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Code Issues Releases Wiki Activity

bug fixed for sharedPreparedStatement

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This commit is contained in:
温少
2012-05-10 15:47:09 +08:00
parent 6641086507
commit 4dc8a4336f
7 changed files with 283 additions and 23 deletions
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src/test/java/com/alibaba/druid/bvt/pool/PSCacheTest.java
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package com.alibaba.druid.bvt.pool;
import java.sql.Connection;
import java.sql.PreparedStatement;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidPooledPreparedStatement;
import com.alibaba.druid.util.JdbcUtils;
public class PSCacheTest extends TestCase {
private DruidDataSource dataSource;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:x1");
dataSource.setPoolPreparedStatements(true);
dataSource.setMaxOpenPreparedStatements(10);
}
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
}
public void test_noTxn() throws Exception {
Connection conn = dataSource.getConnection();
String sql = "select 1";
PreparedStatement stmt0 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt0 = (DruidPooledPreparedStatement) stmt0;
stmt0.close();
PreparedStatement stmt1 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt1 = (DruidPooledPreparedStatement) stmt1;
Assert.assertEquals(1, pooledStmt1.getPreparedStatementHolder().getInUseCount());
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt0.getPreparedStatementHolder()); // same
PreparedStatement stmt2 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt2 = (DruidPooledPreparedStatement) stmt2;
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt2.getPreparedStatementHolder()); // not same
stmt1.close();
stmt2.close();
conn.close();
}
public void test_txn() throws Exception {
Connection conn = dataSource.getConnection();
conn.setAutoCommit(false);
String sql = "select 1";
PreparedStatement stmt0 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt0 = (DruidPooledPreparedStatement) stmt0;
stmt0.close();
PreparedStatement stmt1 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt1 = (DruidPooledPreparedStatement) stmt1;
Assert.assertEquals(1, pooledStmt1.getPreparedStatementHolder().getInUseCount());
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt0.getPreparedStatementHolder()); // same
PreparedStatement stmt2 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt2 = (DruidPooledPreparedStatement) stmt2;
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt2.getPreparedStatementHolder()); // not same
stmt1.close();
stmt2.close();
conn.close();
}
}
src/test/java/com/alibaba/druid/bvt/pool/PSCacheTest1.java
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package com.alibaba.druid.bvt.pool;
import java.sql.Connection;
import java.sql.PreparedStatement;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidPooledPreparedStatement;
import com.alibaba.druid.util.JdbcUtils;
public class PSCacheTest1 extends TestCase {
private DruidDataSource dataSource;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:x1");
dataSource.setPoolPreparedStatements(true);
dataSource.setMaxOpenPreparedStatements(10);
}
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
}
public void test_noTxn() throws Exception {
{
Connection conn = dataSource.getConnection();
String sql = "select 1";
PreparedStatement stmt0 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt0 = (DruidPooledPreparedStatement) stmt0;
stmt0.close();
PreparedStatement stmt1 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt1 = (DruidPooledPreparedStatement) stmt1;
Assert.assertEquals(1, pooledStmt1.getPreparedStatementHolder().getInUseCount());
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt0.getPreparedStatementHolder()); // same
PreparedStatement stmt2 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt2 = (DruidPooledPreparedStatement) stmt2;
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt2.getPreparedStatementHolder()); // not
// same
conn.close();
}
{
Connection conn = dataSource.getConnection();
conn.setAutoCommit(false);
String sql = "select 1";
PreparedStatement stmt0 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt0 = (DruidPooledPreparedStatement) stmt0;
stmt0.close();
PreparedStatement stmt1 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt1 = (DruidPooledPreparedStatement) stmt1;
Assert.assertEquals(1, pooledStmt1.getPreparedStatementHolder().getInUseCount());
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt0.getPreparedStatementHolder()); // same
PreparedStatement stmt2 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt2 = (DruidPooledPreparedStatement) stmt2;
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt2.getPreparedStatementHolder()); // not
// same
stmt1.close();
stmt2.close();
conn.close();
}
}
}
src/test/java/com/alibaba/druid/bvt/pool/PSCacheTest2.java
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package com.alibaba.druid.bvt.pool;
import java.sql.Connection;
import java.sql.PreparedStatement;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidPooledPreparedStatement;
import com.alibaba.druid.util.JdbcUtils;
public class PSCacheTest2 extends TestCase {
private DruidDataSource dataSource;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:x1");
dataSource.setPoolPreparedStatements(true);
dataSource.setMaxOpenPreparedStatements(10);
dataSource.setSharePreparedStatements(true);
}
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
}
public void test_0() throws Exception {
Connection conn = dataSource.getConnection();
String sql = "select 1";
{
PreparedStatement stmt = conn.prepareStatement(sql);
stmt.close();
}
PreparedStatement stmt0 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt0 = (DruidPooledPreparedStatement) stmt0;
Assert.assertEquals(1, pooledStmt0.getPreparedStatementHolder().getInUseCount());
PreparedStatement stmt1 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt1 = (DruidPooledPreparedStatement) stmt1;
Assert.assertSame(pooledStmt0.getPreparedStatementHolder(), pooledStmt1.getPreparedStatementHolder());
stmt0.close();
stmt1.close();
conn.close();
}
public void test_txn() throws Exception {
Connection conn = dataSource.getConnection();
conn.setAutoCommit(true);
String sql = "select 1";
{
PreparedStatement stmt = conn.prepareStatement(sql);
stmt.close();
}
PreparedStatement stmt0 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt0 = (DruidPooledPreparedStatement) stmt0;
Assert.assertEquals(1, pooledStmt0.getPreparedStatementHolder().getInUseCount());
PreparedStatement stmt1 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt1 = (DruidPooledPreparedStatement) stmt1;
Assert.assertSame(pooledStmt0.getPreparedStatementHolder(), pooledStmt1.getPreparedStatementHolder());
stmt0.close();
stmt1.close();
conn.close();
}
}