protected override int? Execute(CommandExecutionToken<NpgsqlCommand, NpgsqlParameter> executionToken, CommandImplementation<NpgsqlCommand> implementation, object state)
{
if (executionToken == null)
throw new ArgumentNullException("executionToken", "executionToken is null.");
if (implementation == null)
throw new ArgumentNullException("implementation", "implementation is null.");
var startTime = DateTimeOffset.Now;
OnExecutionStarted(executionToken, startTime, state);
try
{
using (var con = CreateConnection())
{
using (var cmd = new NpgsqlCommand())
{
cmd.Connection = con;
if (DefaultCommandTimeout.HasValue)
cmd.CommandTimeout = (int)DefaultCommandTimeout.Value.TotalSeconds;
cmd.CommandText = executionToken.CommandText;
cmd.CommandType = executionToken.CommandType;
foreach (var param in executionToken.Parameters)
cmd.Parameters.Add(param);
executionToken.ApplyCommandOverrides(cmd);
int? rows;
if (((PostgreSqlCommandExecutionToken)executionToken).DereferenceCursors)
rows = DereferenceCursors(cmd, implementation);
else
rows = implementation(cmd);
executionToken.RaiseCommandExecuted(cmd, rows);
OnExecutionFinished(executionToken, startTime, DateTimeOffset.Now, rows, state);
return rows;
}
}
}
catch (Exception ex)
{
OnExecutionError(executionToken, startTime, DateTimeOffset.Now, ex, state);
throw;
}
}