From 13f6ad479fdb2c5c03d9025d6ce6551055b470b2 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Mon, 15 Apr 2013 17:16:20 +0800
Subject: [PATCH] support useLocalSessionState config, default is true

---
 .../druid/pool/DruidPooledConnection.java     | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/main/java/com/alibaba/druid/pool/DruidPooledConnection.java b/src/main/java/com/alibaba/druid/pool/DruidPooledConnection.java
index 47842a2cf6..978d33a4a3 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidPooledConnection.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidPooledConnection.java
@@ -830,6 +830,13 @@ public class DruidPooledConnection extends PoolableWrapper implements javax.sql.
     @Override
     public void setReadOnly(boolean readOnly) throws SQLException {
         checkState();
+        
+        boolean useLocalSessionState = holder.getDataSource().isUseLocalSessionState();
+        if (useLocalSessionState) {
+            if (readOnly == holder.isUnderlyingReadOnly()) {
+                return;
+            }
+        }
 
         conn.setReadOnly(readOnly);
         holder.setUnderlyingReadOnly(readOnly);
@@ -859,6 +866,13 @@ public class DruidPooledConnection extends PoolableWrapper implements javax.sql.
     @Override
     public void setTransactionIsolation(int level) throws SQLException {
         checkState();
+        
+        boolean useLocalSessionState = holder.getDataSource().isUseLocalSessionState();
+        if (useLocalSessionState) {
+            if (level == holder.getUnderlyingTransactionIsolation()) {
+                return;
+            }
+        }
 
         conn.setTransactionIsolation(level);
         holder.setUnderlyingTransactionIsolation(level);
@@ -902,6 +916,13 @@ public class DruidPooledConnection extends PoolableWrapper implements javax.sql.
     @Override
     public void setHoldability(int holdability) throws SQLException {
         checkState();
+        
+        boolean useLocalSessionState = holder.getDataSource().isUseLocalSessionState();
+        if (useLocalSessionState) {
+            if (holdability == holder.getUnderlyingHoldability()) {
+                return;
+            }
+        }
 
         conn.setHoldability(holdability);
         holder.setUnderlyingHoldability(holdability);