System.Data.SQLite

Check-in [4ebae8bc82]
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Overview
Comment:Fix-up spacing on section separators.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | tkt-e235a52c82
Files: files | file ages | folders
SHA1: 4ebae8bc8233dac2ffaf9060738e1cbcdb94ff95
User & Date: mistachkin 2013-01-29 06:35:36.132
Context
2013-01-29
06:35
Fix-up spacing on section separators. Closed-Leaf check-in: 4ebae8bc82 user: mistachkin tags: tkt-e235a52c82
05:33
Enhance test case for ticket [e235a52c82] to demonstrate the effects that different default isolation levels have on created transactions. check-in: a354a124a5 user: mistachkin tags: tkt-e235a52c82
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to Tests/tkt-e235a52c82.eagle.
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      {
        public sealed class Query${id}
        {
          private IDbConnection connection;
          private IDbTransaction transaction;
          private bool opened;

          ///////////////////////////////////////////////////////////////////////
          /////////////////////////////////////////////////////////////////////

          private void EnsureConnection()
          {
            if (connection == null)
            {
              connection = new SQLiteConnection("Data Source=${dataSource};" +
                  "Default IsolationLevel=${isolationLevel};");
            }

            if (connection.State == ConnectionState.Closed)
            {
              connection.Open();
              opened = true;
            }

            if (transaction == null)
              transaction = connection.BeginTransaction();
          }

          ///////////////////////////////////////////////////////////////////////
          /////////////////////////////////////////////////////////////////////

          private void ReleaseConnection()
          {
            if (connection == null)
              throw new Exception("cannot release connection");

            if (opened)
            {
              connection.Close();
              opened = false;
            }
          }

          ///////////////////////////////////////////////////////////////////////
          /////////////////////////////////////////////////////////////////////

          private IDbCommand CreateCommand(
            string commandText
            )
          {
            if (connection == null)
              throw new Exception("cannot create command");

            IDbCommand command = connection.CreateCommand();
            command.CommandText = commandText;

            return command;
          }

          ///////////////////////////////////////////////////////////////////////
          /////////////////////////////////////////////////////////////////////

          public object ExecuteReader(
            string commandText
            )
          {
            object result;
            EnsureConnection();
            IDataReader reader = null;

            try
            {
              reader = CreateCommand(commandText).ExecuteReader();
            }
            catch
            {
              ReleaseConnection();
              throw;
            }

            /////////////////////////////////////////////////////////////////////
            ///////////////////////////////////////////////////////////////////

            try
            {
              result = reader.GetValue(0);
            }
            catch
            {
              reader.Dispose();
              ReleaseConnection();
              throw;
            }

            return result;
          }
        }

        /////////////////////////////////////////////////////////////////////////
        ///////////////////////////////////////////////////////////////////////

        public static class Test${id}
        {
          public static string\[\] GetData()
          {
            return new string\[\] {
              new Query${id}().ExecuteReader("${sql}").ToString(),
              new Query${id}().ExecuteReader("${sql}").ToString()
            };
          }

          ///////////////////////////////////////////////////////////////////////
          /////////////////////////////////////////////////////////////////////

          public static void Main()
          {
            // do nothing.
          }
        }
      }
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