private void OnError(DBTableWriterErrorEventArgs e)
{
if (this.ErrorOccured != null)
{
this.ErrorOccured(this, e);
}
}
public long Write(IDataReader reader, int?timeoutMilliseconds, int batchSize)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
var columnNames = GetDataReaderColumnNames(reader);
var statement = GenerateStatement(_tableName, columnNames);
var timeout = timeoutMilliseconds.HasValue ? timeoutMilliseconds.Value : 0;
var recordIndex = 0L;
var recordCount = 0L;
using (var conn = _connection)
{
conn.Open();
var read = false;
DbTransaction tran = null;
try
{
read = reader.Read();
}
catch (Exception exc)
{
var e = new DBTableWriterErrorEventArgs(DBTableWriterErrorFlags.ReadError, recordIndex, exc);
OnError(e);
if (!e.TrySkipError)
{
return(recordCount);
}
}
while (read)
{
var batchRecordIndex = 0;
if (batchSize > 1)
{
tran = conn.BeginTransaction();
}
var command = _connection.CreateCommand();
command.Transaction = tran;
command.CommandType = CommandType.Text;
command.CommandText = statement;
command.CommandTimeout = timeout;
while (read)
{
try
{
recordIndex++;
AddParameters(command, reader);
command.ExecuteNonQuery();
recordCount++;
batchRecordIndex++;
}
catch (Exception exc)
{
var e = new DBTableWriterErrorEventArgs(DBTableWriterErrorFlags.WriteError, recordIndex, exc);
OnError(e);
if (!e.TrySkipError)
{
if (tran != null)
{
tran.Rollback();
tran.Dispose();
}
return(recordCount);
}
}
try
{
read = reader.Read();
}
catch (Exception exc)
{
var e = new DBTableWriterErrorEventArgs(DBTableWriterErrorFlags.ReadError, recordIndex, exc);
OnError(e);
if (!e.TrySkipError)
{
if (tran != null)
{
tran.Rollback();
tran.Dispose();
}
return(recordCount);
}
}
if (batchRecordIndex >= batchSize)
{
batchRecordIndex = 0;
break;
}
}
if (batchSize > 1)
{
tran.Commit();
}
}
}
return(recordCount);
}
public long Write(IDataReader reader, int? timeoutMilliseconds, int batchSize)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
var columnNames = GetDataReaderColumnNames(reader);
var statement = GenerateStatement(_tableName, columnNames);
var timeout = timeoutMilliseconds.HasValue ? timeoutMilliseconds.Value : 0;
var recordIndex = 0L;
var recordCount = 0L;
using (var conn = _connection)
{
conn.Open();
var read = false;
DbTransaction tran = null;
try
{
read = reader.Read();
}
catch (Exception exc)
{
var e = new DBTableWriterErrorEventArgs(DBTableWriterErrorFlags.ReadError, recordIndex, exc);
OnError(e);
if (!e.TrySkipError)
{
return recordCount;
}
}
while (read)
{
var batchRecordIndex = 0;
if (batchSize > 1)
{
tran = conn.BeginTransaction();
}
var command = _connection.CreateCommand();
command.Transaction = tran;
command.CommandType = CommandType.Text;
command.CommandText = statement;
command.CommandTimeout = timeout;
while (read)
{
try
{
recordIndex++;
AddParameters(command, reader);
command.ExecuteNonQuery();
recordCount++;
batchRecordIndex++;
}
catch (Exception exc)
{
var e = new DBTableWriterErrorEventArgs(DBTableWriterErrorFlags.WriteError, recordIndex, exc);
OnError(e);
if (!e.TrySkipError)
{
if (tran != null)
{
tran.Rollback();
tran.Dispose();
}
return recordCount;
}
}
try
{
read = reader.Read();
}
catch (Exception exc)
{
var e = new DBTableWriterErrorEventArgs(DBTableWriterErrorFlags.ReadError, recordIndex, exc);
OnError(e);
if (!e.TrySkipError)
{
if (tran != null)
{
tran.Rollback();
tran.Dispose();
}
return recordCount;
}
}
if (batchRecordIndex >= batchSize)
{
batchRecordIndex = 0;
break;
}
}
if (batchSize > 1)
{
tran.Commit();
}
}
}
return recordCount;
}
private void OnError(DBTableWriterErrorEventArgs e)
{
if (this.ErrorOccured != null)
{
this.ErrorOccured(this, e);
}
}
