setTransactionIsolation on JDBC Connection only called when actually necessary (for PostgreSQL; SPR-7184)

This commit is contained in:
Juergen Hoeller 2010-05-11 13:14:53 +00:00
parent 15fe75b1a1
commit 853eab8b4c
1 changed files with 7 additions and 5 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2008 the original author or authors.
* Copyright 2002-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -19,7 +19,6 @@ package org.springframework.jdbc.datasource;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.DataSource;
import org.apache.commons.logging.Log;
@ -170,9 +169,12 @@ public abstract class DataSourceUtils {
logger.debug("Changing isolation level of JDBC Connection [" + con + "] to " +
definition.getIsolationLevel());
}
previousIsolationLevel = con.getTransactionIsolation();
int currentIsolation = con.getTransactionIsolation();
if (currentIsolation != definition.getIsolationLevel()) {
previousIsolationLevel = currentIsolation;
con.setTransactionIsolation(definition.getIsolationLevel());
}
}
return previousIsolationLevel;
}
@ -193,7 +195,7 @@ public abstract class DataSourceUtils {
logger.debug("Resetting isolation level of JDBC Connection [" +
con + "] to " + previousIsolationLevel);
}
con.setTransactionIsolation(previousIsolationLevel.intValue());
con.setTransactionIsolation(previousIsolationLevel);
}
// Reset read-only flag.