/// <summary>
/// Log execution command
/// </summary>
/// <param name="command">Exection command</param>
internal static void LogExecutionCommand(DatabaseExecutionCommand command)
{
FrameworkLogManager.LogDatabaseExecutionCommand(ProviderType, CurrentDatabaseServerType, command);
}
/// <summary>
/// Execute command
/// </summary>
/// <param name="server">Database server</param>
/// <param name="executionOptions">Execution options</param>
/// <param name="commands">Commands</param>
/// <returns>Return the affected data numbers</returns>
public async Task <int> ExecuteAsync(DatabaseServer server, CommandExecutionOptions executionOptions, IEnumerable <ICommand> commands)
{
#region group execution commands
IQueryTranslator translator = PostgreSqlManager.GetQueryTranslator(DataAccessContext.Create(server));
List <DatabaseExecutionCommand> databaseExecutionCommands = new List <DatabaseExecutionCommand>();
var batchExecutionConfig = DataManager.GetBatchExecutionConfiguration(server.ServerType) ?? BatchExecutionConfiguration.Default;
var groupStatementsCount = batchExecutionConfig.GroupStatementsCount;
groupStatementsCount = groupStatementsCount < 0 ? 1 : groupStatementsCount;
var groupParameterCount = batchExecutionConfig.GroupParametersCount;
groupParameterCount = groupParameterCount < 0 ? 1 : groupParameterCount;
StringBuilder commandTextBuilder = new StringBuilder();
CommandParameters parameters = null;
int statementsCount = 0;
bool forceReturnValue = false;
int cmdCount = 0;
DatabaseExecutionCommand GetGroupExecuteCommand()
{
var executionCommand = new DatabaseExecutionCommand()
{
CommandText = commandTextBuilder.ToString(),
CommandType = CommandType.Text,
MustAffectedData = forceReturnValue,
Parameters = parameters
};
statementsCount = 0;
translator.ParameterSequence = 0;
commandTextBuilder.Clear();
parameters = null;
forceReturnValue = false;
return(executionCommand);
}
foreach (var cmd in commands)
{
DatabaseExecutionCommand databaseExecutionCommand = GetDatabaseExecutionCommand(translator, cmd as DefaultCommand);
if (databaseExecutionCommand == null)
{
continue;
}
//Trace log
PostgreSqlManager.LogExecutionCommand(databaseExecutionCommand);
cmdCount++;
if (databaseExecutionCommand.PerformAlone)
{
if (statementsCount > 0)
{
databaseExecutionCommands.Add(GetGroupExecuteCommand());
}
databaseExecutionCommands.Add(databaseExecutionCommand);
continue;
}
commandTextBuilder.AppendLine(databaseExecutionCommand.CommandText);
parameters = parameters == null ? databaseExecutionCommand.Parameters : parameters.Union(databaseExecutionCommand.Parameters);
forceReturnValue |= databaseExecutionCommand.MustAffectedData;
statementsCount++;
if (translator.ParameterSequence >= groupParameterCount || statementsCount >= groupStatementsCount)
{
databaseExecutionCommands.Add(GetGroupExecuteCommand());
}
}
if (statementsCount > 0)
{
databaseExecutionCommands.Add(GetGroupExecuteCommand());
}
#endregion
return(await ExecuteDatabaseCommandAsync(server, executionOptions, databaseExecutionCommands, executionOptions?.ExecutionByTransaction ?? cmdCount > 1).ConfigureAwait(false));
}
