mcs/class/System.Data/System.Data.OleDb/TestOleDb.cs

   1
   2 //
   3 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining
   6 // a copy of this software and associated documentation files (the
   7 // "Software"), to deal in the Software without restriction, including
   8 // without limitation the rights to use, copy, modify, merge, publish,
   9 // distribute, sublicense, and/or sell copies of the Software, and to
  10 // permit persons to whom the Software is furnished to do so, subject to
  11 // the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be
  14 // included in all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 //
  24 using System;
  25 using System.Data.OleDb;
  26
  27 namespace System.Data.OleDb.Test
  28 {
  29         public class TestOleDb
  30         {
  31                 private OleDbConnection m_cnc;
  32
  33                 private TestOleDb ()
  34                 {
  35                         OleDbCommand cmd;
  36
  37                         m_cnc = new OleDbConnection ("Provider=PostgreSQL;Addr=127.0.0.1;Database=rodrigo");
  38                         m_cnc.Open ();
  39
  40                         Console.WriteLine ("Connected to:");
  41                         Console.WriteLine (" Data Source: " + m_cnc.DataSource);
  42                         Console.WriteLine (" Database: " + m_cnc.Database);
  43                         Console.WriteLine (" Connection string: " + m_cnc.ConnectionString);
  44                         Console.WriteLine (" Provider: " + m_cnc.Provider);
  45                         Console.WriteLine (" Server version:" + m_cnc.ServerVersion);
  46
  47                         /* create temporary table */
  48                         Console.WriteLine ("Creating temporary table...");
  49                         cmd = new OleDbCommand ("CREATE TABLE mono_test_table ( " +
  50                                                 " name varchar(25), email varchar(50), date_entered timestamp)",
  51                                                 m_cnc);
  52                         cmd.ExecuteNonQuery ();
  53                         InsertRow ("Mike Smith", "mike@smiths.com");
  54                         InsertRow ("Julie Andrews", "julie@hollywood.com");
  55                         InsertRow ("Michael Jordan", "michael@bulls.com");
  56                 }
  57
  58                 void InsertRow (string name, string email)
  59                 {
  60                         OleDbCommand cmd;
  61
  62                         cmd = new OleDbCommand ("INSERT INTO mono_test_table (name, email, date_entered) VALUES ('" +
  63                                                 name + "', '" + email +"', date 'now')", m_cnc);
  64                         Console.WriteLine ("Executing command '" + cmd.CommandText + "'");
  65                         cmd.ExecuteNonQuery ();
  66
  67                 }
  68
  69                 void DisplayRow (OleDbDataReader reader)
  70                 {
  71                         for (int i = 0; i < reader.FieldCount; i++) {
  72                                 Console.WriteLine (" " + reader.GetDataTypeName (i) + ": " +
  73                                                    reader.GetValue (i).ToString ());
  74                         }
  75                 }
  76
  77                 void TestDataReader ()
  78                 {
  79                         int i = 0;
  80                         string sql = "SELECT * FROM mono_test_table";
  81
  82                         Console.WriteLine ("Executing SELECT command...");
  83                         OleDbCommand cmd = new OleDbCommand (sql, m_cnc);
  84                         OleDbDataReader reader = cmd.ExecuteReader ();
  85
  86                         Console.WriteLine (" Recordset description:");
  87                         for (i = 0; i < reader.FieldCount; i++) {
  88                                 Console.WriteLine ("  Field " + i + ": " +
  89                                                    reader.GetName (i) + " (" +
  90                                                    reader.GetDataTypeName (i) + ")");
  91                         }
  92
  93                         Console.WriteLine ("Reading data...");
  94                         i = 0;
  95                         while (reader.Read ()) {
  96                                 Console.WriteLine ("Row " + i + ":");
  97                                 DisplayRow (reader);
  98                                 i++;
  99                         }
 100
 101                         reader.Close ();
 102                 }
 103
 104                 void TestTransaction ()
 105                 {
 106                         Console.WriteLine ("Starting transaction...");
 107                         OleDbTransaction xaction = m_cnc.BeginTransaction ();
 108
 109                         Console.WriteLine ("Aborting transaction...");
 110                         xaction.Rollback ();
 111                 }
 112
 113                 void Close ()
 114                 {
 115                         OleDbCommand cmd = new OleDbCommand ("DROP TABLE mono_test_table", m_cnc);
 116                         cmd.ExecuteNonQuery ();
 117                         m_cnc.Close ();
 118                 }
 119
 120                 static void Main (string[] args)
 121                 {
 122                         try {
 123                                 TestOleDb test = new TestOleDb ();
 124                                 test.TestDataReader ();
 125                                 test.TestTransaction ();
 126                                 test.Close ();
 127                         } catch (Exception e) {
 128                                 Console.WriteLine ("An error has occured: {0}", e.ToString ());
 129                         }
 130                 }
 131         }
 132 }