public void Extract(out TableData data)
{
data = new TableData();
string[] record;
// Skip records.
for (int i = 0; i < idOffset - 1; i++)
{
reader.ReadNextRecord(out record);
}
int recordCounter = 0;
while (reader.ReadNextRecord(out record))
{
// Skip header and record column count.
if (recordCounter == 0)
{
data.header = record;
recordCounter++;
int columnCount = record.Length;
writer.CreateFields(columnCount + ADDITIONAL_COLUMNS_COUNT);
data.columnCount = columnCount;
continue;
}
string[] hashedRecord = BuildHashedRecord(record);
writer.Write(hashedRecord.ToArray());
recordCounter++;
if (recordCounter % 1000 == 0)
{
Console.WriteLine("Extracted {0} rows.", recordCounter);
}
}
reader.Close();
data.recordCount = recordCounter;
}