Example usage for java.sql PreparedStatement executeUpdate

Introduction

In this page you can find the example usage for java.sql PreparedStatement executeUpdate.

Prototype

int executeUpdate() throws SQLException;

Source Link

Document

Executes the SQL statement in this PreparedStatement object, which must be an SQL Data Manipulation Language (DML) statement, such as INSERT, UPDATE or DELETE; or an SQL statement that returns nothing, such as a DDL statement.

Usage

From source file:de.tudarmstadt.ukp.csniper.resbuild.EvaluationItemFixer.java

public static void main(String[] args) {
    connect(HOST, DATABASE, USER, PASSWORD);

    Map<Integer, String> items = new HashMap<Integer, String>();
    Map<Integer, String> failed = new HashMap<Integer, String>();

    // fetch coveredTexts of dubious items and clean it
    PreparedStatement select = null;
    try {/*from  www  .  ja v  a 2 s .co  m*/
        StringBuilder selectQuery = new StringBuilder();
        selectQuery.append("SELECT * FROM EvaluationItem ");
        selectQuery.append("WHERE LOCATE(coveredText, '  ') > 0 ");
        selectQuery.append("OR LOCATE('" + LRB + "', coveredText) > 0 ");
        selectQuery.append("OR LOCATE('" + RRB + "', coveredText) > 0 ");
        selectQuery.append("OR LEFT(coveredText, 1) = ' ' ");
        selectQuery.append("OR RIGHT(coveredText, 1) = ' ' ");

        select = connection.prepareStatement(selectQuery.toString());
        log.info("Running query [" + selectQuery.toString() + "].");
        ResultSet rs = select.executeQuery();

        while (rs.next()) {
            int id = rs.getInt("id");
            String coveredText = rs.getString("coveredText");

            try {
                // special handling of double whitespace: in this case, re-fetch the text
                if (coveredText.contains("  ")) {
                    coveredText = retrieveCoveredText(rs.getString("collectionId"), rs.getString("documentId"),
                            rs.getInt("beginOffset"), rs.getInt("endOffset"));
                }

                // replace bracket placeholders and trim the text
                coveredText = StringUtils.replace(coveredText, LRB, "(");
                coveredText = StringUtils.replace(coveredText, RRB, ")");
                coveredText = coveredText.trim();

                items.put(id, coveredText);
            } catch (IllegalArgumentException e) {
                failed.put(id, e.getMessage());
            }
        }
    } catch (SQLException e) {
        log.error("Exception while selecting: " + e.getMessage());
    } finally {
        closeQuietly(select);
    }

    // write logs
    BufferedWriter bwf = null;
    BufferedWriter bws = null;
    try {
        bwf = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(LOG_FAILED)), "UTF-8"));
        for (Entry<Integer, String> e : failed.entrySet()) {
            bwf.write(e.getKey() + " - " + e.getValue() + "\n");
        }

        bws = new BufferedWriter(
                new OutputStreamWriter(new FileOutputStream(new File(LOG_SUCCESSFUL)), "UTF-8"));
        for (Entry<Integer, String> e : items.entrySet()) {
            bws.write(e.getKey() + " - " + e.getValue() + "\n");
        }
    } catch (IOException e) {
        log.error("Got an IOException while writing the log files.");
    } finally {
        IOUtils.closeQuietly(bwf);
        IOUtils.closeQuietly(bws);
    }

    log.info("Texts for [" + items.size() + "] items need to be cleaned up.");

    // update the dubious items with the cleaned coveredText
    PreparedStatement update = null;
    try {
        String updateQuery = "UPDATE EvaluationItem SET coveredText = ? WHERE id = ?";

        update = connection.prepareStatement(updateQuery);
        int i = 0;
        for (Entry<Integer, String> e : items.entrySet()) {
            int id = e.getKey();
            String coveredText = e.getValue();

            // update item in database
            update.setString(1, coveredText);
            update.setInt(2, id);
            update.executeUpdate();
            log.debug("Updating " + id + " with [" + coveredText + "]");

            // show percentage of updated items
            i++;
            int part = (int) Math.ceil((double) items.size() / 100);
            if (i % part == 0) {
                log.info(i / part + "% finished (" + i + "/" + items.size() + ").");
            }
        }
    } catch (SQLException e) {
        log.error("Exception while updating: " + e.getMessage());
    } finally {
        closeQuietly(update);
    }

    closeQuietly(connection);
}

From source file:DemoPreparedStatementSetBlob.java

public static void main(String[] args) throws Exception {
    Connection conn = null;/*from   w w w  .j ava  2 s .c  o m*/
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    java.sql.Blob blob = null;
    try {
        conn = getConnection();
        // prepare blob object from an existing binary column
        pstmt = conn.prepareStatement("select photo from my_pictures where id = ?");
        pstmt.setString(1, "0001");
        rs = pstmt.executeQuery();
        rs.next();
        blob = rs.getBlob(1);

        // prepare SQL query for inserting a new row using setBlob()
        String query = "insert into blob_table(id, blob_column) values(?, ?)";
        // begin transaction
        conn.setAutoCommit(false);

        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, "0002");
        pstmt.setBlob(2, blob);

        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
        // end transaction
        conn.commit();
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = null;//from  w ww . j  a  v a  2 s  . co m
    PreparedStatement pstmt = null;
    java.sql.Array sqlArray = null;
    conn = getOracleConnection();
    // For oracle you need an array descriptor specifying
    // the type of the array and a connection to the database
    // the first parameter must match with the SQL ARRAY type created
    ArrayDescriptor arrayDescriptor = ArrayDescriptor.createDescriptor("CHAR_ARRAY", conn);
    // then obtain an Array filled with the content below
    String[] content = { "v1", "v2", "v3", "v4" };
    sqlArray = new oracle.sql.ARRAY(arrayDescriptor, conn, content);

    String query = "insert into CHAR_ARRAY_TABLE(id, array) values(?, ?)";

    pstmt = conn.prepareStatement(query);
    pstmt.setString(1, "0001");
    pstmt.setArray(2, sqlArray);

    int rowCount = pstmt.executeUpdate();
    System.out.println("rowCount=" + rowCount);
    System.out.println("--Demo_PreparedStatement_SetArray end--");
    pstmt.close();
    conn.close();
}

From source file:DemoPreparedStatementSetCharacterStream.java

public static void main(String[] args) throws Exception {
    String fileName = "charDataFile.txt";
    Reader fileReader = null;/*from  w  w  w. jav  a 2  s .  c  om*/
    long fileLength = 0;
    Connection conn = null;
    PreparedStatement pstmt = null;

    try {
        File file = new File(fileName);
        fileLength = file.length();
        fileReader = (Reader) new BufferedReader(new FileReader(file));
        System.out.println("fileName=" + fileName);
        System.out.println("fileLength=" + fileLength);

        conn = getConnection();
        // begin transaction
        conn.setAutoCommit(false);
        // prepare SQL query for inserting a new row using SetCharacterStream()
        String query = "insert into char_stream_table (id, char_stream_column) values(?, ?)";
        // create PrepareStatement object
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, fileName);
        pstmt.setCharacterStream(2, fileReader, (int) fileLength);
        // execute query, and return number of rows created
        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
        // end transaction
        conn.commit();
    } finally {
        pstmt.close();
        conn.close();
    }
}

From source file:DemoPreparedStatementSetBinaryStream.java

public static void main(String[] args) throws Exception {
    String smallFileName = "smallFileName.dat";
    String largeFileName = "largeFileName.dat";
    Connection conn = null;/*w  w  w . j a v  a  2  s  .c o m*/
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        File smallFile = new File(smallFileName);
        int smallFileLength = (int) smallFile.length();
        InputStream smallStream = (InputStream) new FileInputStream(smallFile);
        File largeFile = new File(largeFileName);
        int largeFileLength = (int) largeFile.length();
        InputStream largeStream = (InputStream) new FileInputStream(largeFile);

        String query = "insert into binary_table(id, raw_column, long_raw_column) values(?, ?, ?)";

        conn.setAutoCommit(false);
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, "0001");
        pstmt.setBinaryStream(2, smallStream, smallFileLength);
        pstmt.setBinaryStream(3, largeStream, largeFileLength);

        // execute query, and return number of rows created
        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
        conn.commit();
    } finally {
        pstmt.close();
        conn.close();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    ResultSet rs = null;//ww  w  . j  a v a 2s .c  o  m
    Connection conn = null;
    PreparedStatement pstmt = null;
    PreparedStatement pstmt2 = null;
    conn = getOracleConnection();
    String[] columnNames = { "id", "name", "content", "date_created" };
    Object[] inputValues = new Object[columnNames.length];
    inputValues[0] = new java.math.BigDecimal(100);
    inputValues[1] = new String("String Value");
    inputValues[2] = new String("This is my resume.");
    inputValues[3] = new Timestamp((new java.util.Date()).getTime());

    // prepare blob object from an existing binary column
    String insert = "insert into resume (id, name, content, date_created ) values(?, ?, ?, ?)";
    pstmt = conn.prepareStatement(insert);

    pstmt.setObject(1, inputValues[0]);
    pstmt.setObject(2, inputValues[1]);
    pstmt.setObject(3, inputValues[2]);
    pstmt.setObject(4, inputValues[3]);

    pstmt.executeUpdate();
    String query = "select id, name, content, date_created from resume where id=?";

    pstmt2 = conn.prepareStatement(query);
    pstmt2.setObject(1, inputValues[0]);
    rs = pstmt2.executeQuery();
    Object[] outputValues = new Object[columnNames.length];
    if (rs.next()) {
        for (int i = 0; i < columnNames.length; i++) {
            outputValues[i] = rs.getObject(i + 1);
        }
    }
    System.out.println("id=" + ((java.math.BigDecimal) outputValues[0]).toString());
    System.out.println("name=" + ((String) outputValues[1]));
    System.out.println("content=" + ((Clob) outputValues[2]));
    System.out.println("date_created=" + ((java.sql.Date) outputValues[3]).toString());

    rs.close();
    pstmt.close();
    pstmt2.close();
    conn.close();

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String deptName = "oldName";
    String newDeptName = "newName";

    ResultSet rs = null;// w w w . j  a  v  a  2 s  .  c o m
    Connection conn = null;
    PreparedStatement pstmt = null;
    PreparedStatement pstmt2 = null;
    try {
        conn = getConnection();
        // prepare query for getting a REF object and PrepareStatement object
        String refQuery = "select manager from dept_table where dept_name=?";
        pstmt = conn.prepareStatement(refQuery);
        pstmt.setString(1, deptName);
        rs = pstmt.executeQuery();
        java.sql.Ref ref = null;
        if (rs.next()) {
            ref = rs.getRef(1);
        }
        if (ref == null) {
            System.out.println("error: could not get a reference for manager.");
            System.exit(1);
        }
        String query = "INSERT INTO dept_table(dept_name, manager)values(?, ?)";
        pstmt2 = conn.prepareStatement(query);
        pstmt2.setString(1, newDeptName);
        pstmt2.setRef(2, ref);
        // execute query, and return number of rows created
        int rowCount = pstmt2.executeUpdate();
        System.out.println("rowCount=" + rowCount);
    } finally {
        pstmt.close();
        pstmt2.close();
        conn.close();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String deptName = "oldName";
    String newDeptName = "newName";

    ResultSet rs = null;/*from  www. j  a v  a 2 s. co  m*/
    Connection conn = null;
    PreparedStatement pstmt = null;
    PreparedStatement pstmt2 = null;
    try {
        conn = getConnection();
        // prepare query for getting a REF object and PrepareStatement object
        String refQuery = "select manager from dept_table where dept_name=?";
        pstmt = conn.prepareStatement(refQuery);
        pstmt.setString(1, deptName);
        rs = pstmt.executeQuery();
        java.sql.Ref ref = null;
        if (rs.next()) {
            ref = rs.getRef("manager");
        }
        if (ref == null) {
            System.out.println("error: could not get a reference for manager.");
            System.exit(1);
        }
        String query = "INSERT INTO dept_table(dept_name, manager)values(?, ?)";
        pstmt2 = conn.prepareStatement(query);
        pstmt2.setString(1, newDeptName);
        pstmt2.setRef(2, ref);
        // execute query, and return number of rows created
        int rowCount = pstmt2.executeUpdate();
        System.out.println("rowCount=" + rowCount);
    } finally {
        pstmt.close();
        pstmt2.close();
        conn.close();
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);/*www.j  av a  2 s.  co  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);
    String sql = "INSERT INTO mysql_all_table(" + "col_boolean," + "col_byte," + "col_short," + "col_int,"
            + "col_long," + "col_float," + "col_double," + "col_bigdecimal," + "col_string," + "col_date,"
            + "col_time," + "col_timestamp," + "col_asciistream," + "col_binarystream," + "col_blob) "
            + "VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
    PreparedStatement pstmt = connection.prepareStatement(sql);

    pstmt.setBoolean(1, true);
    pstmt.setByte(2, (byte) 123);
    pstmt.setShort(3, (short) 123);
    pstmt.setInt(4, 123);
    pstmt.setLong(5, 123L);
    pstmt.setFloat(6, 1.23F);
    pstmt.setDouble(7, 1.23D);
    pstmt.setBigDecimal(8, new BigDecimal(1.23));
    pstmt.setString(9, "a string");
    pstmt.setDate(10, new java.sql.Date(System.currentTimeMillis()));
    pstmt.setTime(11, new Time(System.currentTimeMillis()));
    pstmt.setTimestamp(12, new Timestamp(System.currentTimeMillis()));

    File file = new File("infilename1");
    FileInputStream is = new FileInputStream(file);
    pstmt.setAsciiStream(13, is, (int) file.length());

    file = new File("infilename2");
    is = new FileInputStream(file);
    pstmt.setBinaryStream(14, is, (int) file.length());

    file = new File("infilename3");
    is = new FileInputStream(file);
    pstmt.setBinaryStream(15, is, (int) file.length());

    pstmt.executeUpdate();
}

From source file:TransactionPairs.java

public static void main(String args[]) {

    String url = "jdbc:mySubprotocol:myDataSource";
    Connection con = null;//from w ww  .j  a v a  2 s  .c om
    Statement stmt;
    PreparedStatement updateSales;
    PreparedStatement updateTotal;
    String updateString = "update COFFEES " + "set SALES = ? where COF_NAME = ?";

    String updateStatement = "update COFFEES " + "set TOTAL = TOTAL + ? where COF_NAME = ?";
    String query = "select COF_NAME, SALES, TOTAL from COFFEES";

    try {
        Class.forName("myDriver.ClassName");

    } catch (java.lang.ClassNotFoundException e) {
        System.err.print("ClassNotFoundException: ");
        System.err.println(e.getMessage());
    }

    try {

        con = DriverManager.getConnection(url, "myLogin", "myPassword");

        updateSales = con.prepareStatement(updateString);
        updateTotal = con.prepareStatement(updateStatement);
        int[] salesForWeek = { 175, 150, 60, 155, 90 };
        String[] coffees = { "Colombian", "French_Roast", "Espresso", "Colombian_Decaf", "French_Roast_Decaf" };
        int len = coffees.length;
        con.setAutoCommit(false);
        for (int i = 0; i < len; i++) {
            updateSales.setInt(1, salesForWeek[i]);
            updateSales.setString(2, coffees[i]);
            updateSales.executeUpdate();

            updateTotal.setInt(1, salesForWeek[i]);
            updateTotal.setString(2, coffees[i]);
            updateTotal.executeUpdate();
            con.commit();
        }

        con.setAutoCommit(true);

        updateSales.close();
        updateTotal.close();

        stmt = con.createStatement();
        ResultSet rs = stmt.executeQuery(query);

        while (rs.next()) {
            String c = rs.getString("COF_NAME");
            int s = rs.getInt("SALES");
            int t = rs.getInt("TOTAL");
            System.out.println(c + "     " + s + "    " + t);
        }

        stmt.close();
        con.close();

    } catch (SQLException ex) {
        System.err.println("SQLException: " + ex.getMessage());
        if (con != null) {
            try {
                System.err.print("Transaction is being ");
                System.err.println("rolled back");
                con.rollback();
            } catch (SQLException excep) {
                System.err.print("SQLException: ");
                System.err.println(excep.getMessage());
            }
        }
    }
}