Package com.alibaba.druid.pool

Examples of com.alibaba.druid.pool.PreparedStatementHolder

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        final String sql_3 = "select 3";
        final String sql_4 = "select 4";

        Assert.assertEquals(0, stmtPool.size());

        PreparedStatementHolder stmtHoler_0;
        PreparedStatementHolder stmtHoler_1;
        PreparedStatementHolder stmtHoler_2;
        PreparedStatementHolder stmtHoler_3;
        PreparedStatementHolder stmtHoler_4;
       
        // sql_0连续执行两次
        {
            DruidPooledPreparedStatement stmt_0 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_0);

            Assert.assertFalse(stmt_0.getPreparedStatementHolder().isPooling());

            stmt_0.close();
            Assert.assertEquals(1, stmtPool.size());
            Assert.assertTrue(stmt_0.getPreparedStatementHolder().isPooling());
        }
        {
            DruidPooledPreparedStatement stmt_0 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_0);
            Assert.assertEquals(1, stmtPool.size());
            Assert.assertTrue(stmt_0.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_0.getPreparedStatementHolder().isPooling());

            stmt_0.close();

            Assert.assertFalse(stmt_0.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_0.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(1, stmtPool.size());
        }
       
        DruidPooledPreparedStatement stmt_0 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_0);
       
        stmtHoler_0 = stmt_0.getPreparedStatementHolder();
       
        Assert.assertTrue(stmtHoler_0.isInUse());
        Assert.assertTrue(stmtHoler_0.isPooling());
       
        stmt_0.execute();
       
        {
            DruidPooledPreparedStatement stmt_1 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
            Assert.assertEquals(1, stmtPool.size());
           
            stmtHoler_1 = stmt_1.getPreparedStatementHolder();
           
            Assert.assertTrue(stmt_1.getPreparedStatementHolder().isInUse());
            Assert.assertFalse(stmt_1.getPreparedStatementHolder().isPooling());

            stmt_1.close();

            Assert.assertFalse(stmt_1.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_1.getPreparedStatementHolder().isPooling());
            Assert.assertTrue(stmt_1.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(2, stmtPool.size());
        }
       
        Assert.assertTrue(stmtHoler_0.isPooling());
        Assert.assertTrue(stmtHoler_1.isPooling());
       
        {
            DruidPooledPreparedStatement stmt_2 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_2);
            Assert.assertEquals(2, stmtPool.size());
           
            stmtHoler_2 = stmt_2.getPreparedStatementHolder();
           
            Assert.assertTrue(stmt_2.getPreparedStatementHolder().isInUse());
            Assert.assertFalse(stmt_2.getPreparedStatementHolder().isPooling());
           
            stmt_2.close();
           
            Assert.assertFalse(stmt_2.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_2.getPreparedStatementHolder().isPooling());
            Assert.assertTrue(stmt_2.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(3, stmtPool.size());
        }
       
        Assert.assertTrue(stmtHoler_0.isPooling());
        Assert.assertTrue(stmtHoler_1.isPooling());
        Assert.assertTrue(stmtHoler_2.isPooling());
       
        {
            DruidPooledPreparedStatement stmt_3 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_3);
            Assert.assertEquals(3, stmtPool.size());
           
            stmtHoler_3 = stmt_3.getPreparedStatementHolder();
           
            Assert.assertTrue(stmt_3.getPreparedStatementHolder().isInUse());
            Assert.assertFalse(stmt_3.getPreparedStatementHolder().isPooling());
           
            stmt_3.close();
           
            Assert.assertFalse(stmt_3.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_3.getPreparedStatementHolder().isPooling());
            Assert.assertTrue(stmt_3.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(3, stmtPool.size());
        }
       
       
        Assert.assertFalse(stmtHoler_0.isPooling());
        Assert.assertTrue(stmtHoler_1.isPooling());
        Assert.assertTrue(stmtHoler_2.isPooling());
        Assert.assertTrue(stmtHoler_3.isPooling());
       
        {
            DruidPooledPreparedStatement stmt_4 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_4);
            Assert.assertEquals(3, stmtPool.size());
           
            stmtHoler_4 = stmt_4.getPreparedStatementHolder();
           
            Assert.assertTrue(stmt_4.getPreparedStatementHolder().isInUse());
            Assert.assertFalse(stmt_4.getPreparedStatementHolder().isPooling());
           
            stmt_4.close();
           
            Assert.assertFalse(stmt_4.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_4.getPreparedStatementHolder().isPooling());
            Assert.assertTrue(stmt_4.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(3, stmtPool.size());
        }
       
        Assert.assertFalse(stmtHoler_0.isPooling());
        Assert.assertFalse(stmtHoler_1.isPooling());
        Assert.assertTrue(stmtHoler_2.isPooling());
        Assert.assertTrue(stmtHoler_3.isPooling());
        Assert.assertTrue(stmtHoler_4.isPooling());
       
        stmt_0.close();
       
        Assert.assertTrue(stmtHoler_0.isPooling());
        Assert.assertFalse(stmtHoler_1.isPooling());
        Assert.assertFalse(stmtHoler_2.isPooling());
        Assert.assertTrue(stmtHoler_3.isPooling());
        Assert.assertTrue(stmtHoler_4.isPooling());

        conn.close();
    }
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        MockConnection mockConn = new MockConnection();
        DruidConnectionHolder connHolder = new DruidConnectionHolder(dataSource, mockConn);
        DruidPooledConnection conn = new DruidPooledConnection(connHolder);

        raw = new MockPreparedStatement(null, null);
        stmt = new DruidPooledPreparedStatement(conn, new PreparedStatementHolder(new PreparedStatementKey("", null,
                                                                                                           null, 0, 0,
                                                                                                           0), raw)) {

            protected SQLException checkException(Throwable error) throws SQLException {
                if (error instanceof SQLException) {
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    protected void setUp() throws Exception {
        MockConnection mockConn = new MockConnection();
        DruidConnectionHolder connHolder = new DruidConnectionHolder(dataSource, mockConn);
        conn = new DruidPooledConnection(connHolder);
        raw = new MockCallableStatement(null, null);
        stmt = new DruidPooledCallableStatement(conn, new PreparedStatementHolder(new PreparedStatementKey("", null,
                                                                                                           null, 0, 0,
                                                                                                           0), raw)) {

            protected SQLException checkException(Throwable error) throws SQLException {
                if (error instanceof SQLException) {
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        final String sql_0 = "select 0";
        final String sql_1 = "select 1";

        Assert.assertEquals(0, stmtPool.size());

        PreparedStatementHolder stmtHoler_0;
        PreparedStatementHolder stmtHoler_1_A;
        PreparedStatementHolder stmtHoler_1_B;
        PreparedStatementHolder stmtHoler_1_C;

        DruidPooledPreparedStatement stmt_0;
        DruidPooledPreparedStatement stmt_1_A;
        DruidPooledPreparedStatement stmt_1_B;
        DruidPooledPreparedStatement stmt_1_C;
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        MockConnection conn = new MockConnection();
        PreparedStatementKey k1 = new PreparedStatementKey("x1", "c1", MethodType.M1);

        PreparedStatementPool pool = new PreparedStatementPool(new DruidConnectionHolder(dataSource, conn));
        MockPreparedStatement raw = new MockPreparedStatement(null, null);
        pool.put(new PreparedStatementHolder(k1, raw));

        Assert.assertTrue(pool.get(k1) != null);
        Assert.assertTrue(pool.get(k1) != null);
    }
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        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();
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Related Classes of com.alibaba.druid.pool.PreparedStatementHolder

  • com.alibaba.druid.bvt.pool.basic.PoolableCallableStatementTest
  • com.alibaba.druid.bvt.pool.basic.PoolablePreparedStatementTest
  • com.alibaba.druid.bvt.pool.basic.PreparedStatementKeyTest
  • com.alibaba.druid.bvt.pool.PSCacheTest3
  • com.alibaba.druid.bvt.pool.PSCacheTest4
  • com.alibaba.druid.bvt.pool.TestOraclePrefetch
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