Example usage for java.sql ResultSetMetaData getColumnTypeName

Introduction

In this page you can find the example usage for java.sql ResultSetMetaData getColumnTypeName.

Prototype

String getColumnTypeName(int column) throws SQLException;

Source Link

Document

Retrieves the designated column's database-specific type name.

Usage

From source file:Main.java

public static void main(String[] args) throws ClassNotFoundException, SQLException {
    Class.forName(DRIVER);/*from w w w .  j  a  v a2  s .  c o m*/
    Connection con = DriverManager.getConnection(CONNECTION_URL, USERNAME, PASSWORD);
    ResultSet rs = con.createStatement().executeQuery(QUERY);
    if (rs != null) {
        System.out.println("Column Type\t\t Column Name");

        ResultSetMetaData rsmd = rs.getMetaData();
        for (int i = 1; i <= rsmd.getColumnCount(); i++) {
            System.out.println(rsmd.getColumnTypeName(i) + "\t\t\t" + rsmd.getColumnName(i));
        }
    }
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    Connection conn = null;/* www .  j a v  a  2s . c om*/
    Statement s = null;
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    conn = DriverManager.getConnection("jdbc:odbc:Driver={SQL Server};" + "Server=.\\SQLEXPRESS;"
            + "Trusted_Connection=yes;" + "Database=myDb");
    s = conn.createStatement();
    s.executeQuery("SELECT * FROM dbo.SalesSummary WHERE 0 = 1");
    ResultSet rs = s.getResultSet();
    ResultSetMetaData rsmd = rs.getMetaData();
    for (int i = 1; i <= rsmd.getColumnCount(); i++) {
        System.out.println(String.format("-- Column %d --", i));
        System.out.println(String.format("Column name: %s", rsmd.getColumnName(i)));
        System.out.println(String.format("Database-specific type name: %s", rsmd.getColumnTypeName(i)));
        System.out.println(String.format("Column size (DisplaySize): %d", rsmd.getColumnDisplaySize(i)));
        System.out.println(String.format("java.sql.Type of column: %d", rsmd.getColumnType(i)));
        System.out.println();
    }
    s.close();
    conn.close();
}

From source file:RSMetaDataMethods.java

public static void main(String args[]) {

    String url = "jdbc:mySubprotocol:myDataSource";
    Connection con;//from  w w  w.j  a  v a2  s. com
    Statement stmt;

    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");

        stmt = con.createStatement();

        ResultSet rs = stmt.executeQuery("select * from COFFEES");
        ResultSetMetaData rsmd = rs.getMetaData();

        int numberOfColumns = rsmd.getColumnCount();
        for (int i = 1; i <= numberOfColumns; i++) {
            String colName = rsmd.getColumnName(i);
            String tableName = rsmd.getTableName(i);
            String name = rsmd.getColumnTypeName(i);
            boolean caseSen = rsmd.isCaseSensitive(i);
            boolean writable = rsmd.isWritable(i);
            System.out.println("Information for column " + colName);
            System.out.println("    Column is in table " + tableName);
            System.out.println("    DBMS name for type is " + name);
            System.out.println("    Is case sensitive:  " + caseSen);
            System.out.println("    Is possibly writable:  " + writable);
            System.out.println("");
        }

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

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

    } catch (SQLException ex) {
        System.err.println("SQLException: " + ex.getMessage());
    }
}

From source file:ResultSetMetaDataExample.java

public static void main(String args[]) throws Exception {
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    Connection con = DriverManager.getConnection("jdbc:odbc:Inventory", "", "");
    Statement stmt = con.createStatement();

    boolean notDone = true;
    String sqlStr = null;/*from w w w.  ja v  a  2s  . c o m*/
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

    while (notDone) {
        sqlStr = br.readLine();
        if (sqlStr.startsWith("SELECT") || sqlStr.startsWith("select")) {
            ResultSet rs = stmt.executeQuery(sqlStr);
            ResultSetMetaData rsmd = rs.getMetaData();
            int columnCount = rsmd.getColumnCount();
            for (int x = 1; x <= columnCount; x++) {
                String columnName = rsmd.getColumnName(x);
                System.out.print(columnName);
            }
            while (rs.next()) {
                for (int x = 1; x <= columnCount; x++) {
                    if (rsmd.getColumnTypeName(x).compareTo("CURRENCY") == 0)
                        System.out.print("$");
                    String resultStr = rs.getString(x);
                    System.out.print(resultStr + "\t");
                }
            }
        } else if (sqlStr.startsWith("exit"))
            notDone = false;
    }
    stmt.close();
    con.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");

    st = conn.createStatement();/*w  w w.  ja  v  a  2 s.c  o m*/
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    ResultSetMetaData rsMetaData = rs.getMetaData();

    int numberOfColumns = rsMetaData.getColumnCount();
    System.out.println("resultSet MetaData column Count=" + numberOfColumns);

    for (int i = 1; i <= numberOfColumns; i++) {
        System.out.println("column MetaData ");
        System.out.println("column number " + i);

        // get the designated column's SQL type name.
        System.out.println(rsMetaData.getColumnTypeName(i));
    }

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

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");

    st = conn.createStatement();//w  ww  .ja va 2 s  .co m
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    ResultSetMetaData rsMetaData = rs.getMetaData();

    int numberOfColumns = rsMetaData.getColumnCount();
    System.out.println("resultSet MetaData column Count=" + numberOfColumns);

    for (int i = 1; i <= numberOfColumns; i++) {
        System.out.println("column MetaData ");
        System.out.println("column number " + i);
        System.out.println(rsMetaData.getColumnDisplaySize(i));
        System.out.println(rsMetaData.getColumnLabel(i));
        System.out.println(rsMetaData.getColumnName(i));
        System.out.println(rsMetaData.getColumnType(i));
        System.out.println(rsMetaData.getColumnTypeName(i));
        System.out.println(rsMetaData.getColumnClassName(i));
        System.out.println(rsMetaData.getTableName(i));
        System.out.println(rsMetaData.getPrecision(i));
        System.out.println(rsMetaData.getScale(i));
        System.out.println(rsMetaData.isAutoIncrement(i));
        System.out.println(rsMetaData.isCurrency(i));
        System.out.println(rsMetaData.isWritable(i));
        System.out.println(rsMetaData.isDefinitelyWritable(i));
        System.out.println(rsMetaData.isNullable(i));
        System.out.println(rsMetaData.isReadOnly(i));
        System.out.println(rsMetaData.isCaseSensitive(i));
        System.out.println(rsMetaData.isSearchable(i));
        System.out.println(rsMetaData.isSigned(i));
        System.out.println(rsMetaData.getCatalogName(i));
        System.out.println(rsMetaData.getSchemaName(i));
    }
    st.close();
    conn.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");

    st = conn.createStatement();//from  w w w . java2s.c o m
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    ResultSetMetaData rsMetaData = rs.getMetaData();

    int numberOfColumns = rsMetaData.getColumnCount();
    System.out.println("resultSet MetaData column Count=" + numberOfColumns);

    for (int i = 1; i <= numberOfColumns; i++) {
        System.out.println("column MetaData ");
        System.out.println("column number " + i);
        // indicates the designated column's normal maximum width in
        // characters
        System.out.println(rsMetaData.getColumnDisplaySize(i));
        // gets the designated column's suggested title
        // for use in printouts and displays.
        System.out.println(rsMetaData.getColumnLabel(i));
        // get the designated column's name.
        System.out.println(rsMetaData.getColumnName(i));

        // get the designated column's SQL type.
        System.out.println(rsMetaData.getColumnType(i));

        // get the designated column's SQL type name.
        System.out.println(rsMetaData.getColumnTypeName(i));

        // get the designated column's class name.
        System.out.println(rsMetaData.getColumnClassName(i));

        // get the designated column's table name.
        System.out.println(rsMetaData.getTableName(i));

        // get the designated column's number of decimal digits.
        System.out.println(rsMetaData.getPrecision(i));

        // gets the designated column's number of
        // digits to right of the decimal point.
        System.out.println(rsMetaData.getScale(i));

        // indicates whether the designated column is
        // automatically numbered, thus read-only.
        System.out.println(rsMetaData.isAutoIncrement(i));

        // indicates whether the designated column is a cash value.
        System.out.println(rsMetaData.isCurrency(i));

        // indicates whether a write on the designated
        // column will succeed.
        System.out.println(rsMetaData.isWritable(i));

        // indicates whether a write on the designated
        // column will definitely succeed.
        System.out.println(rsMetaData.isDefinitelyWritable(i));

        // indicates the nullability of values
        // in the designated column.
        System.out.println(rsMetaData.isNullable(i));

        // Indicates whether the designated column
        // is definitely not writable.
        System.out.println(rsMetaData.isReadOnly(i));

        // Indicates whether a column's case matters
        // in the designated column.
        System.out.println(rsMetaData.isCaseSensitive(i));

        // Indicates whether a column's case matters
        // in the designated column.
        System.out.println(rsMetaData.isSearchable(i));

        // indicates whether values in the designated
        // column are signed numbers.
        System.out.println(rsMetaData.isSigned(i));

        // Gets the designated column's table's catalog name.
        System.out.println(rsMetaData.getCatalogName(i));

        // Gets the designated column's table's schema name.
        System.out.println(rsMetaData.getSchemaName(i));
    }

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

From source file:PrintColumns.java

public static void printColTypes(ResultSetMetaData rsmd) throws SQLException {
    int columns = rsmd.getColumnCount();
    for (int i = 1; i <= columns; i++) {
        int jdbcType = rsmd.getColumnType(i);
        String name = rsmd.getColumnTypeName(i);
        System.out.print("Column " + i + " is JDBC type " + jdbcType);
        System.out.println(", which the DBMS calls " + name);
    }//w ww .  ja v a  2  s.  com
}

From source file:RSMetaData.java

public static void printColumnInfo(ResultSet rs) throws SQLException {
    ResultSetMetaData rsmd = rs.getMetaData();
    int cols = rsmd.getColumnCount();
    for (int colIdx = 1; colIdx <= cols; colIdx++) {
        String name = rsmd.getColumnName(colIdx);
        int type = rsmd.getColumnType(colIdx);
        String typeName = rsmd.getColumnTypeName(colIdx);
        System.out.println(name + ", " + type + ", " + typeName);
    }//from  w  w  w.j a  v a2  s .c  om
}

From source file:Student.java

  public static void checkData() throws Exception {
  Class.forName("org.hsqldb.jdbcDriver");
  Connection conn = DriverManager.getConnection("jdbc:hsqldb:data/tutorial", "sa", "");
  Statement st = conn.createStatement();

  ResultSet mrs = conn.getMetaData().getTables(null, null, null, new String[] { "TABLE" });
  while (mrs.next()) {
    String tableName = mrs.getString(3);
    System.out.println("\n\n\n\nTable Name: "+ tableName);

    ResultSet rs = st.executeQuery("select * from " + tableName);
    ResultSetMetaData metadata = rs.getMetaData();
    while (rs.next()) {
      System.out.println(" Row:");
      for (int i = 0; i < metadata.getColumnCount(); i++) {
        System.out.println("    Column Name: "+ metadata.getColumnLabel(i + 1)+ ",  ");
        System.out.println("    Column Type: "+ metadata.getColumnTypeName(i + 1)+ ":  ");
        Object value = rs.getObject(i + 1);
        System.out.println("    Column Value: "+value+"\n");
      }/*from w w w . ja  v a 2s  . c o m*/
    }
  }
}