public override void FillTable(ITableStructure table, IDataQueue queue, TableCopyOptions opts)
{
var name = new NameWithSchema(table.FullName.Schema, table.FullName.Name, false);
var entry = m_zip.PutNextEntry(XmlTool.NormalizeIdentifier(name.ToString()) + ".drs");
BedDataStats stats = new BedDataStats();
BedTool.WriteQueueToStream(queue, m_zip, stats);
ProgressInfo.LogMessage("s_export", LogLevel.Info, Texts.Get("s_exported$table$rows$bytes", "rows", stats.Rows, "bytes", stats.Bytes, "table", table.FullName));
//ZipEntry entry = new ZipEntry(XmlTool.NormalizeIdentifier(table.FullName.ToString()) + ".xml");
//m_zip.PutNextEntry(entry);
//XmlTool.WriteQueueToXml(queue, m_zip, "DataSet", "DataRow");
}
public static void WriteQueueToStream(IDataQueue queue, Stream fw, BedDataStats stats)
{
BinaryWriter bw = new BinaryWriter(fw);
bw.Write(SIGNATURE);
bw.Write((int)2); // version
var ts = queue.GetRowFormat;
bw.Write7BitEncodedInt(ts.Columns.Count);
var pk = ts.FindConstraint <IPrimaryKey>();
foreach (IColumnStructure col in ts.Columns)
{
bw.Write(col.ColumnName);
bw.Write((byte)col.DataType.DefaultStorage);
ColFlags flags = 0;
if (pk != null && pk.Columns.IndexOfIf(c => c.ColumnName == col.ColumnName) >= 0)
{
flags |= ColFlags.ISPK;
}
bw.Write((byte)flags);
}
MemoryStream rowdata = new MemoryStream();
BinaryWriter bwrow = new BinaryWriter(rowdata);
try
{
while (!queue.IsEof)
{
rowdata.Position = 0;
rowdata.SetLength(0);
IBedRecord row = queue.GetRecord();
BedTool.SaveRecord(ts.Columns.Count, row, bwrow);
bw.Write7BitEncodedInt((int)rowdata.Length);
rowdata.WriteTo(bw.BaseStream);
if (stats != null)
{
stats.Rows++;
stats.Bytes += (int)rowdata.Length;
stats.Bytes += 4;
}
}
}
finally
{
queue.CloseReading();
}
// write EOF mark
bw.Write7BitEncodedInt(-1);
}
