diff --git a/DatabasePdoPgsql.php b/DatabasePdoPgsql.php
index 5de80da..e9208bb 100644
--- a/DatabasePdoPgsql.php
+++ b/DatabasePdoPgsql.php
@@ -3,8 +3,8 @@
 /**
  * PDO/PostgreSQL wrapper with (mostly) DatabaseMySQL interface :)
  * Select builder is inspired by MediaWiki's one.
- * Version: 2019-12-28
- * (c) Vitaliy Filippov, 2015-2019
+ * Version: 2020-02-18
+ * (c) Vitaliy Filippov, 2015-2020
  */
 
 if (!defined('MS_HASH'))
@@ -48,6 +48,7 @@ class DatabasePdoPgsql implements Database
     var $beginHook;
     var $ondestroy = 'commit';
 
+    var $pgVersion;
     var $queryCount = 0;
     var $link;
     var $transactions = array();
@@ -67,7 +68,7 @@ class DatabasePdoPgsql implements Database
      *     username     Username
      *     password     Password
      *     tableNames   Table name mappings (virtual => real)
-     *     queryLogFile Path to query log file
+     *     queryLogFile Path to query log file or 'error_log' to log via error_log()
      *     reconnect    Whether to reconnect on idle timeout    [true]
      *     autoBegin    Whether to automatically begin a transaction of first query [false]
      *     beginHook    Callback to call when starting a transaction
@@ -124,6 +125,7 @@ class DatabasePdoPgsql implements Database
         }
         try
         {
+            $this->pgVersion = NULL;
             $this->link = new PDO($str, $this->username, $this->password, array(
                 PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                 PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
@@ -139,6 +141,16 @@ class DatabasePdoPgsql implements Database
         $this->transactions = array();
     }
 
+    function getPgVersion()
+    {
+        if (!$this->pgVersion)
+        {
+            // Версия в формате целого числа, типа 90600
+            $this->pgVersion = $this->select('show server_version_num', MS_VALUE);
+        }
+        return $this->pgVersion;
+    }
+
     function getDBName()
     {
         return $this->dbname;
@@ -179,16 +191,22 @@ class DatabasePdoPgsql implements Database
         if ($this->autoBegin && !$this->transactions)
             $this->begin();
         $this->queryCount++;
-        if ($this->queryLogFile)
-        {
-            if (strlen($sql) <= 100)
-                $sql = preg_replace("/\n\s*/", ' ', $sql);
-            $t = substr(floatval(microtime()), 1, 7);
-            file_put_contents($this->queryLogFile, date("[Y-m-d H:i:s$t] ").$sql."\n", FILE_APPEND);
-        }
         retry: try
         {
+            if ($this->queryLogFile)
+                $start = microtime(true);
             $r = $this->link->query($sql);
+            if ($this->queryLogFile)
+            {
+                $end = microtime(true);
+                if (strlen($sql) <= 100)
+                    $sql = preg_replace("/\n\s*/", ' ', $sql);
+                $t = substr($start-intval($start), 1);
+                if ($this->queryLogFile === 'error_log')
+                    error_log(sprintf("%.03f s ", $end-$start).$sql);
+                else
+                    file_put_contents($this->queryLogFile, date("[Y-m-d H:i:s$t] ").sprintf("%.03f s ", $end-$start).$sql."\n", FILE_APPEND);
+            }
         }
         catch (Exception $e)
         {
@@ -198,7 +216,12 @@ class DatabasePdoPgsql implements Database
                 goto retry;
             }
             if ($this->queryLogFile)
-                file_put_contents($this->queryLogFile, date("[Y-m-d H:i:s] ")."Error: $e\n---- Query: $sql\n", FILE_APPEND);
+            {
+                if ($this->queryLogFile === 'error_log')
+                    error_log("Error: $e\n---- Query: $sql");
+                else
+                    file_put_contents($this->queryLogFile, date("[Y-m-d H:i:s] ")."Error: $e\n---- Query: $sql\n", FILE_APPEND);
+            }
             throw $e;
         }
         return $r;