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| 1 | +using Oracle.ManagedDataAccess.Client; |
| 2 | +using System.Threading.Tasks; |
| 3 | +using System.Threading; |
| 4 | +using System; |
| 5 | + |
| 6 | +// This code sample demonstrates using synchronous ODP.NET (managed or core) without pipelining. |
| 7 | +// It times opening a connection and several query executions. |
| 8 | +// To run this app, add your database's HR schema User Id, Password, and Data Source values |
| 9 | +// with ODP.NET 23ai or higher connecting to an Oracle Database 23ai or higher. |
| 10 | + |
| 11 | +class ODPNET_Sync_And_No_Pipelining |
| 12 | +{ |
| 13 | + static void Main() |
| 14 | + { |
| 15 | + // Add password and data source to connect to your Oracle database |
| 16 | + string conString = "User Id=hr;Password=<PASSWORD>;Data Source=<DATA SOURCE>;"; |
| 17 | + |
| 18 | + using (OracleConnection con = new OracleConnection(conString)) |
| 19 | + { |
| 20 | + string cmdText1 = "SELECT * FROM EMPLOYEES"; |
| 21 | + string cmdText2 = "SELECT * FROM DEPARTMENTS"; |
| 22 | + string cmdText3 = "SELECT * FROM JOBS"; |
| 23 | + |
| 24 | + OracleCommand cmd1 = new OracleCommand(cmdText1, con); |
| 25 | + OracleCommand cmd2 = new OracleCommand(cmdText2, con); |
| 26 | + OracleCommand cmd3 = new OracleCommand(cmdText3, con); |
| 27 | + |
| 28 | + // Measure how long connection open takes |
| 29 | + DateTime start_time = DateTime.Now; |
| 30 | + con.Open(); |
| 31 | + DateTime end_time_open = DateTime.Now; |
| 32 | + |
| 33 | + // Simulate an operation that takes one second |
| 34 | + Thread.Sleep(1000); |
| 35 | + |
| 36 | + // Measure time for query executions |
| 37 | + DateTime start_time_query = DateTime.Now; |
| 38 | + cmd1.ExecuteNonQuery(); |
| 39 | + cmd2.ExecuteNonQuery(); |
| 40 | + cmd3.ExecuteNonQuery(); |
| 41 | + |
| 42 | + // Simulate an operation that takes one second |
| 43 | + Thread.Sleep(1000); |
| 44 | + |
| 45 | + // Record time all the synchronous operations took plus the sleep time |
| 46 | + DateTime end_time_all = DateTime.Now; |
| 47 | + |
| 48 | + // Calculate connection open time |
| 49 | + TimeSpan ts_open = end_time_open - start_time; |
| 50 | + double ts_open1 = Math.Round(ts_open.TotalSeconds, 2); |
| 51 | + Console.WriteLine("Synchronous connection open time: " + ts_open1 + " seconds"); |
| 52 | + |
| 53 | + // Calculate SQL executions time |
| 54 | + TimeSpan ts_sql = end_time_all - start_time_query; |
| 55 | + double ts_sql1 = Math.Round(ts_sql.TotalSeconds, 2); |
| 56 | + Console.WriteLine("Synchronous query execution time: " + ts_sql1 + " seconds"); |
| 57 | + |
| 58 | + // Calculate overall ODP.NET operation time |
| 59 | + TimeSpan ts_all = end_time_all - start_time; |
| 60 | + double ts_all1 = Math.Round(ts_all.TotalSeconds, 2); |
| 61 | + Console.WriteLine("Synchronous operation total time: " + ts_all1 + " seconds"); |
| 62 | + |
| 63 | + cmd1.Dispose(); |
| 64 | + cmd2.Dispose(); |
| 65 | + cmd3.Dispose(); |
| 66 | + } |
| 67 | + } |
| 68 | +} |
| 69 | + |
| 70 | +/* Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved. */ |
| 71 | + |
| 72 | +/****************************************************************************** |
| 73 | + * |
| 74 | + * You may not use the identified files except in compliance with The MIT |
| 75 | + * License (the "License.") |
| 76 | + * |
| 77 | + * You may obtain a copy of the License at |
| 78 | + * https://github.com/oracle/Oracle.NET/blob/master/LICENSE |
| 79 | + * |
| 80 | + * Unless required by applicable law or agreed to in writing, software |
| 81 | + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 82 | + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 83 | + * |
| 84 | + * See the License for the specific language governing permissions and |
| 85 | + * limitations under the License. |
| 86 | + * |
| 87 | + *****************************************************************************/ |
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