public ColumnData(ColumnDataBase source, IUnmanagedAllocator allocator)
: base(source, allocator)
{
var typed = (ColumnData <T>)source;
m_dbType = typed.DbType;
DataArray = typed.DataArray;
AssignFromDriverRow = typed.AssignFromDriverRow;
AssignToDriverRow = typed.AssignToDriverRow;
WriteData = typed.WriteData;
ReadData = typed.ReadData;
}
public long CreateChangeset(DriverChangeBuffer changeBuffer, bool isBulk)
{
CheckInitialized();
if (changeBuffer == null)
{
throw new ArgumentNullException("changeBuffer");
}
var key = Interlocked.Increment(ref m_lastChangesetHandle);
ColumnDataBase[] columnStores = null;
var documentContainer = m_dataContainer.RequireDocumentContainer(changeBuffer.TargetEntity);
if (changeBuffer.Fields != null && changeBuffer.Fields.Length > 0)
{
columnStores = new ColumnDataBase[changeBuffer.Fields.Length];
for (var i = 0; i < changeBuffer.Fields.Length; i++)
{
var field = changeBuffer.Fields[i];
columnStores[i] = documentContainer.RequireColumnStore(field.FieldId);
}
}
var changesetRec = new RamDriverChangeset(this, changeBuffer, isBulk, documentContainer, columnStores);
documentContainer.StructureLock.EnterReadLock();
try
{
if (!m_changesets.TryAdd(key, changesetRec))
{
throw new Exception("Internal error");
}
return(key);
}
catch
{
documentContainer.StructureLock.ExitReadLock();
throw;
}
}
protected ColumnDataBase(ColumnDataBase source, IUnmanagedAllocator allocator)
{
// may throw due to insufficient memory
NotNulls = new BitVector(source.NotNulls, allocator);
}
/// <summary>
/// Ctr.
/// </summary>
public RamDriverChangeset(RamDriver driver, DriverChangeBuffer changeBuffer, bool isBulk, DocumentDataContainer documentContainer, ColumnDataBase[] columnStores)
{
if (driver == null)
{
throw new ArgumentNullException("driver");
}
if (changeBuffer == null)
{
throw new ArgumentNullException("changeBuffer");
}
if (documentContainer == null)
{
throw new ArgumentNullException("documentContainer");
}
Driver = driver;
ChangeBuffer = changeBuffer;
IsBulk = isBulk;
ColumnStores = columnStores;
DocumentContainer = documentContainer;
}
public long CreateChangeset(DriverChangeBuffer changeBuffer, bool isBulk)
{
CheckInitialized();
if (changeBuffer == null)
{
throw new ArgumentNullException("changeBuffer");
}
var key = Interlocked.Increment(ref m_lastChangesetHandle);
ColumnDataBase[] columnStores = null;
var documentContainer = m_dataContainer.RequireDocumentContainer(changeBuffer.TargetEntity);
if (changeBuffer.Fields != null && changeBuffer.Fields.Length > 0)
{
columnStores = new ColumnDataBase[changeBuffer.Fields.Length];
for (var i = 0; i < changeBuffer.Fields.Length; i++)
{
var field = changeBuffer.Fields[i];
columnStores[i] = documentContainer.RequireColumnStore(field.FieldId);
}
}
var changesetRec = new RamDriverChangeset(this, changeBuffer, isBulk, documentContainer, columnStores);
documentContainer.StructureLock.EnterReadLock();
try
{
if (!m_changesets.TryAdd(key, changesetRec))
{
throw new Exception("Internal error");
}
return key;
}
catch
{
documentContainer.StructureLock.ExitReadLock();
throw;
}
}
private static ColumnDataBase CreateColumnStore(DbType dbType, IUnmanagedAllocator allocator, ColumnDataBase migrated)
{
var dataType = DriverRowData.DeriveSystemType(dbType);
var columnStoreType = typeof(ColumnData<>).MakeGenericType(dataType);
return migrated == null
? (ColumnDataBase) Activator.CreateInstance(columnStoreType, dbType, allocator)
: (ColumnDataBase) Activator.CreateInstance(columnStoreType, migrated, allocator);
}
private static ColumnDataBase CreateColumnStore(DbType dbType, IUnmanagedAllocator allocator, ColumnDataBase migrated)
{
var dataType = DriverRowData.DeriveSystemType(dbType);
var columnStoreType = typeof(ColumnData <>).MakeGenericType(dataType);
return(migrated == null
? (ColumnDataBase)Activator.CreateInstance(columnStoreType, dbType, allocator)
: (ColumnDataBase)Activator.CreateInstance(columnStoreType, migrated, allocator));
}
protected ColumnDataBase(ColumnDataBase source, IUnmanagedAllocator allocator)
{
// may throw due to insufficient memory
NotNulls = new BitVector(source.NotNulls, allocator);
}
