/// <summary>
/// Returns all rows for the specified table (via tree address)
/// </summary>
/// <param name="treeAddress">The tree's address (dbId, tableId)</param>
/// <returns>All rows for the table</returns>
public List <RowStruct> GetAllRows(BTreeAddress treeAddress)
{
var result = new List <RowStruct>();
Database2 database = _process.GetDatabase2(treeAddress.DatabaseId);
TableSchema2 schema = database.GetTable(treeAddress.TableId).Schema;
if (CacheHasContainer(treeAddress))
{
result.AddRange(GetContainerFromCache(treeAddress).GetAllRows(schema, false));
}
else
{
AddContainerToCache(treeAddress);
result.AddRange(GetContainerFromCache(treeAddress).GetAllRows(schema, false));
}
return(result);
}
/// <summary>
/// Tries to load a container from disk file. If this is a fresh database, will return a new container.
/// </summary>
/// <param name="address">The address of the container to get</param>
/// <returns>A container from disk</returns>
private BTreeContainer GetContainerFromDisk(BTreeAddress address)
{
Database2 db = _process.GetDatabase2(address.DatabaseId);
DbStorage storage = db.Storage;
var tree = new TreeDictionary <int, Page>();
TableSchema2 schema = db.GetTable(address.TableId).Schema;
// get the first page
Page page = storage.GetPage(1, address);
// if this is a brand new table
if (page == null)
{
page = new Page(1, address.TableId, address.DatabaseId, schema, _process);
}
tree.Add(page.Id, page);
return(new BTreeContainer(address, tree, storage, schema, _process));
}
