5 files changed, 22 insertions, 13 deletions
diff --git a/admin/stats.php b/admin/stats.php
index 1ce07649a..cab13c744 100644
--- a/admin/stats.php
+++ b/admin/stats.php
@@ -116,7 +116,7 @@ check_status(ACCESS_ADMINISTRATOR);
 $query = '
 SELECT
     date,
-    hour(time) AS hour,
+    '.pwg_db_get_hour('time').' AS hour,
     MAX(id) AS max_id,
     COUNT(*) AS nb_pages
   FROM '.HISTORY_TABLE.'
diff --git a/include/dblayer/functions_mysql.inc.php b/include/dblayer/functions_mysql.inc.php
index 3160e1902..5e0c4dcd4 100644
--- a/include/dblayer/functions_mysql.inc.php
+++ b/include/dblayer/functions_mysql.inc.php
@@ -580,6 +580,11 @@ SELECT '.pwg_db_get_recent_period_expression($period);
   return $d;
 }
 
+function pwg_db_get_hour($date) 
+{
+  return 'hour('.$date.')';
+}
+
 function pwg_db_get_date_YYYYMM($date)
 {
   return 'DATE_FORMAT('.$date.', \'%Y%m\')';
diff --git a/include/dblayer/functions_pdo-sqlite.inc.php b/include/dblayer/functions_pdo-sqlite.inc.php
index 365083f0c..2f1727e75 100644
--- a/include/dblayer/functions_pdo-sqlite.inc.php
+++ b/include/dblayer/functions_pdo-sqlite.inc.php
@@ -46,7 +46,6 @@ function pwg_db_connect($host, $user, $password, $database)
   }
 
   $link->sqliteCreateFunction('now', 'pwg_now', 0);
-  $link->sqliteCreateFunction('hour', 'pwg_hour', 1);
   $link->sqliteCreateFunction('unix_timestamp', 'pwg_unix_timestamp', 0);
   $link->sqliteCreateFunction('md5', 'md5', 1);
   $link->sqliteCreateFunction('if', 'pwg_if', 3);
@@ -502,6 +501,12 @@ function pwg_db_get_recent_period($period, $date='CURRENT_DATE')
   return $d;
 }
 
+function pwg_db_get_hour($date)
+{
+  return 'strftime(\'%H\', '.$date.')';
+}
+
+
 function pwg_db_get_date_YYYYMM($date)
 {
   return 'strftime(\'%Y%m\','.$date.')';
@@ -571,11 +576,6 @@ function pwg_now()
   return date('Y-m-d H:i:s');
 }
 
-function pwg_hour($datetime)
-{
-  return strftime('%H', $datetime);
-}
-
 function pwg_unix_timestamp()
 {
   return time();
diff --git a/include/dblayer/functions_pgsql.inc.php b/include/dblayer/functions_pgsql.inc.php
index 6492e82ef..8a300b7ad 100644
--- a/include/dblayer/functions_pgsql.inc.php
+++ b/include/dblayer/functions_pgsql.inc.php
@@ -544,6 +544,11 @@ function pwg_db_get_recent_period($period, $date='CURRENT_DATE')
   return $d;
 }
 
+function pwg_db_get_hour($date)
+{
+  return 'EXTRACT(HOUR FROM '.$date.')';
+}
+
 function pwg_db_get_date_YYYYMM($date)
 {
   return 'TO_CHAR('.$date.', \'YYYYMM\')';
diff --git a/include/dblayer/functions_sqlite.inc.php b/include/dblayer/functions_sqlite.inc.php
index 72f539c92..7a33b09a2 100644
--- a/include/dblayer/functions_sqlite.inc.php
+++ b/include/dblayer/functions_sqlite.inc.php
@@ -55,7 +55,6 @@ function pwg_db_connect($host, $user, $password, $database)
   }
 
   $link->createFunction('now', 'pwg_now', 0);
-  $link->createFunction('hour', 'pwg_hour', 1);
   $link->createFunction('unix_timestamp', 'pwg_unix_timestamp', 0);
   $link->createFunction('md5', 'md5', 1);
   $link->createFunction('if', 'pwg_if', 3);
@@ -514,6 +513,11 @@ function pwg_db_get_recent_period($period, $date='CURRENT_DATE')
   return $d;
 }
 
+function pwg_db_get_hour($date)
+{
+  return 'strftime(\'%H\', '.$date.')';
+}
+
 function pwg_db_get_date_YYYYMM($date)
 {
   return 'strftime(\'%Y%m\','.$date.')';
@@ -583,11 +587,6 @@ function pwg_now()
   return date('Y-m-d H:i:s');
 }
 
-function pwg_hour($datetime)
-{
-  return strftime('%H', $datetime);
-}
-
 function pwg_unix_timestamp()
 {
   return time();