/*
* Copyright 1999-2011 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.druid.bvt.pool;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import org.junit.Assert;
import junit.framework.TestCase;
import oracle.jdbc.OracleConnection;
import oracle.jdbc.internal.OraclePreparedStatement;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.PreparedStatementHolder;
import com.alibaba.druid.test.util.OracleMockDriver;
import com.alibaba.druid.util.JdbcUtils;
public class TestOraclePrefetch extends TestCase {
private DruidDataSource dataSource;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setOracle(true);
dataSource.setUrl("jdbc:mock:xxx");
dataSource.setDriver(new OracleMockDriver());
dataSource.setPoolPreparedStatements(true);
dataSource.setConnectionProperties("defaultRowPrefetch=50");
// dataSource.setFilters("log4j");
}
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
}
public void test_oracle() throws Exception {
String sql = "SELECT 1";
OracleConnection oracleConn;
OraclePreparedStatement oracleStmt;
PreparedStatementHolder stmtHolder;
{
Connection conn = dataSource.getConnection();
{
oracleConn = conn.unwrap(OracleConnection.class);
Assert.assertEquals(50, oracleConn.getDefaultRowPrefetch());
}
PreparedStatement stmt = conn.prepareStatement(sql);
oracleStmt = stmt.unwrap(OraclePreparedStatement.class);
Assert.assertEquals(50, oracleStmt.getRowPrefetch());
Assert.assertTrue(stmt.isWrapperFor(PreparedStatementHolder.class));
stmtHolder = stmt.unwrap(PreparedStatementHolder.class);
Assert.assertNotNull(stmtHolder);
Assert.assertEquals(0, stmtHolder.getHitCount());
ResultSet rs = stmt.executeQuery();
rs.next();
rs.close();
stmt.close();
conn.close();
}
{
Connection conn = dataSource.getConnection();
{
OracleConnection oracleConn2 = conn.unwrap(OracleConnection.class);
Assert.assertEquals(50, oracleConn2.getDefaultRowPrefetch());
Assert.assertSame(oracleConn, oracleConn2);
}
PreparedStatement stmt = conn.prepareStatement(sql);
{
PreparedStatementHolder stmtHolder2 = stmt.unwrap(PreparedStatementHolder.class);
Assert.assertSame(stmtHolder2, stmtHolder);
Assert.assertEquals(1, stmtHolder.getHitCount());
}
ResultSet rs = stmt.executeQuery();
rs.next();
rs.close();
stmt.close();
{
OraclePreparedStatement oracleStmt2 = stmt.unwrap(OraclePreparedStatement.class);
Assert.assertSame(oracleStmt, oracleStmt2);
Assert.assertEquals(2, oracleStmt.getRowPrefetch());
}
conn.close();
}
Assert.assertEquals(1, dataSource.getCachedPreparedStatementCount());
}
}