Example usage for java.sql ResultSet getMetaData

Introduction

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

Prototype

ResultSetMetaData getMetaData() throws SQLException;

Source Link

Document

Retrieves the number, types and properties of this ResultSet object's columns.

Usage

From source file:PoolingDriverExample.java

public static void main(String[] args) {
    ///*from www .  j a va2s .  com*/
    // First we load the underlying JDBC driver.
    // You need this if you don't use the jdbc.drivers
    // system property.
    //
    System.out.println("Loading underlying JDBC driver.");
    try {
        Class.forName("org.h2.Driver");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Then we set up and register the PoolingDriver.
    // Normally this would be handled auto-magically by
    // an external configuration, but in this example we'll
    // do it manually.
    //
    System.out.println("Setting up driver.");
    try {
        setupDriver(args[0]);
    } catch (Exception e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Now, we can use JDBC as we normally would.
    // Using the connect string
    //  jdbc:apache:commons:dbcp:example
    // The general form being:
    //  jdbc:apache:commons:dbcp:<name-of-pool>
    //

    Connection conn = null;
    Statement stmt = null;
    ResultSet rset = null;

    try {
        System.out.println("Creating connection.");
        conn = DriverManager.getConnection("jdbc:apache:commons:dbcp:example");
        System.out.println("Creating statement.");
        stmt = conn.createStatement();
        System.out.println("Executing statement.");
        rset = stmt.executeQuery(args[1]);
        System.out.println("Results:");
        int numcols = rset.getMetaData().getColumnCount();
        while (rset.next()) {
            for (int i = 1; i <= numcols; i++) {
                System.out.print("\t" + rset.getString(i));
            }
            System.out.println("");
        }
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            if (rset != null)
                rset.close();
        } catch (Exception e) {
        }
        try {
            if (stmt != null)
                stmt.close();
        } catch (Exception e) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (Exception e) {
        }
    }

    // Display some pool statistics
    try {
        printDriverStats();
    } catch (Exception e) {
        e.printStackTrace();
    }

    // closes the pool
    try {
        shutdownDriver();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:ManualPoolingDriverExample.java

public static void main(String[] args) {
    ///* ww w  .j a  v  a2s.c  o m*/
    // First we load the underlying JDBC driver.
    // You need this if you don't use the jdbc.drivers
    // system property.
    //
    System.out.println("Loading underlying JDBC driver.");
    try {
        Class.forName("oracle.jdbc.driver.OracleDriver");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Then we set up and register the PoolingDriver.
    // Normally this would be handled auto-magically by
    // an external configuration, but in this example we'll
    // do it manually.
    //
    System.out.println("Setting up driver.");
    try {
        setupDriver(args[0]);
    } catch (Exception e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Now, we can use JDBC as we normally would.
    // Using the connect string
    //  jdbc:apache:commons:dbcp:example
    // The general form being:
    //  jdbc:apache:commons:dbcp:<name-of-pool>
    //

    Connection conn = null;
    Statement stmt = null;
    ResultSet rset = null;

    try {
        System.out.println("Creating connection.");
        conn = DriverManager.getConnection("jdbc:apache:commons:dbcp:example");
        System.out.println("Creating statement.");
        stmt = conn.createStatement();
        System.out.println("Executing statement.");
        rset = stmt.executeQuery(args[1]);
        System.out.println("Results:");
        int numcols = rset.getMetaData().getColumnCount();
        while (rset.next()) {
            for (int i = 1; i <= numcols; i++) {
                System.out.print("\t" + rset.getString(i));
            }
            System.out.println("");
        }
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            if (rset != null)
                rset.close();
        } catch (Exception e) {
        }
        try {
            if (stmt != null)
                stmt.close();
        } catch (Exception e) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (Exception e) {
        }
    }

    // Display some pool statistics
    try {
        printDriverStats();
    } catch (Exception e) {
        e.printStackTrace();
    }

    // closes the pool
    try {
        shutdownDriver();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:com.jt.dbcp.example.ManualPoolingDriverExample.java

public static void main(String[] args) {
    ///*  w w w  .  ja  va 2  s.com*/
    // First we load the underlying JDBC driver.
    // You need this if you don't use the jdbc.drivers
    // system property.
    //
    System.out.println("Loading underlying JDBC driver.");
    try {
        Class.forName("com.mysql.jdbc.Driver");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Then we set up and register the PoolingDriver.
    // Normally this would be handled auto-magically by
    // an external configuration, but in this example we'll
    // do it manually.
    //
    System.out.println("Setting up driver.");
    try {
        setupDriver(args[0]);
    } catch (Exception e) {
        e.printStackTrace();
    }
    System.out.println("Done.");

    //
    // Now, we can use JDBC as we normally would.
    // Using the connect string
    //  jdbc:apache:commons:dbcp:example
    // The general form being:
    //  jdbc:apache:commons:dbcp:<name-of-pool>
    //

    Connection conn = null;
    Statement stmt = null;
    ResultSet rset = null;

    try {
        System.out.println("Creating connection.");
        //pool
        conn = DriverManager.getConnection("jdbc:apache:commons:dbcp:example");
        System.out.println("Creating statement.");
        stmt = conn.createStatement();
        System.out.println("Executing statement.");
        rset = stmt.executeQuery(args[1]);
        System.out.println("Results:");
        int numcols = rset.getMetaData().getColumnCount();
        int count = 0;
        while (rset.next()) {
            count++;
            if (count == 10) {
                break;
            }
            for (int i = 1; i <= numcols; i++) {
                System.out.print("\t" + rset.getString(i));
            }
            System.out.println("");
        }
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            if (rset != null)
                rset.close();
        } catch (Exception e) {
        }
        try {
            if (stmt != null)
                stmt.close();
        } catch (Exception e) {
        }
        try {
            if (conn != null)
                conn.close();
        } catch (Exception e) {
        }
    }

    // Display some pool statistics
    try {
        printDriverStats();
    } catch (Exception e) {
        e.printStackTrace();
    }

    // closes the pool
    try {
        shutdownDriver();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:com.alifi.jgenerator.spring.SpringGeneratorFactory.java

public static void main(String[] args) {
    @SuppressWarnings("unused")
    ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("META-INF/SpringContext.xml");

    for (DataSourceMap m : DataSourceUtil.getDataSourceMap()) {

        DataSource ds = m.getDataSource();
        try {/*from w ww .  j a v a2  s. com*/
            Connection con = ds.getConnection();
            DatabaseMetaData dmd = con.getMetaData();
            String catalog = con.getCatalog();
            String schemaPattern = dmd.getSchemaTerm();
            System.out.println("Catalog:" + con.getCatalog() + " schemaPattern:" + schemaPattern);
            ResultSet rs = dmd.getTables(catalog, schemaPattern, "time_zone_transition", null);

            Statement s = null;
            ResultSet xrs = null;
            try {
                s = con.createStatement();
                xrs = s.executeQuery("select * from time_zone_transition");
                if (xrs.next()) {
                    p("xxxxxxxxxxxxxxxxxxxxxxxx:" + xrs.getString(1));
                }
            } catch (SQLException e) {
                e.printStackTrace();
            } finally {
            }

            while (rs.next()) {
                p("-----------------------");
                p("TABLE_CAT  :" + rs.getString("TABLE_CAT"));
                p("TABLE_SCHEM:" + rs.getString("TABLE_SCHEM"));
                p("TABLE_NAME :" + rs.getString("TABLE_NAME"));
                p("TABLE_TYPE :" + rs.getString("TABLE_TYPE"));
                p("REMARKS:   " + rs.getString("REMARKS"));

                p("11111111111111111:" + rs.getMetaData().getColumnClassName(1));
                // 
                ResultSet pkeyRs = dmd.getPrimaryKeys(catalog, schemaPattern, rs.getString("TABLE_NAME"));
                while (pkeyRs.next()) {
                    p("M-------------M");
                    p("------COLUMN_NAME:" + pkeyRs.getString("COLUMN_NAME"));
                    p("------KEY_SEQ:" + pkeyRs.getString("KEY_SEQ"));
                    p("------PK_NAME:" + pkeyRs.getString("PK_NAME"));
                }
                // 
                ResultSet rss = dmd.getColumns(catalog, schemaPattern, rs.getString("TABLE_NAME"), null);
                int cCount = rss.getMetaData().getColumnCount();
                for (int i = 1; i <= cCount; i++) {
                    p("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
                    p("       getColumnClassName:" + rss.getMetaData().getColumnClassName(i));
                    p("       getColumnLabel:" + rss.getMetaData().getColumnLabel(i));
                    p("       getColumnName:" + rss.getMetaData().getColumnName(i));
                    p("       getColumnTypeName:" + rss.getMetaData().getColumnTypeName(i));
                    p("       getColumnType:" + ColumnTypes.getType(rss.getMetaData().getColumnType(i)));
                }
            }
            rs = dmd.getTableTypes();

            while (rs.next()) {
                p("=========================");
                p("TABLE_TYPE: " + rs.getString("TABLE_TYPE"));
            }
            // ResultSetMetaData rsmd = rs.getMetaData();

            // int numberOfColumns = rsmd.getColumnCount();
            // for (int i = 1; i <= numberOfColumns; i++)
            // p(rsmd.getColumnName(i));
        } catch (SQLException e) {
            e.printStackTrace();
        }

        p(m.toString());
    }
}

---

From source file:Main.java

public static int storedProcWithResultSet() throws Exception {
    Connection conn = null;//from   w w w .j ava 2 s.c  o m
    CallableStatement cs = conn.prepareCall("{? = call proc (?,?,?,?,?,?,?)}");

    // register input parameters
    cs.setString(2, "");
    cs.setString(3, "");
    cs.setString(4, "123");
    // regsiter ouput parameters
    cs.registerOutParameter(5, java.sql.Types.CHAR);
    cs.registerOutParameter(6, java.sql.Types.CHAR);
    cs.registerOutParameter(7, java.sql.Types.CHAR);

    // Procedure execution
    ResultSet rs = cs.executeQuery();

    ResultSetMetaData rsmd = rs.getMetaData();
    int nbCol = rsmd.getColumnCount();
    while (rs.next()) {
        for (int i = 1; i <= nbCol; i++) {
            System.out.println(rs.getString(i));
            System.out.println(rs.getString(i));
        }
    }
    // OUTPUT parameters
    System.out.println("return code of Stored procedure = : " + cs.getInt(1));
    for (int i = 5; i <= 7; i++)
        System.out.println("parameter " + i + " : " + cs.getString(i));
    return cs.getInt(1);
}

---

From source file:Main.java

private static void outputResultSet(ResultSet rs) throws Exception {
    ResultSetMetaData rsMetaData = rs.getMetaData();
    int numberOfColumns = rsMetaData.getColumnCount();
    for (int i = 1; i < numberOfColumns + 1; i++) {
        String columnName = rsMetaData.getColumnName(i);
        System.out.print(columnName + "   ");

    }//from  www .  j a  va2s . c om
    while (rs.next()) {
        for (int i = 1; i < numberOfColumns + 1; i++) {
            System.out.print(rs.getString(i) + "   ");
        }
        System.out.println();
    }

}

---

From source file:Main.java

private static void outputResultSet(ResultSet rs) throws Exception {
    ResultSetMetaData rsMetaData = rs.getMetaData();
    int numberOfColumns = rsMetaData.getColumnCount();
    for (int i = 1; i < numberOfColumns + 1; i++) {
        String columnName = rsMetaData.getColumnName(i);
        System.out.print(columnName + "   ");

    }/*from   ww  w. j  a v a 2s  .  c o  m*/
    System.out.println();
    System.out.println("----------------------");

    while (rs.next()) {
        for (int i = 1; i < numberOfColumns + 1; i++) {
            System.out.print(rs.getString(i) + "   ");
        }
    }

}

---

From source file:Main.java

private static void outputResultSet(ResultSet rs) throws Exception {
    ResultSetMetaData rsMetaData = rs.getMetaData();
    int numberOfColumns = rsMetaData.getColumnCount();
    for (int i = 1; i < numberOfColumns + 1; i++) {
        String columnName = rsMetaData.getColumnName(i);
        System.out.print(columnName + "   ");

    }//w  w w  . ja  v  a  2  s.  c o  m
    while (rs.next()) {
        for (int i = 1; i < numberOfColumns + 1; i++) {
            System.out.print(rs.getString(i) + "   ");
        }
        System.out.println();
    }
}

---

From source file:RSMetaData.java

public static void printColumnNames(ResultSet rs) throws SQLException {
    ResultSetMetaData rmd = rs.getMetaData();
    for (int col = 1; col <= rmd.getColumnCount(); col++)
        System.out.println(rmd.getColumnName(col) + " ");
}

---

From source file:RSMetaData.java

public static void processRs(ResultSet rs) throws SQLException {
    ResultSetMetaData rmd = rs.getMetaData();
    while (rs.next()) {
        for (int col = 1; col <= rmd.getColumnCount(); col++)
            getData(rs, rmd.getColumnType(col), col);
    }//w  w  w .ja va  2  s  . c  o m
}

---

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