From b3580211c7d4f63b3fe6ec16c5d4be9ea6c40b23 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Mon, 8 Jun 2015 00:26:20 +0800
Subject: [PATCH] bug fixed for PGValidConnectionChecker

---
 .../com/alibaba/druid/pool/vendor/PGValidConnectionChecker.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/alibaba/druid/pool/vendor/PGValidConnectionChecker.java b/src/main/java/com/alibaba/druid/pool/vendor/PGValidConnectionChecker.java
index 465ff55fef..0bbc71fd8d 100644
--- a/src/main/java/com/alibaba/druid/pool/vendor/PGValidConnectionChecker.java
+++ b/src/main/java/com/alibaba/druid/pool/vendor/PGValidConnectionChecker.java
@@ -35,7 +35,7 @@ public class PGValidConnectionChecker extends ValidConnectionCheckerAdapter impl
 
     private static final Log  LOG                  = LogFactory.getLog(PGValidConnectionChecker.class);
 
-    private String            defaultValidateQuery = "SELECT 'x' FROM DUAL";
+    private String            defaultValidateQuery = "SELECT 'x'";
 
     public PGValidConnectionChecker(){
         configFromProperties(System.getProperties());