Example usage for java.sql SQLWarning getNextWarning

Introduction

In this page you can find the example usage for java.sql SQLWarning getNextWarning.

Prototype

public SQLWarning getNextWarning() 

Source Link

Document

Retrieves the warning chained to this SQLWarning object by setNextWarning.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {

    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);/*from w  ww  .  j a  v  a 2s.c om*/

    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);

    try {
        SQLWarning warning = connection.getWarnings();
        while (warning != null) {
            String message = warning.getMessage();
            String sqlState = warning.getSQLState();
            int errorCode = warning.getErrorCode();
            warning = warning.getNextWarning();
        }
        Statement stmt = connection.createStatement();
        warning = stmt.getWarnings();
        if (warning != null) {

        }
        ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table");
        while (resultSet.next()) {
            warning = resultSet.getWarnings();
            if (warning != null) {
            }
        }
    } catch (SQLException e) {
    }

}

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From source file:Main.java

public static void main(String[] args) throws Exception {

    try {/*from   w  w w. ja va 2s.co m*/
        Connection conn = getConnection(); // get a java.sql.Connection object
        SQLWarning warning = conn.getWarnings();
        while (warning != null) {
            // process connection warning
            String message = warning.getMessage();
            String sqlState = warning.getSQLState();
            int errorCode = warning.getErrorCode();
            warning = warning.getNextWarning();
        }
    } catch (SQLException e) {
        // ignore the exception
    } finally {
        // close JDBC resources: ResultSet, Statement, Connection
    }

}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    conn.setAutoCommit(false);/* w  w  w.  j  a  va2 s  . co m*/
    Statement st = conn.createStatement();

    st.executeUpdate("create table survey (id int, name VARCHAR(30) );");

    String INSERT_RECORD = "insert into survey(id, name) values(?,?)";

    PreparedStatement pstmt = conn.prepareStatement(INSERT_RECORD);

    pstmt.setInt(1, 1);
    pstmt.setString(2, "name");
    pstmt.executeUpdate();

    // Get warnings on PreparedStatement object
    SQLWarning warning = pstmt.getWarnings();
    while (warning != null) {
        // Process statement warnings...
        String message = warning.getMessage();
        String sqlState = warning.getSQLState();
        int errorCode = warning.getErrorCode();
        warning = warning.getNextWarning();
    }

    ResultSet rs = st.executeQuery("SELECT * FROM survey");
    outputResultSet(rs);

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

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From source file:Main.java

public static void main(String[] args) throws Exception {
    String dbURL = "jdbc:odbc:Companies";
    try {/*from w  ww .j a  va2 s.c o m*/
        // Load the jdbc-odbc bridge driver
        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
        // Enable logging
        DriverManager.setLogWriter(new PrintWriter((System.err)));

        System.out.println("Getting Connection");
        Connection conn = DriverManager.getConnection(dbURL, "user", "password");

        SQLWarning warn = conn.getWarnings();
        while (warn != null) {
            System.out.println("SQLState: " + warn.getSQLState());
            System.out.println("Message:  " + warn.getMessage());
            System.out.println("Vendor:   " + warn.getErrorCode());
            System.out.println("");
            warn = warn.getNextWarning();
        }

        conn.close();
    } catch (ClassNotFoundException e) {
        System.out.println("Can't load driver " + e);
    } catch (SQLException e) {
        System.out.println("Database access failed " + e);
    }
}

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From source file:ExecuteSQL.java

public static void main(String[] args) {
    Connection conn = null; // Our JDBC connection to the database server
    try {//from w w w. j  av a  2  s .co m
        String driver = null, url = null, user = "", password = "";

        // Parse all the command-line arguments
        for (int n = 0; n < args.length; n++) {
            if (args[n].equals("-d"))
                driver = args[++n];
            else if (args[n].equals("-u"))
                user = args[++n];
            else if (args[n].equals("-p"))
                password = args[++n];
            else if (url == null)
                url = args[n];
            else
                throw new IllegalArgumentException("Unknown argument.");
        }

        // The only required argument is the database URL.
        if (url == null)
            throw new IllegalArgumentException("No database specified");

        // If the user specified the classname for the DB driver, load
        // that class dynamically. This gives the driver the opportunity
        // to register itself with the DriverManager.
        if (driver != null)
            Class.forName(driver);

        // Now open a connection the specified database, using the
        // user-specified username and password, if any. The driver
        // manager will try all of the DB drivers it knows about to try to
        // parse the URL and connect to the DB server.
        conn = DriverManager.getConnection(url, user, password);

        // Now create the statement object we'll use to talk to the DB
        Statement s = conn.createStatement();

        // Get a stream to read from the console
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

        // Loop forever, reading the user's queries and executing them
        while (true) {
            System.out.print("sql> "); // prompt the user
            System.out.flush(); // make the prompt appear now.
            String sql = in.readLine(); // get a line of input from user

            // Quit when the user types "quit".
            if ((sql == null) || sql.equals("quit"))
                break;

            // Ignore blank lines
            if (sql.length() == 0)
                continue;

            // Now, execute the user's line of SQL and display results.
            try {
                // We don't know if this is a query or some kind of
                // update, so we use execute() instead of executeQuery()
                // or executeUpdate() If the return value is true, it was
                // a query, else an update.
                boolean status = s.execute(sql);

                // Some complex SQL queries can return more than one set
                // of results, so loop until there are no more results
                do {
                    if (status) { // it was a query and returns a ResultSet
                        ResultSet rs = s.getResultSet(); // Get results
                        printResultsTable(rs, System.out); // Display them
                    } else {
                        // If the SQL command that was executed was some
                        // kind of update rather than a query, then it
                        // doesn't return a ResultSet. Instead, we just
                        // print the number of rows that were affected.
                        int numUpdates = s.getUpdateCount();
                        System.out.println("Ok. " + numUpdates + " rows affected.");
                    }

                    // Now go see if there are even more results, and
                    // continue the results display loop if there are.
                    status = s.getMoreResults();
                } while (status || s.getUpdateCount() != -1);
            }
            // If a SQLException is thrown, display an error message.
            // Note that SQLExceptions can have a general message and a
            // DB-specific message returned by getSQLState()
            catch (SQLException e) {
                System.err.println("SQLException: " + e.getMessage() + ":" + e.getSQLState());
            }
            // Each time through this loop, check to see if there were any
            // warnings. Note that there can be a whole chain of warnings.
            finally { // print out any warnings that occurred
                SQLWarning w;
                for (w = conn.getWarnings(); w != null; w = w.getNextWarning())
                    System.err.println("WARNING: " + w.getMessage() + ":" + w.getSQLState());
            }
        }
    }
    // Handle exceptions that occur during argument parsing, database
    // connection setup, etc. For SQLExceptions, print the details.
    catch (Exception e) {
        System.err.println(e);
        if (e instanceof SQLException)
            System.err.println("SQL State: " + ((SQLException) e).getSQLState());
        System.err.println(
                "Usage: java ExecuteSQL [-d <driver>] " + "[-u <user>] [-p <password>] <database URL>");
    }

    // Be sure to always close the database connection when we exit,
    // whether we exit because the user types 'quit' or because of an
    // exception thrown while setting things up. Closing this connection
    // also implicitly closes any open statements and result sets
    // associated with it.
    finally {
        try {
            conn.close();
        } catch (Exception e) {
        }
    }
}

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From source file:Connect.java

public static void main(String[] av) {
    String dbURL = "jdbc:odbc:Companies";
    try {//from   ww w  .ja  v  a  2  s  .  c  om
        // Load the jdbc-odbc bridge driver
        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

        // Enable logging
        DriverManager.setLogWriter(new PrintWriter((System.err)));

        System.out.println("Getting Connection");
        Connection conn = DriverManager.getConnection(dbURL, "ian", ""); // user,
        // passwd

        // If a SQLWarning object is available, print its
        // warning(s). There may be multiple warnings chained.

        SQLWarning warn = conn.getWarnings();
        while (warn != null) {
            System.out.println("SQLState: " + warn.getSQLState());
            System.out.println("Message:  " + warn.getMessage());
            System.out.println("Vendor:   " + warn.getErrorCode());
            System.out.println("");
            warn = warn.getNextWarning();
        }

        // Do something with the connection here...

        conn.close(); // All done with that DB connection

    } catch (ClassNotFoundException e) {
        System.out.println("Can't load driver " + e);
    } catch (SQLException e) {
        System.out.println("Database access failed " + e);
    }
}

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From source file:Main.java

public static void displayError(SQLWarning warning) {
    while (warning != null) {
        if (warning instanceof DataTruncation) {
            displayError((DataTruncation) warning);
        } else {//from w  ww  . jav a2  s .com
            System.out.println(" Warning: " + warning.getMessage());
        }
        warning = warning.getNextWarning();
    }
}

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From source file:Main.java

static boolean checkForWarning(SQLWarning w) {
    if (w == null) {
        return false;
    }//w  w  w. j a  v a2 s.  c o m
    do {
        System.err.println("Warning:\nMessage: " + w.getMessage());
        System.err.println("SQL state: " + w.getSQLState());
        System.err.println("Vendor code: " + w.getErrorCode() + "\n----------------");
    } while ((w = w.getNextWarning()) != null);
    return true;
}

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From source file:io.cloudslang.content.database.services.SQLCommandService.java

public static String executeSqlCommand(final SQLInputs sqlInputs) throws Exception {
    final ConnectionService connectionService = new ConnectionService();
    try (final Connection connection = connectionService.setUpConnection(sqlInputs)) {

        connection.setReadOnly(false);/*from w ww . ja v  a  2 s  .  c  o m*/

        final String dbType = sqlInputs.getDbType();
        if (ORACLE_DB_TYPE.equalsIgnoreCase(dbType)
                && sqlInputs.getSqlCommand().toLowerCase().contains(DBMS_OUTPUT)) {

            final PreparedStatement preparedStatement = connection.prepareStatement(sqlInputs.getSqlCommand());
            preparedStatement.setQueryTimeout(sqlInputs.getTimeout());
            OracleDbmsOutput oracleDbmsOutput = new OracleDbmsOutput(connection);
            preparedStatement.executeQuery();
            sqlInputs.setIUpdateCount(preparedStatement.getUpdateCount());
            preparedStatement.close();
            final String output = oracleDbmsOutput.getOutput();
            oracleDbmsOutput.close();
            return output;
        } else {
            final Statement statement = connection.createStatement(sqlInputs.getResultSetType(),
                    sqlInputs.getResultSetConcurrency());
            statement.setQueryTimeout(sqlInputs.getTimeout());
            try {
                statement.execute(sqlInputs.getSqlCommand());
            } catch (SQLException e) {
                if (SYBASE_DB_TYPE.equalsIgnoreCase(dbType)) {
                    //during a dump sybase sends back status as exceptions.
                    if (sqlInputs.getSqlCommand().trim().toLowerCase().startsWith("dump")) {
                        return SQLUtils.processDumpException(e);
                    } else if (sqlInputs.getSqlCommand().trim().toLowerCase().startsWith("load")) {
                        return SQLUtils.processLoadException(e);
                    }
                } else {
                    throw e;
                }
            }

            ResultSet rs = statement.getResultSet();
            if (rs != null) {
                ResultSetMetaData rsMtd = rs.getMetaData();
                if (rsMtd != null) {
                    sqlInputs.getLRows().clear();
                    int colCount = rsMtd.getColumnCount();

                    if (sqlInputs.getSqlCommand().trim().toLowerCase().startsWith("dbcc")) {
                        while (rs.next()) {
                            if (colCount >= 4) {
                                sqlInputs.getLRows().add(rs.getString(4));
                            }
                        }
                    } else {
                        String delimiter = (StringUtils.isNoneEmpty(sqlInputs.getStrDelim()))
                                ? sqlInputs.getStrDelim()
                                : ",";
                        String strRowHolder;
                        while (rs.next()) {
                            strRowHolder = "";
                            for (int i = 1; i <= colCount; i++) {
                                if (i > 1) {
                                    strRowHolder += delimiter;
                                }
                                strRowHolder += rs.getString(i);
                            }
                            sqlInputs.getLRows().add(strRowHolder);
                        }
                    }
                    rs.close();
                }

            }
            //For sybase, when dbcc command is executed, the result is shown in warning message
            else if (dbType.equalsIgnoreCase(SYBASE_DB_TYPE)
                    && sqlInputs.getSqlCommand().trim().toLowerCase().startsWith("dbcc")) {
                SQLWarning warning = statement.getWarnings();
                while (warning != null) {
                    sqlInputs.getLRows().add(warning.getMessage());
                    warning = warning.getNextWarning();
                }
            }

            sqlInputs.setIUpdateCount(statement.getUpdateCount());
        }
    }
    return "Command completed successfully";
}

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From source file:org.apache.airavata.registry.tool.DBMigrator.java

private static void executeSQL(String sql, Connection conn) throws Exception {
    if ("".equals(sql.trim())) {
        return;/*from w  w  w. j av  a  2s. c om*/
    }
    Statement statement = null;
    try {
        logger.debug("SQL : " + sql);

        boolean ret;
        int updateCount = 0, updateCountTotal = 0;
        statement = conn.createStatement();
        ret = statement.execute(sql);
        updateCount = statement.getUpdateCount();
        do {
            if (!ret) {
                if (updateCount != -1) {
                    updateCountTotal += updateCount;
                }
            }
            ret = statement.getMoreResults();
            if (ret) {
                updateCount = statement.getUpdateCount();
            }
        } while (ret);

        logger.debug(sql + " : " + updateCountTotal + " rows affected");

        SQLWarning warning = conn.getWarnings();
        while (warning != null) {
            logger.warn(warning + " sql warning");
            warning = warning.getNextWarning();
        }
        conn.clearWarnings();
    } catch (SQLException e) {
        if (e.getSQLState().equals("X0Y32")) {
            logger.info("Table Already Exists", e);
        } else {
            throw new Exception("Error occurred while executing : " + sql, e);
        }
    } finally {
        if (statement != null) {
            try {
                statement.close();
            } catch (SQLException e) {
                logger.error("Error occurred while closing result set.", e);
            }
        }
    }
}

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