166,7 +166,7 @@ class store implements \tool_log\log\writer, \core\log\reader {
      *
      * @return array|\core\event\base[] array of events.
      */
-    public function get_events($selectwhere, array $params, $sort, $limitfrom, $limitnum) {
+    public function get_events_select($selectwhere, array $params, $sort, $limitfrom, $limitnum) {
         if (!$this->init()) {
             return array();
         }
@@ -205,7 +205,7 @@ class store implements \tool_log\log\writer, \core\log\reader {
      *
      * @return int Number of events available for the given conditions
      */
-    public function get_events_count($selectwhere, array $params) {
+    public function get_events_select_count($selectwhere, array $params) {
         if (!$this->init()) {
             return 0;
         }
diff --git a/admin/tool/log/store/database/tests/store_test.php b/admin/tool/log/store/database/tests/store_test.php
index e33b5b1c4bb..e71e58e0f67 100644
--- a/admin/tool/log/store/database/tests/store_test.php
+++ b/admin/tool/log/store/database/tests/store_test.php
@@ -150,7 +150,8 @@ class logstore_database_store_testcase extends advanced_testcase {
         $this->assertEquals($data, $log3);
 
         // Test reading.
-        $events = $store->get_events('', array(), 'id', 0, 0);
+        $this->assertSame(3, $store->get_events_select_count('', array()));
+        $events = $store->get_events_select('', array(), 'id', 0, 0);
         $this->assertCount(3, $events);
         $resev1 = array_shift($events);
         array_shift($events);
diff --git a/admin/tool/log/store/legacy/classes/log/store.php b/admin/tool/log/store/legacy/classes/log/store.php
index 0332c467151..d69851a3900 100644
--- a/admin/tool/log/store/legacy/classes/log/store.php
+++ b/admin/tool/log/store/legacy/classes/log/store.php
@@ -26,7 +26,7 @@ namespace logstore_legacy\log;
 
 defined('MOODLE_INTERNAL') || die();
 
-class store implements \tool_log\log\store, \core\log\reader {
+class store implements \tool_log\log\store, \core\log\sql_select_reader {
     use \tool_log\helper\store,
         \tool_log\helper\reader;
 
@@ -42,7 +42,7 @@ class store implements \tool_log\log\store, \core\log\reader {
         'origin'            => 'ip'
     );
 
-    public function get_events($selectwhere, array $params, $sort, $limitfrom, $limitnum) {
+    public function get_events_select($selectwhere, array $params, $sort, $limitfrom, $limitnum) {
         global $DB;
 
         // Replace db field names to make it compatible with legacy log.
@@ -71,7 +71,7 @@ class store implements \tool_log\log\store, \core\log\reader {
         return $events;
     }
 
-    public function get_events_count($selectwhere, array $params) {
+    public function get_events_select_count($selectwhere, array $params) {
         global $DB;
 
         // Replace db field names to make it compatible with legacy log.
diff --git a/admin/tool/log/store/legacy/tests/store_test.php b/admin/tool/log/store/legacy/tests/store_test.php
index 568d963e315..2a1a5fd0ca4 100644
--- a/admin/tool/log/store/legacy/tests/store_test.php
+++ b/admin/tool/log/store/legacy/tests/store_test.php
@@ -49,7 +49,7 @@ class logstore_legacy_store_testcase extends advanced_testcase {
         $this->assertEquals(array('logstore_legacy'), array_keys($stores));
         $store = $stores['logstore_legacy'];
         $this->assertInstanceOf('logstore_legacy\log\store', $store);
-        $this->assertInstanceOf('core\log\reader', $store);
+        $this->assertInstanceOf('core\log\sql_select_reader', $store);
         $this->assertTrue($store->is_logging());
 
         $logs = $DB->get_records('log', array(), 'id ASC');
diff --git a/admin/tool/log/store/standard/classes/log/store.php b/admin/tool/log/store/standard/classes/log/store.php
index 162c827558f..c2dd866b2aa 100644
--- a/admin/tool/log/store/standard/classes/log/store.php
+++ b/admin/tool/log/store/standard/classes/log/store.php
@@ -26,7 +26,7 @@ namespace logstore_standard\log;
 
 defined('MOODLE_INTERNAL') || die();
 
-class store implements \tool_log\log\writer, \core\log\sql_reader {
+class store implements \tool_log\log\writer, \core\log\sql_internal_reader {
     use \tool_log\helper\store,
         \tool_log\helper\buffered_writer,
         \tool_log\helper\reader;
@@ -75,7 +75,7 @@ class store implements \tool_log\log\writer, \core\log\sql_reader {
         $DB->insert_records('logstore_standard_log', $dataobj);
     }
 
-    public function get_events($selectwhere, array $params, $sort, $limitfrom, $limitnum) {
+    public function get_events_select($selectwhere, array $params, $sort, $limitfrom, $limitnum) {
         global $DB;
 
         $events = array();
@@ -100,12 +100,12 @@ class store implements \tool_log\log\writer, \core\log\sql_reader {
         return $events;
     }
 
-    public function get_events_count($selectwhere, array $params) {
+    public function get_events_select_count($selectwhere, array $params) {
         global $DB;
         return $DB->count_records_select('logstore_standard_log', $selectwhere, $params);
     }
 
-    public function get_log_table() {
+    public function get_internal_log_table_name() {
         return 'logstore_standard_log';
     }
 
diff --git a/admin/tool/log/store/standard/tests/store_test.php b/admin/tool/log/store/standard/tests/store_test.php
index f4aee7a7883..2c2ea342148 100644
--- a/admin/tool/log/store/standard/tests/store_test.php
+++ b/admin/tool/log/store/standard/tests/store_test.php
@@ -111,8 +111,13 @@ class logstore_standard_store_testcase extends advanced_testcase {
         $data['realuserid'] = 2;
         $this->assertEquals($data, $log3);
 
+        // Test table exists.
+        $tablename = $store->get_internal_log_table_name();
+        $this->assertTrue($DB->get_manager()->table_exists($tablename));
+
         // Test reading.
-        $events = $store->get_events('', array(), 'id', 0, 0);
+        $this->assertSame(3, $store->get_events_select_count('', array()));
+        $events = $store->get_events_select('', array(), 'id', 0, 0);
         $this->assertCount(3, $events);
         $resev1 = array_shift($events);
         array_shift($events);
diff --git a/admin/tool/log/tests/manager_test.php b/admin/tool/log/tests/manager_test.php
index 6fb1a90b240..1e2e726eee5 100644
--- a/admin/tool/log/tests/manager_test.php
+++ b/admin/tool/log/tests/manager_test.php
@@ -48,24 +48,24 @@ class tool_log_manager_testcase extends advanced_testcase {
         $this->assertCount(2, $stores);
         foreach ($stores as $key => $store) {
             $this->assertInternalType('string', $key);
-            $this->assertInstanceOf('core\log\reader', $store);
+            $this->assertInstanceOf('core\log\sql_select_reader', $store);
         }
 
-        $stores = $manager->get_readers('core\log\sql_reader');
+        $stores = $manager->get_readers('core\log\sql_internal_reader');
         $this->assertInternalType('array', $stores);
         $this->assertCount(1, $stores);
         foreach ($stores as $key => $store) {
             $this->assertInternalType('string', $key);
             $this->assertSame('logstore_standard', $key);
-            $this->assertInstanceOf('core\log\sql_reader', $store);
+            $this->assertInstanceOf('core\log\sql_internal_reader', $store);
         }
 
-        $stores = $manager->get_readers('core\log\reader');
+        $stores = $manager->get_readers('core\log\sql_select_reader');
         $this->assertInternalType('array', $stores);
         $this->assertCount(2, $stores);
         foreach ($stores as $key => $store) {
             $this->assertInternalType('string', $key);
-            $this->assertInstanceOf('core\log\reader', $store);
+            $this->assertInstanceOf('core\log\sql_select_reader', $store);
         }
     }
 }
diff --git a/lib/classes/log/reader.php b/lib/classes/log/reader.php
index 1743ec67b15..53a093c502d 100644
--- a/lib/classes/log/reader.php
+++ b/lib/classes/log/reader.php
@@ -49,27 +49,6 @@ interface reader {
      */
     public function can_access(\context $context);
 
-    /**
-     * Fetch records using given criteria.
-     *
-     * @param string $selectwhere
-     * @param array $params
-     * @param string $sort
-     * @param int $limitfrom
-     * @param int $limitnum
-     * @return \core\event\base[]
-     */
-    public function get_events($selectwhere, array $params, $sort, $limitfrom, $limitnum);
-
-    /**
-     * Return number of events matching given criteria.
-     *
-     * @param string $selectwhere
-     * @param array $params
-     * @return int
-     */
-    public function get_events_count($selectwhere, array $params);
-
     /**
      * Are the new events appearing in the reader?
      *
diff --git a/lib/classes/log/sql_reader.php b/lib/classes/log/sql_internal_reader.php
similarity index 89%
rename from lib/classes/log/sql_reader.php
rename to lib/classes/log/sql_internal_reader.php
index 6ae8ad88675..dbd1b825f6b 100644
--- a/lib/classes/log/sql_reader.php
+++ b/lib/classes/log/sql_internal_reader.php
@@ -18,7 +18,7 @@
  * Log storage sql reader interface.
  *
  * @package    core
- * @copyright  2013 Petr Skoda {@link http://skodak.org}
+ * @copyright  2014 Petr Skoda
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
@@ -26,7 +26,7 @@ namespace core\log;
 
 defined('MOODLE_INTERNAL') || die();
 
-interface sql_reader extends reader {
+interface sql_internal_reader extends sql_select_reader {
 
     /**
      * Returns name of the table or database view that
@@ -37,5 +37,5 @@ interface sql_reader extends reader {
      *
      * @return string
      */
-    public function get_log_table();
+    public function get_internal_log_table_name();
 }
diff --git a/lib/classes/log/sql_select_reader.php b/lib/classes/log/sql_select_reader.php
new file mode 100644
index 00000000000..216399e44d1
--- /dev/null
+++ b/lib/classes/log/sql_select_reader.php
@@ -0,0 +1,50 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Log storage reader interface.
+ *
+ * @package    core
+ * @copyright  2013 Petr Skoda {@link http://skodak.org}
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core\log;
+
+defined('MOODLE_INTERNAL') || die();
+
+interface sql_select_reader extends reader {
+    /**
+     * Fetch records using given criteria.
+     *
+     * @param string $selectwhere
+     * @param array $params
+     * @param string $sort
+     * @param int $limitfrom
+     * @param int $limitnum
+     * @return \core\event\base[]
+     */
+    public function get_events_select($selectwhere, array $params, $sort, $limitfrom, $limitnum);
+
+    /**
+     * Return number of events matching given criteria.
+     *
+     * @param string $selectwhere
+     * @param array $params
+     * @return int
+     */
+    public function get_events_select_count($selectwhere, array $params);
+}