public ITabularDataView GetTabularData() { Async.SafeOpen(Connection); // get tabular data requires allready opened connection GridTable tbl = new GridTable(m_table, m_table.FullName.ToString()); IDataQueue queue = new GenericDataQueue(m_table, m_table, new IdentityTransform(m_table)); tbl.FillOnBackground(queue); Conn.BeginReadTable(m_table.FullName, queue, FinishedReadTable); return(tbl); }
protected override void DoRun(IJobRunEnv env) { m_source.Mode = TabularDataStoreMode.Read; m_target.Mode = TabularDataStoreMode.Write; m_target.CopyOptions = m_copyOptions; Async.SafeOpen(m_source.Connection); Async.SafeOpen(m_target.Connection); IAsyncResult asyncs = m_source.BeginGetRowFormat(null); m_sourceStruct = m_source.EndGetRowFormat(asyncs); IAsyncResult asynct = m_target.BeginGetRowFormat(null); m_targetStruct = m_target.EndGetRowFormat(asynct); var targetFull = m_targetStruct; if (m_transform == null) { m_transform = RowTransformAddonType.Instance.LoadRowTransform(m_transformXml, m_sourceStruct, m_targetStruct); if (!m_target.AvailableRowFormat) { m_target.SetRowFormat(m_transform.OutputFormat); m_targetStruct = m_transform.OutputFormat; } } GenericDataQueue queue = new GenericDataQueue(m_sourceStruct, m_transform.OutputFormat, m_transform); if (m_target.Connection != null && m_target.Connection.SystemConnection != null) { var fi = m_source as IDataFormatHolder; var fmt = fi != null ? fi.FormatSettings : new DataFormatSettings(); var outputAdapter = new RecordToDbAdapter(m_transform.OutputFormat, targetFull, m_target.Connection.Dialect, fmt); outputAdapter.ProgressInfo = ProgressInfo; queue.AddOutputAdapter(outputAdapter); } m_source.ProgressInfo = ProgressInfo; m_target.ProgressInfo = ProgressInfo; IAsyncResult async_src = m_source.BeginRead(null, queue); IAsyncResult async_dst = m_target.BeginWrite(null, queue); if (async_src is ICancelable) { m_cancelSrc = (ICancelable)async_src; } if (async_dst is ICancelable) { m_cancelDst = (ICancelable)async_dst; } try { m_source.EndRead(async_src); } finally { m_target.EndWrite(async_dst); } Async.SafeClose(m_source.Connection); Async.SafeClose(m_target.Connection); }
public static void CopyDatabase(IDatabaseSource src, IDatabaseWriter dst, IProgressInfo progress, DatabaseCopyOptions copyOpts) { IDatabaseWriter dst2 = null; for (; ;) { dst2 = dst.GetRedirectedWriter(); if (dst2 == null) { break; } dst = dst2; } dst.SetSourceInfo(new DatabaseWriterSourceInfo { Dialect = src.Dialect, //CopyMode = copyOpts.Mode, SchemaMode = copyOpts.SchemaMode, }); try { dst.ProgressInfo = progress; Async.SafeOpen(src.Connection); dst.OpenConnection(); if (dst.DirectCopy(src)) { dst.RunDirectCopy(src, copyOpts); } else { copyOpts.CopyMembers.IgnoreSystemObjects = true; IDatabaseStructure tmpDb = src.InvokeLoadStructure(copyOpts.CopyMembers, progress); DatabaseStructure sourceDb = new DatabaseStructure(tmpDb); //sourceDb.AutoFillRefs(); DatabaseStructure targetDb = sourceDb.GetMappedDatabase(copyOpts, dst.Dialect); if (dst.Dialect != null) { dst.Dialect.MigrateDatabase(targetDb, copyOpts.MigrationProfile, progress); } if (copyOpts.CopyStructure) { dst.WriteStructureBeforeData(targetDb); } bool copydata = copyOpts.DataMode != DbCopyDataMode.None && src.TableCaps.DataStoreForReading && dst.WriterCaps.AcceptData; if (copydata) { dst.BeforeFillData(); foreach (var tbl in sourceDb.Tables.SortedByKey <ITableStructure, int>(tbl => copyOpts.DataCopyTables.IndexOf(tbl.FullName))) { if (!copyOpts.CopyTableData(tbl.FullName)) { continue; } Logging.Debug("Copying table {0}", tbl); if (progress != null) { progress.SetCurWork(String.Format("{0} {1}", Texts.Get("s_copying_table"), tbl)); } GenericDataQueue queue = new GenericDataQueue(tbl, tbl, new IdentityTransform(tbl)); queue.ProgressInfo = progress; if (dst.WriterCaps.ExecuteSql) { var ada = new RecordToDbAdapter(tbl, tbl, dst.Dialect, new DataFormatSettings()); ada.ProgressInfo = progress; queue.AddOutputAdapter(ada); } ITableSource tsrc = src.GetTable(tbl.FullName); ITabularDataStore srcds = tsrc.GetDataStoreAndReuse(); IAsyncResult async_src = srcds.BeginRead(null, queue); ITableStructure newTableStruct = (ITableStructure)targetDb.FindByGroupId(tbl.GroupId); dst.FillTable(newTableStruct, queue, copyOpts.TableOptions); srcds.EndRead(async_src); } dst.AfterFillData(); } if (copyOpts.CopyStructure) { dst.WriteStructureAfterData(targetDb); } } } catch (Exception) { dst.ProcessFailed(); throw; } finally { Async.SafeClose(src.Connection); dst.CloseConnection(); } }