From fde88d06590971b8bb52fae2fede8fa6096565de Mon Sep 17 00:00:00 2001
From: Nitin <nitinchauhan@hotmail.com>
Date: Tue, 19 Jan 2016 17:28:11 +0530
Subject: [PATCH] if user specified, set transaction isolation level

---
 src/main/java/com/zaxxer/hikari/pool/PoolBase.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/zaxxer/hikari/pool/PoolBase.java b/src/main/java/com/zaxxer/hikari/pool/PoolBase.java
index 7d12d9c0..5d609c58 100644
--- a/src/main/java/com/zaxxer/hikari/pool/PoolBase.java
+++ b/src/main/java/com/zaxxer/hikari/pool/PoolBase.java
@@ -327,7 +327,11 @@ abstract class PoolBase
 
       connection.setReadOnly(isReadOnly);
       connection.setAutoCommit(isAutoCommit);
-      connection.setTransactionIsolation(transactionIsolation);
+
+      if (transactionIsolation != -1) {
+         connection.setTransactionIsolation(transactionIsolation);
+      }
+
       if (catalog != null) {
          connection.setCatalog(catalog);
       }