//************************************************************************************
//
// Copyright (c) 2004-2008 by Teradata Corporation
// All Rights Reserved
//
// TERADATA CORPORATION CONFIDENTIAL AND TRADE SECRET
//
//************************************************************************************
//
// File: T20908JD.java
// Header: none
// Purpose: Demonstrate obtaining procedure names
// The program will:
// - Connect as user guest/please
// - Obtain and display names of all procedures in
// all databases
// - Disconnect.
//
// JDBC API: java.sql.Connection, java.sql.DatabaseMetaData,
// java.sql.DatabaseMetaData.getProcedures
//
// Version: Updated for Teradata V2R6
//
//************************************************************************************
import java.sql.*;
public class T20908JD
{
// Name of the user able to create, drop, and manipulate tables
public static String sUser = "guest";
public static String sPassword = "please";
public static void main(String args[])
throws ClassNotFoundException
{
// Creation of URL to be passed to the JDBC driver
String url = "jdbc:teradata://whomooz/TMODE=ANSI,CHARSET=UTF8";
// Wildcard used for procedure search
String wildcard = "%";
try
{
System.out.println(" Sample T20908JD: ");
System.out.println(" Looking for the Teradata JDBC driver... ");
// Loading the Teradata JDBC driver
Class.forName("com.teradata.jdbc.TeraDriver");
System.out.println(" JDBC driver loaded. ");
// Attempting to connect to Teradata
System.out.println(" Attempting to connect to Teradata via" +
" the JDBC driver...");
// Creating a connection object
Connection con = DriverManager.getConnection(url, sUser, sPassword);
System.out.println(" User " + sUser + " connected.");
System.out.println(" Connection to Teradata established. ");
try
{
// Creating a DatabaseMetaData object from an active
// connection.
DatabaseMetaData dbmd = con.getMetaData();
System.out.println(" DatabaseMetaData object created. ");
// The following code obtains the names of all procedures
// in all databases.
// Use getProcedures to generate a result set of procedures.
// This method has the following parameters:
// parameter 1: a String object representing a catalog name
// parameter 2: a String object representing a schema name
// pattern (database name)
// parameter 3: a String object representing a procedure
// name pattern (procedure name)
// Each procedure description will contain the following:
// PROCEDURE_CAT (String)
// PROCEDURE_SCHEM (String)
// PROCEDURE_NAME (String)
// Reserved (Reserved for future use.)
// Reserved (Reserved for future use.)
// Reserved (Reserved for future use.)
// REMARKS (String)
// PROCEDURE_TYPE (Short)
// Results will be ordered by PROCEDURE_SCHEM, and
// PROCEDURE_NAME.
// Note: macros are regarded as procedures.
// Please refer to the driver manual for a complete
// description of this method, its implementations,
// and return values.
// The call below will obtain all procedure names in all
// databases, using a search with a wildcard for procedure
// name. The “%” character represents any sequence of zero
// or more characters.
ResultSet rs = dbmd.getProcedures(null, null, wildcard);
// Display the procedure names
System.out.println(" DISPLAYING ALL PROCEDURE NAMES IN ALL "
+ "DATABASES:");
System.out.println(" Database Name : Procedure Name : " +
"Procedure Type");
System.out.println(" ---------------------------------" +
"--------------");
while(rs.next())
{
System.out.println(" " + rs.getString("PROCEDURE_SCHEM") +
" : " + rs.getString("PROCEDURE_NAME") +
" : " + rs.getShort("PROCEDURE_TYPE"));
}
}
finally
{
// Close the connection
System.out.println(" Closing connection to Teradata...");
con.close();
System.out.println(" Connection to Teradata closed. ");
}
System.out.println(" Sample T20908JD finished. ");
}
catch (SQLException ex)
{
// A SQLException was generated. Catch it and display
// the error information.
// Note that there could be multiple error objects chained
// together.
System.out.println();
System.out.println("*** SQLException caught ***");
while (ex != null)
{
System.out.println(" Error code: " + ex.getErrorCode());
System.out.println(" SQL State: " + ex.getSQLState());
System.out.println(" Message: " + ex.getMessage());
ex.printStackTrace();
System.out.println();
ex = ex.getNextException();
}
throw new IllegalStateException ("Sample failed.") ;
}
} // End main
} // End class T20908JD
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