java.sql.ResultSet#updateNString ( )源码实例Demo

下面列出了java.sql.ResultSet#updateNString ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： sharding-jdbc-1.5.1 文件： UnsupportedUpdateOperationResultSetTest.java

@Test(expected = SQLFeatureNotSupportedException.class)
public void assertUpdateNStringForColumnIndex() throws SQLException {
    for (ResultSet each : resultSets) {
        each.updateNString(1, "");
    }
}

源代码2 项目： sharding-jdbc-1.5.1 文件： UnsupportedUpdateOperationResultSetTest.java

@Test(expected = SQLFeatureNotSupportedException.class)
public void assertUpdateNStringForColumnLabel() throws SQLException {
    for (ResultSet each : resultSets) {
        each.updateNString("label", "");
    }
}

源代码3 项目： r-course 文件： StatementsTest.java

/**
 * Tests for ResultSet.updateNString()
 * 
 * @throws Exception
 */
public void testUpdateNString() throws Exception {
    createTable("testUpdateNString", "(c1 CHAR(10) PRIMARY KEY, c2 NATIONAL CHARACTER(10)) default character set sjis");
    Properties props1 = new Properties();
    props1.put("useServerPrepStmts", "true"); // use server-side prepared statement
    props1.put("characterEncoding", "UTF-8"); // ensure charset is utf8 here
    Connection conn1 = getConnectionWithProps(props1);
    PreparedStatement pstmt1 = conn1.prepareStatement("INSERT INTO testUpdateNString (c1, c2) VALUES (?, ?)");
    pstmt1.setString(1, "1");
    pstmt1.setNString(2, "aaa");
    pstmt1.execute();
    Statement stmt1 = conn1.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
    ResultSet rs1 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs1.next();
    rs1.updateNString("c2", "bbb");
    rs1.updateRow();
    rs1.moveToInsertRow();
    rs1.updateString("c1", "2");
    rs1.updateNString("c2", "ccc");
    rs1.insertRow();
    ResultSet rs2 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs2.next();
    assertEquals("1", rs2.getString("c1"));
    assertEquals("bbb", rs2.getNString("c2"));
    rs2.next();
    assertEquals("2", rs2.getString("c1"));
    assertEquals("ccc", rs2.getNString("c2"));
    pstmt1.close();
    stmt1.close();
    conn1.close();

    createTable("testUpdateNString", "(c1 CHAR(10) PRIMARY KEY, c2 CHAR(10)) default character set sjis"); // sjis field
    Properties props2 = new Properties();
    props2.put("useServerPrepStmts", "true"); // use server-side prepared statement
    props2.put("characterEncoding", "SJIS"); // ensure charset isn't utf8 here
    Connection conn2 = getConnectionWithProps(props2);
    PreparedStatement pstmt2 = conn2.prepareStatement("INSERT INTO testUpdateNString (c1, c2) VALUES (?, ?)");
    pstmt2.setString(1, "1");
    pstmt2.setString(2, "aaa");
    pstmt2.execute();
    Statement stmt2 = conn2.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
    ResultSet rs3 = stmt2.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs3.next();
    try {
        rs3.updateNString("c2", "bbb"); // field's charset isn't utf8
        fail();
    } catch (SQLException ex) {
        assertEquals("Can not call updateNString() when field's character set isn't UTF-8", ex.getMessage());
    }
    rs3.close();
    pstmt2.close();
    stmt2.close();
    conn2.close();
}

源代码4 项目： Komondor 文件： StatementsTest.java

/**
 * Tests for ResultSet.updateNString()
 * 
 * @throws Exception
 */
public void testUpdateNString() throws Exception {
    createTable("testUpdateNString", "(c1 CHAR(10) PRIMARY KEY, c2 NATIONAL CHARACTER(10)) default character set sjis");
    Properties props1 = new Properties();
    props1.put("useServerPrepStmts", "true"); // use server-side prepared statement
    props1.put("characterEncoding", "UTF-8"); // ensure charset is utf8 here
    Connection conn1 = getConnectionWithProps(props1);
    PreparedStatement pstmt1 = conn1.prepareStatement("INSERT INTO testUpdateNString (c1, c2) VALUES (?, ?)");
    pstmt1.setString(1, "1");
    pstmt1.setNString(2, "aaa");
    pstmt1.execute();
    Statement stmt1 = conn1.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
    ResultSet rs1 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs1.next();
    rs1.updateNString("c2", "bbb");
    rs1.updateRow();
    rs1.moveToInsertRow();
    rs1.updateString("c1", "2");
    rs1.updateNString("c2", "ccc");
    rs1.insertRow();
    ResultSet rs2 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs2.next();
    assertEquals("1", rs2.getString("c1"));
    assertEquals("bbb", rs2.getNString("c2"));
    rs2.next();
    assertEquals("2", rs2.getString("c1"));
    assertEquals("ccc", rs2.getNString("c2"));
    pstmt1.close();
    stmt1.close();
    conn1.close();

    createTable("testUpdateNString", "(c1 CHAR(10) PRIMARY KEY, c2 CHAR(10)) default character set sjis"); // sjis field
    Properties props2 = new Properties();
    props2.put("useServerPrepStmts", "true"); // use server-side prepared statement
    props2.put("characterEncoding", "SJIS"); // ensure charset isn't utf8 here
    Connection conn2 = getConnectionWithProps(props2);
    PreparedStatement pstmt2 = conn2.prepareStatement("INSERT INTO testUpdateNString (c1, c2) VALUES (?, ?)");
    pstmt2.setString(1, "1");
    pstmt2.setString(2, "aaa");
    pstmt2.execute();
    Statement stmt2 = conn2.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
    ResultSet rs3 = stmt2.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs3.next();
    try {
        rs3.updateNString("c2", "bbb"); // field's charset isn't utf8
        fail();
    } catch (SQLException ex) {
        assertEquals("Can not call updateNString() when field's character set isn't UTF-8", ex.getMessage());
    }
    rs3.close();
    pstmt2.close();
    stmt2.close();
    conn2.close();
}

源代码5 项目： shardingsphere 文件： UnsupportedUpdateOperationResultSetTest.java

@Test(expected = SQLFeatureNotSupportedException.class)
public void assertUpdateNStringForColumnIndex() throws SQLException {
    for (ResultSet each : resultSets) {
        each.updateNString(1, "");
    }
}

源代码6 项目： shardingsphere 文件： UnsupportedUpdateOperationResultSetTest.java

@Test(expected = SQLFeatureNotSupportedException.class)
public void assertUpdateNStringForColumnLabel() throws SQLException {
    for (ResultSet each : resultSets) {
        each.updateNString("label", "");
    }
}

源代码7 项目： FoxTelem 文件： StatementsTest.java

/**
 * Tests for ResultSet.updateNString()
 * 
 * @throws Exception
 */
public void testUpdateNString() throws Exception {
    createTable("testUpdateNString", "(c1 CHAR(10) PRIMARY KEY, c2 NATIONAL CHARACTER(10)) default character set sjis");
    Properties props1 = new Properties();
    props1.setProperty(PropertyKey.useServerPrepStmts.getKeyName(), "true"); // use server-side prepared statement
    props1.setProperty(PropertyKey.characterEncoding.getKeyName(), "UTF-8"); // ensure charset is utf8 here
    Connection conn1 = getConnectionWithProps(props1);
    PreparedStatement pstmt1 = conn1.prepareStatement("INSERT INTO testUpdateNString (c1, c2) VALUES (?, ?)");
    pstmt1.setString(1, "1");
    pstmt1.setNString(2, "aaa");
    pstmt1.execute();
    Statement stmt1 = conn1.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
    ResultSet rs1 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs1.next();
    rs1.updateNString("c2", "bbb");
    rs1.updateRow();
    rs1.moveToInsertRow();
    rs1.updateString("c1", "2");
    rs1.updateNString("c2", "ccc");
    rs1.insertRow();
    ResultSet rs2 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs2.next();
    assertEquals("1", rs2.getString("c1"));
    assertEquals("bbb", rs2.getNString("c2"));
    rs2.next();
    assertEquals("2", rs2.getString("c1"));
    assertEquals("ccc", rs2.getNString("c2"));
    pstmt1.close();
    stmt1.close();
    conn1.close();

    createTable("testUpdateNString", "(c1 CHAR(10) PRIMARY KEY, c2 CHAR(10)) default character set sjis"); // sjis field
    Properties props2 = new Properties();
    props2.setProperty(PropertyKey.useServerPrepStmts.getKeyName(), "true"); // use server-side prepared statement
    props2.setProperty(PropertyKey.characterEncoding.getKeyName(), "SJIS"); // ensure charset isn't utf8 here
    Connection conn2 = getConnectionWithProps(props2);
    PreparedStatement pstmt2 = conn2.prepareStatement("INSERT INTO testUpdateNString (c1, c2) VALUES (?, ?)");
    pstmt2.setString(1, "1");
    pstmt2.setString(2, "aaa");
    pstmt2.execute();
    Statement stmt2 = conn2.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
    ResultSet rs3 = stmt2.executeQuery("SELECT c1, c2 FROM testUpdateNString");
    rs3.next();
    try {
        rs3.updateNString("c2", "bbb"); // field's charset isn't utf8
        fail();
    } catch (SQLException ex) {
        assertEquals("Can not call updateNString() when field's character set isn't UTF-8", ex.getMessage());
    }
    rs3.close();
    pstmt2.close();
    stmt2.close();
    conn2.close();
}

方法所在类

java.sql.ResultSet