本文整理汇总了Java中java.sql.ResultSet.previous方法的典型用法代码示例。如果您正苦于以下问题：Java ResultSet.previous方法的具体用法？Java ResultSet.previous怎么用？Java ResultSet.previous使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.sql.ResultSet的用法示例。
在下文中一共展示了ResultSet.previous方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: initialize
import java.sql.ResultSet; //导入方法依赖的package包/类
@Override
public void initialize(URL arg0, ResourceBundle arg1) {
try {
myConn = DriverManager.getConnection("jdbc:mysql://localhost:3306/gui_assignment?autoReconnect=true&useSSL=false", "root", "root");
stmt = myConn.createStatement();
ResultSet rs = stmt.executeQuery("select Temperature_Reading from temp_values");
values = new int[rs.last() ? rs.getRow() : 0];
int[] temp = {10000,100000,500000};
noOfTempReadings = temp;
rs.setFetchDirection(ResultSet.FETCH_REVERSE);
rs.next();
int i = values.length-1;
while (rs.previous()) {
values[i--] = rs.getInt("Temperature_Reading");
}
} catch (SQLException e) {
e.printStackTrace();
System.err.println("DATABASE CONNECT ERROR");
System.exit(1);
}
System.out.println("No. of entries in database = "+values.length);
ObservableList<String> pivotValues = FXCollections.observableArrayList("n/2","n/4","n/6");
pivotSelect.setItems(pivotValues);
pivotSelect.setValue("n/2");
pivotSelect.setDisable(true);
ObservableList<Integer> baseValues = FXCollections.observableArrayList(2,10,16);
base.setItems(baseValues);
base.setValue(10);
base.setDisable(true);
btnViewGraph.setDisable(true);
}
示例2: ensureTableColumns
import java.sql.ResultSet; //导入方法依赖的package包/类
/**
* ensures that a given table has columns with a given name
*/
private void ensureTableColumns(String tableName,
String[] columnNames) throws SQLException {
ResultSet res = m_connection.getMetaData().getColumns(null, null,
tableName, "%");
while (res.next()) {
assertEquals(
"unexpected column name in table \"" + tableName
+ "\" at position "
+ (res.getRow() - 1), res.getString(
"COLUMN_NAME"), columnNames[res.getRow() - 1]);
}
res.previous();
assertEquals("not enough columns in table \"" + tableName + "\"",
columnNames.length, res.getRow());
}
示例3: testSecretResultSet03
import java.sql.ResultSet; //导入方法依赖的package包/类
@Test
public void testSecretResultSet03() throws Exception {
cleanInsert(Paths.get("src/test/resources/data/setup", "testExecuteQuery.ltsv"));
try (SqlAgent agent = config.agent()) {
SqlContext ctx = agent.contextFrom("example/select_product").param("product_id", new BigDecimal(0));
ctx.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE);
ResultSet result = agent.query(ctx);
while (result.next()) {
result.first();
assertThat(result.isFirst(), is(true));
result.previous();
assertThat(result.isBeforeFirst(), is(true));
result.next();
assertThat(result.isBeforeFirst(), is(false));
result.last();
assertThat(result.isLast(), is(true));
result.next();
assertThat(result.isAfterLast(), is(true));
result.previous();
assertThat(result.isAfterLast(), is(false));
result.beforeFirst();
assertThat(result.isBeforeFirst(), is(true));
result.afterLast();
assertThat(result.isAfterLast(), is(true));
result.next();
assertThat(result.isWrapperFor(SecretResultSet.class), is(true));
assertThat(result.unwrap(SecretResultSet.class).getCipher(), is(not(nullValue())));
assertThat(result.unwrap(SecretResultSet.class).getCharset(), is(Charset.forName("UTF-8")));
assertThat(result.unwrap(SecretResultSet.class).getCryptColumnNames(),
is(Arrays.asList("PRODUCT_NAME")));
}
result.close();
}
}