private async Task <IDbContextTransaction> BeginTransactionWithNoPreconditionsAsync(IsolationLevel isolationLevel, CancellationToken cancellationToken = default(CancellationToken))
{
DbTransaction dbTransaction = null;
if (DbConnection is MySqlConnection mySqlConnection)
{
dbTransaction = await mySqlConnection.BeginTransactionAsync(isolationLevel).ConfigureAwait(false);
}
else
{
dbTransaction = DbConnection.BeginTransaction(isolationLevel);
}
CurrentTransaction
= new MySqlRelationalTransaction(
this,
dbTransaction,
Dependencies.TransactionLogger,
transactionOwned: true);
Dependencies.TransactionLogger.TransactionStarted(
this,
dbTransaction,
CurrentTransaction.TransactionId,
DateTimeOffset.UtcNow);
return(CurrentTransaction);
}
/// <summary>
/// Specifies an existing <see cref="DbTransaction" /> to be used for database operations.
/// </summary>
/// <param name="transaction"> The transaction to be used. </param>
public override IDbContextTransaction UseTransaction(DbTransaction transaction)
{
if (transaction == null)
{
if (CurrentTransaction != null)
{
CurrentTransaction = null;
}
}
else
{
if (CurrentTransaction != null)
{
throw new InvalidOperationException(RelationalStrings.TransactionAlreadyStarted);
}
Open();
CurrentTransaction = new MySqlRelationalTransaction(
this,
transaction,
Dependencies.TransactionLogger,
transactionOwned: false);
Dependencies.TransactionLogger.TransactionUsed(
this,
transaction,
CurrentTransaction.TransactionId,
DateTimeOffset.UtcNow);
}
return(CurrentTransaction);
}
public IDbContextTransaction UseTransaction(DbTransaction transaction)
{
if (transaction == null)
{
if (CurrentTransaction != null)
{
CurrentTransaction = null;
DoClose();
}
}
else
{
var mySqlTransaction = transaction as MySqlTransaction;
if (mySqlTransaction == null)
{
throw new InvalidCastException("transaction must be of the type MySqlTransaction");
}
if (CurrentTransaction != null)
{
throw new InvalidOperationException(RelationalStrings.TransactionAlreadyStarted);
}
DoOpen();
CurrentTransaction = new MySqlRelationalTransaction(this, mySqlTransaction, false);
}
return(CurrentTransaction);
}
private async Task <IDbContextTransaction> BeginTransactionWithNoPreconditionsAsync(
IsolationLevel isolationLevel,
CancellationToken cancellationToken = default(CancellationToken)
)
{
CurrentTransaction = new MySqlRelationalTransaction(this, await MySqlDbConnection.BeginTransactionAsync(isolationLevel, cancellationToken).ConfigureAwait(false), true);
return(CurrentTransaction);
}
private IDbContextTransaction BeginTransactionWithNoPreconditions(IsolationLevel isolationLevel)
{
Check.NotNull(_logger, nameof(_logger));
_logger.LogDebug(
RelationalEventId.BeginningTransaction,
isolationLevel,
il => RelationalStrings.RelationalLoggerBeginningTransaction(il.ToString("G")));
// ReSharper disable once AssignNullToNotNullAttribute
CurrentTransaction = new MySqlRelationalTransaction(this, MySqlDbConnection.BeginTransaction(isolationLevel) as MySqlTransaction, _logger, true);
return(CurrentTransaction);
}
private async Task <IDbContextTransaction> BeginTransactionWithNoPreconditionsAsync(
IsolationLevel isolationLevel,
CancellationToken cancellationToken = default(CancellationToken)
)
{
Check.NotNull(_logger, nameof(_logger));
_logger.LogDebug(
RelationalEventId.BeginningTransaction,
isolationLevel,
il => RelationalStrings.RelationalLoggerBeginningTransaction(il.ToString("G")));
CurrentTransaction = new MySqlRelationalTransaction(this, await MySqlDbConnection.BeginTransactionAsync(isolationLevel, cancellationToken).ConfigureAwait(false), _logger, true);
return(CurrentTransaction);
}
private IDbContextTransaction BeginTransactionWithNoPreconditions(IsolationLevel isolationLevel)
{
// ReSharper disable once AssignNullToNotNullAttribute
CurrentTransaction = new MySqlRelationalTransaction(this, MySqlDbConnection.BeginTransaction(isolationLevel) as MySqlTransaction, true);
return(CurrentTransaction);
}
