本文整理匯總了Java中java.sql.ResultSet.updateNCharacterStream方法的典型用法代碼示例。如果您正苦於以下問題：Java ResultSet.updateNCharacterStream方法的具體用法？Java ResultSet.updateNCharacterStream怎麽用？Java ResultSet.updateNCharacterStream使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.sql.ResultSet的用法示例。
在下文中一共展示了ResultSet.updateNCharacterStream方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: testUpdateNCharacterStream
import java.sql.ResultSet; //導入方法依賴的package包/類
/**
* Tests for ResultSet.updateNCharacterStream()
*
* @throws Exception
*/
public void testUpdateNCharacterStream() throws Exception {
createTable("testUpdateNCharacterStream", "(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 isn't utf8 here
Connection conn1 = getConnectionWithProps(props1);
PreparedStatement pstmt1 = conn1.prepareStatement("INSERT INTO testUpdateNCharacterStream (c1, c2) VALUES (?, ?)");
pstmt1.setString(1, "1");
pstmt1.setNCharacterStream(2, new StringReader("aaa"), 3);
pstmt1.execute();
Statement stmt1 = conn1.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
ResultSet rs1 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNCharacterStream");
rs1.next();
rs1.updateNCharacterStream("c2", new StringReader("bbb"), 3);
rs1.updateRow();
rs1.moveToInsertRow();
rs1.updateString("c1", "2");
rs1.updateNCharacterStream("c2", new StringReader("ccc"), 3);
rs1.insertRow();
ResultSet rs2 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNCharacterStream");
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("testUpdateNCharacterStream", "(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 testUpdateNCharacterStream (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 testUpdateNCharacterStream");
rs3.next();
try {
rs3.updateNCharacterStream("c2", new StringReader("bbb"), 3); // field's charset isn't utf8
fail();
} catch (SQLException ex) {
assertEquals("Can not call updateNCharacterStream() when field's character set isn't UTF-8", ex.getMessage());
}
rs3.close();
pstmt2.close();
stmt2.close();
conn2.close();
}