Package oracle.jdbc.internal

Examples of oracle.jdbc.internal.OraclePreparedStatement

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    public static OraclePreparedStatement unwrapInternal(PreparedStatement stmt) throws SQLException {
        if (stmt instanceof OraclePreparedStatement) {
            return (OraclePreparedStatement) stmt;
        }

        OraclePreparedStatement unwrapped = stmt.unwrap(OraclePreparedStatement.class);

        if (unwrapped == null) {
            LOG.error("can not unwrap statement : " + stmt.getClass());
        }
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    public static OraclePreparedStatement unwrapInternal(PreparedStatement stmt) throws SQLException {
        if (stmt instanceof OraclePreparedStatement) {
            return (OraclePreparedStatement) stmt;
        }

        OraclePreparedStatement unwrapped = stmt.unwrap(OraclePreparedStatement.class);

        if (unwrapped == null) {
            LOG.error("can not unwrap statement : " + stmt.getClass());
        }
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    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();
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Related Classes of oracle.jdbc.internal.OraclePreparedStatement

  • com.alibaba.druid.bvt.pool.TestOraclePrefetch
  • com.alibaba.druid.util.OracleUtils
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