Example usage for java.sql ResultSet last

Introduction

In this page you can find the example usage for java.sql ResultSet last.

Prototype

boolean last() throws SQLException;

Source Link

Document

Moves the cursor to the last row in this ResultSet object.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);/*from  ww  w  .  j  ava  2s.  c  o m*/

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    // Create a scrollable result set
    Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
    ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");

    while (resultSet.next()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    while (resultSet.previous()) {
        // Get data at cursor
        String s = resultSet.getString(1);
    }

    // Move cursor to the first row
    resultSet.first();

    // Move cursor to the last row
    resultSet.last();

    // Move cursor to the end, after the last row
    resultSet.afterLast();

}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);

    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");
    st.executeUpdate("insert into survey (id,name ) values (2,null)");
    st.executeUpdate("insert into survey (id,name ) values (3,'Tom')");
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    // Get cursor position
    int pos = rs.getRow(); // 0
    System.out.println(pos);// w w w  .  j av a 2  s. com
    boolean b = rs.isBeforeFirst(); // true
    System.out.println(b);

    // Move cursor to the first row
    rs.next();

    // Get cursor position
    pos = rs.getRow(); // 1
    b = rs.isFirst(); // true
    System.out.println(pos);
    System.out.println(b);

    // Move cursor to the last row
    rs.last();
    // Get cursor position
    pos = rs.getRow();
    System.out.println(pos);
    b = rs.isLast(); // true

    // Move cursor past last row
    rs.afterLast();

    // Get cursor position
    pos = rs.getRow();
    b = rs.isAfterLast(); // true

    rs.close();
    st.close();
    conn.close();
}

---

From source file:GetNumberOfRowsScrollableResultSet_MySQL.java

public static void main(String[] args) {
    Connection conn = null;/*from ww w  .ja va2  s  .  c o  m*/
    Statement stmt = null;
    ResultSet rs = null;
    try {
        conn = getConnection();
        String query = "select id from employees";
        stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);

        rs = stmt.executeQuery(query);
        // extract data from the ResultSet scroll from top
        while (rs.next()) {
            String id = rs.getString(1);
            System.out.println("id=" + id);
        }
        // move to the end of the result set
        rs.last();
        // get the row number of the last row which is also the row count
        int rowCount = rs.getRow();
        System.out.println("rowCount=" + rowCount);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            rs.close();
            stmt.close();
            conn.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);

    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");
    st.executeUpdate("insert into survey (id,name ) values (2,null)");
    st.executeUpdate("insert into survey (id,name ) values (3,'Tom')");
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    // Move cursor forward
    while (rs.next()) {
        // Get data at cursor
        String id = rs.getString(1);
        String name = rs.getString(2);
    }/*from  w ww.  j ava  2  s  .  c o  m*/

    // Move cursor backward
    while (rs.previous()) {
        // Get data at cursor
        String id = rs.getString(1);
        String name = rs.getString(2);
    }

    // Move cursor to the first row
    rs.first();

    // Move cursor to the last row
    rs.last();

    // Move cursor to the end, after the last row
    rs.afterLast();

    // Move cursor to the beginning, before the first row.
    // cursor position is 0.
    rs.beforeFirst();

    // Move cursor to the second row
    rs.absolute(2);

    // Move cursor to the last row
    rs.absolute(-1);

    // Move cursor to the second-to-last row
    rs.absolute(-2);

    // Move cursor down 5 rows from the current row. If this moves
    // cursor beyond the last row, cursor is put after the last row
    rs.relative(5);

    // Move cursor up 3 rows from the current row. If this moves
    // cursor beyond the first row, cursor is put before the first row
    rs.relative(-3);

    rs.close();
    st.close();
    conn.close();

}

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From source file:com.example.querybuilder.server.Jdbc.java

public static void last(ResultSet resultSet) {
    try {/*  ww w.  j  a  va  2 s  . com*/
        resultSet.last();
    } catch (SQLException e) {
        throw new SqlRuntimeException(e);
    }
}

---

From source file:com.autentia.tnt.bill.migration.support.OriginalInformationRecoverer.java

/**
 * Recupera la fecha de pago o cobro de cada una de las facturas cuyo tipo se envia por parametro
 * @param billType tipo de factura// w w  w  . jav  a2s  .c  o  m
 */
public static Date[] getFechaFacturaOriginal(String billType) throws Exception {
    Connection con = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    LineNumberReader file = null;
    Date[] result = new Date[0];

    try {
        log.info("RECOVERING FECHAS " + billType + " ORIGINALES");

        // connect to database
        Class.forName(BillToBillPaymentMigration.DATABASE_DRIVER);
        con = DriverManager.getConnection(BillToBillPaymentMigration.DATABASE_CONNECTION,
                BillToBillPaymentMigration.DATABASE_USER, BillToBillPaymentMigration.DATABASE_PASS); //NOSONAR
        con.setAutoCommit(false); // DATABASE_PASS vacia
        String sql = "SELECT date_add(creationDate, INTERVAL expiration DAY) as date FROM Bill B where billType = ? order by date";
        pstmt = con.prepareStatement(sql);
        pstmt.setString(1, billType);
        rs = pstmt.executeQuery();

        rs.last();
        result = new Date[rs.getRow()];
        rs.beforeFirst();
        int counter = 0;

        while (rs.next()) {
            result[counter] = rs.getDate(1);
            log.info("\t" + result[counter]);
            counter++;
        }
        con.commit();
    } catch (Exception e) {
        log.error("FAILED: WILL BE ROLLED BACK: ", e);
        if (con != null) {
            con.rollback();
        }
    } finally {
        cierraFichero(file);
        liberaConexion(con, pstmt, rs);
    }
    return result;
}

---

From source file:com.autentia.tnt.bill.migration.support.MigratedInformationRecoverer.java

/**
 * Recupera la fecha de pago o cobro de cada una de las facturas cuyo tipo se envia por parametro
 * @param billType tipo de factura/*from w ww.  j  ava  2  s  . c o m*/
 */
public static Date[] getFechaFacturaMigrated(String billType) throws Exception {
    Connection con = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    LineNumberReader file = null;
    Date[] result = new Date[0];

    try {
        log.info("RECOVERING FECHAS " + billType + " MIGRADAS");

        // connect to database
        Class.forName(BillToBillPaymentMigration.DATABASE_DRIVER);
        con = DriverManager.getConnection(BillToBillPaymentMigration.DATABASE_CONNECTION,
                BillToBillPaymentMigration.DATABASE_USER, BillToBillPaymentMigration.DATABASE_PASS); //NOSONAR
        con.setAutoCommit(false); // DATABASE_PASS vacio.

        String sql = "SELECT bp.expirationDate FROM BillPayment bp, Bill b where bp.billId = b.id and b.billType = ? order by bp.expirationDate";
        pstmt = con.prepareStatement(sql);
        pstmt.setString(1, billType);

        rs = pstmt.executeQuery();

        rs.last();
        result = new Date[rs.getRow()];
        rs.beforeFirst();
        int counter = 0;

        while (rs.next()) {
            result[counter] = rs.getDate(1);
            log.info("\t" + result[counter]);
            counter++;
        }

    } catch (Exception e) {
        log.error("FAILED: WILL BE ROLLED BACK: ", e);
        if (con != null) {
            con.rollback();
        }

    } finally {
        cierraFichero(file);
        liberaConexion(con, pstmt, rs);
    }
    return result;
}

---

From source file:com.autentia.tnt.bill.migration.support.MigratedInformationRecoverer.java

/**
 * Recupera la suma total de todos los conceptos de cada una de las facturas cuyo tipo se envia por parametro
 * @param billType tipo de factura//w w  w.j av  a  2  s.c  o  m
 */
public static double[] getImporteFacturaMigrated(String billType) throws Exception {
    Connection con = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    LineNumberReader file = null;
    double[] result = new double[0];

    try {
        log.info("RECOVERING IMPORTE FACTURAS " + billType + " MIGRADAS");

        // connect to database
        Class.forName(BillToBillPaymentMigration.DATABASE_DRIVER);
        con = DriverManager.getConnection(BillToBillPaymentMigration.DATABASE_CONNECTION,
                BillToBillPaymentMigration.DATABASE_USER, BillToBillPaymentMigration.DATABASE_PASS); // NOSONAR
        con.setAutoCommit(false); // DATABASE_PASS vacio         

        String sql = "SELECT bp.amount FROM BillPayment bp, Bill b where bp.billId = b.id and b.billType = ? order by amount";

        pstmt = con.prepareStatement(sql);
        pstmt.setString(1, billType);
        rs = pstmt.executeQuery();

        rs.last();
        result = new double[rs.getRow()];
        rs.beforeFirst();
        int counter = 0;

        while (rs.next()) {
            result[counter] = rs.getDouble(1);
            log.info("\t" + result[counter]);
            counter++;
        }

    } catch (Exception e) {
        log.error("FAILED: WILL BE ROLLED BACK: ", e);
        if (con != null) {
            con.rollback();
        }

    } finally {
        cierraFichero(file);
        liberaConexion(con, pstmt, rs);
    }
    return result;
}

---

From source file:de.static_interface.reallifeplugin.module.contract.database.table.ContractUsersTable.java

@Override
public ContractUserRow[] deserialize(ResultSet rs) throws SQLException {
    int rowcount = 0;
    if (rs.last()) {
        rowcount = rs.getRow();/*from ww  w . ja  v a  2  s .  co m*/
        rs.beforeFirst();
    }

    ContractUserRow[] rows = new ContractUserRow[rowcount];
    int i = 0;

    while (rs.next()) {
        ContractUserRow row = new ContractUserRow();
        if (hasColumn(rs, "id")) {
            row.id = rs.getInt("id");
        }
        if (hasColumn(rs, "uuid")) {
            row.uuid = UUID.fromString(rs.getString("uuid"));
        }
        rows[i] = row;
        i++;
    }
    return rows;
}

---

From source file:de.static_interface.reallifeplugin.module.stockmarket.database.table.StockUsersTable.java

@Override
public StockUserRow[] deserialize(ResultSet rs) throws SQLException {
    int rowcount = 0;
    if (rs.last()) {
        rowcount = rs.getRow();/*  www  .  ja  v  a  2 s .c  o  m*/
        rs.beforeFirst();
    }

    StockUserRow[] rows = new StockUserRow[rowcount];
    int i = 0;

    while (rs.next()) {
        StockUserRow row = new StockUserRow();
        if (hasColumn(rs, "id")) {
            row.id = rs.getInt("id");
        }
        if (hasColumn(rs, "amount")) {
            row.amount = rs.getInt("amount");
        }
        if (hasColumn(rs, "stock_id")) {
            row.stockId = rs.getInt("stock_id");
        }
        if (hasColumn(rs, "user_id")) {
            row.userId = rs.getInt("user_id");
        }
        rows[i] = row;
        i++;
    }
    return rows;
}

---

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