diff --git a/adminer/drivers/mssql.inc.php b/adminer/drivers/mssql.inc.php
index c6f59f66..035efdbf 100644
--- a/adminer/drivers/mssql.inc.php
+++ b/adminer/drivers/mssql.inc.php
@@ -662,10 +662,6 @@ WHERE sys1.xtype = 'TR' AND sys2.name = " . q($table)
 		return array();
 	}
 
-	function is_c_style_escapes() {
-		return false;
-	}
-
 	function show_status() {
 		return array();
 	}
diff --git a/adminer/drivers/mysql.inc.php b/adminer/drivers/mysql.inc.php
index f1ae8a8a..25384825 100644
--- a/adminer/drivers/mysql.inc.php
+++ b/adminer/drivers/mysql.inc.php
@@ -345,6 +345,15 @@ if (!defined("DRIVER")) {
 			}
 		}
 
+		function hasCStyleEscapes() {
+			static $c_style;
+			if ($c_style === null) {
+				$sql_mode = $this->_conn->result("SHOW VARIABLES LIKE 'sql_mode'", 1);
+				$c_style = (strpos($sql_mode, 'NO_BACKSLASH_ESCAPES') === false);
+			}
+			return $c_style;
+		}
+
 	}
 
 
@@ -1070,19 +1079,6 @@ if (!defined("DRIVER")) {
 		return get_key_vals("SHOW VARIABLES");
 	}
 
-	/** Check if C-style escapes are supported
-	* @return bool
-	*/
-	function is_c_style_escapes() {
-		global $connection;
-		static $c_style;
-		if ($c_style === null) {
-			$sql_mode = $connection->result("SHOW VARIABLES LIKE 'sql_mode'", 1);
-			$c_style = (strpos($sql_mode, 'NO_BACKSLASH_ESCAPES') === false);
-		}
-		return $c_style;
-	}
-
 	/** Get process list
 	* @return array [$row]
 	*/
diff --git a/adminer/drivers/oracle.inc.php b/adminer/drivers/oracle.inc.php
index 6ba2607c..65cb4894 100644
--- a/adminer/drivers/oracle.inc.php
+++ b/adminer/drivers/oracle.inc.php
@@ -165,6 +165,11 @@ if (isset($_GET["oracle"])) {
 			}
 			return true;
 		}
+
+		function hasCStyleEscapes() {
+			return true;
+		}
+
 	}
 
 
@@ -484,10 +489,6 @@ AND c_src.TABLE_NAME = " . q($table);
 		return get_key_vals('SELECT name, display_value FROM v$parameter');
 	}
 
-	function is_c_style_escapes() {
-		return true;
-	}
-
 	function process_list() {
 		return get_rows('SELECT sess.process AS "process", sess.username AS "user", sess.schemaname AS "schema", sess.status AS "status", sess.wait_class AS "wait_class", sess.seconds_in_wait AS "seconds_in_wait", sql.sql_text AS "sql_text", sess.machine AS "machine", sess.port AS "port"
 FROM v$session sess LEFT OUTER JOIN v$sql sql
diff --git a/adminer/drivers/pgsql.inc.php b/adminer/drivers/pgsql.inc.php
index 23f62548..a5e6f8e1 100644
--- a/adminer/drivers/pgsql.inc.php
+++ b/adminer/drivers/pgsql.inc.php
@@ -249,6 +249,14 @@ if (isset($_GET["pgsql"])) {
 			}
 		}
 
+		function hasCStyleEscapes() {
+			static $c_style;
+			if ($c_style === null) {
+				$c_style = ($this->_conn->result("SHOW standard_conforming_strings") == "off");
+			}
+			return $c_style;
+		}
+
 	}
 
 
@@ -879,15 +887,6 @@ ORDER BY connamespace, conname"
 		return get_key_vals("SHOW ALL");
 	}
 
-	function is_c_style_escapes() {
-		global $connection;
-		static $c_style;
-		if ($c_style === null) {
-			$c_style = ($connection->result("SHOW standard_conforming_strings") == "off");
-		}
-		return $c_style;
-	}
-
 	function process_list() {
 		return get_rows("SELECT * FROM pg_stat_activity ORDER BY " . (min_version(9.2) ? "pid" : "procpid"));
 	}
diff --git a/adminer/drivers/sqlite.inc.php b/adminer/drivers/sqlite.inc.php
index 239b3042..f206c023 100644
--- a/adminer/drivers/sqlite.inc.php
+++ b/adminer/drivers/sqlite.inc.php
@@ -764,10 +764,6 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
 		return $return;
 	}
 
-	function is_c_style_escapes() {
-		return false;
-	}
-
 	function show_status() {
 		$return = array();
 		foreach (get_vals("PRAGMA compile_options") as $option) {
diff --git a/adminer/include/driver.inc.php b/adminer/include/driver.inc.php
index cf577768..394ab635 100644
--- a/adminer/include/driver.inc.php
+++ b/adminer/include/driver.inc.php
@@ -193,4 +193,11 @@ function get_driver($id) {
 	function tableHelp($name) {
 	}
 
+	/** Check if C-style escapes are supported
+	* @return bool
+	*/
+	function hasCStyleEscapes() {
+		return false;
+	}
+
 }
diff --git a/adminer/sql.inc.php b/adminer/sql.inc.php
index e9587987..fa1d643f 100644
--- a/adminer/sql.inc.php
+++ b/adminer/sql.inc.php
@@ -81,7 +81,7 @@ if (!$error && $_POST) {
 					$offset = $pos + strlen($found);
 
 					if ($found && rtrim($found) != $delimiter) { // find matching quote or comment end
-						$c_style_escapes = is_c_style_escapes() || ($jush == "pgsql" && ($pos > 0 && strtolower($query[$pos - 1]) == "e"));
+						$c_style_escapes = $driver->hasCStyleEscapes() || ($jush == "pgsql" && ($pos > 0 && strtolower($query[$pos - 1]) == "e"));
 
 						$pattern = ($found == '/*' ? '\*/'
 							: ($found == '[' ? ']'