/*
* 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.pool;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import junit.framework.TestCase;
import oracle.jdbc.OracleConnection;
import oracle.jdbc.OraclePreparedStatement;
import com.alibaba.druid.util.JdbcUtils;
import com.alibaba.druid.util.OracleUtils;
public class TestOraclePreparedStatement extends TestCase {
private String jdbcUrl;
private String user;
private String password;
private String SQL;
public void setUp() throws Exception {
jdbcUrl = "jdbc:oracle:thin:@a.b.c.d:1521:ocnauto";
// jdbcUrl = "jdbc:oracle:thin:@b.c.d.e:1521:ocnauto"; // error url
user = "alibaba";
password = "ccbuauto";
jdbcUrl = "jdbc:oracle:thin:@a.b.c.d:1521:ointest3";
user = "alibaba";
password = "deYcR7facWSJtCuDpm2r";
SQL = "SELECT * FROM AV_INFO WHERE ID = ?";
Class.forName(JdbcUtils.getDriverClassName(jdbcUrl));
}
public void createTable() throws Exception {
Connection conn = DriverManager.getConnection(jdbcUrl, user, password);
Statement stmt = conn.createStatement();
stmt.execute("DROP TABLE T");
;
stmt.execute("CREATE TABLE T (FID INT, FNAME VARCHAR2(4000), FDESC CLOB)");
;
stmt.close();
conn.close();
}
public void test_0() throws Exception {
Connection conn = DriverManager.getConnection(jdbcUrl, user, password);
OracleConnection oracleConn = (OracleConnection) conn;
// ResultSet metaRs = conn.getMetaData().getTables(null, "ALIBABA", null, new String[] {"TABLE"});
// JdbcUtils.printResultSet(metaRs);
// metaRs.close();
int fetchRowSize = oracleConn.getDefaultRowPrefetch();
// {
// oracleConn.setStatementCacheSize(10);
// oracleConn.setImplicitCachingEnabled(true);
//
// PreparedStatement stmt = conn.prepareStatement(SQL);
// stmt.close();
//
// PreparedStatement stmt2 = conn.prepareStatement(SQL);
// stmt2.close();
// }
OraclePreparedStatement oracleStmt = null;
PreparedStatement stmt = conn.prepareStatement(SQL);
oracleStmt = (OraclePreparedStatement) stmt;
oracleStmt.setRowPrefetch(10);
{
stmt.setInt(1, 327);
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
}
rs.close();
//oracleStmt.clearDefines();
}
for (int i = 0; i < 10; ++i){
OracleUtils.enterImplicitCache(oracleStmt);
OracleUtils.exitImplicitCacheToActive(oracleStmt);
stmt.setInt(1, 327);
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
}
rs.close();
}
oracleStmt.setRowPrefetch(1000);
{
stmt.setInt(1, 11);
ResultSet rs = stmt.executeQuery();
rs.next();
rs.close();
stmt.close();
}
conn.close();
}
}