public void Import(DataFile file)
{
string database = file.database;
if (!context.DatabaseExists(database))
{
context.CreateDatabase(database);
context.ChangeDatabase(database);
}
DataTable csvData = CSVReadWrite.ReadCsvDataTable(file.path);
context.ExecuteBulkCopy((bulkCopy) => CreateDatabaseTable(file, csvData, bulkCopy));
}
private List <DataFile> ExtractZip(DataFile zip)
{
List <DataFile> dataFiles = new List <DataFile>();
ZipArchive archive = ZipFile.OpenRead(zip.path);
ReadOnlyCollection <ZipArchiveEntry> entries = archive.Entries;
string directory = zip.path.Replace(DataConfig.zipExt, string.Empty);
archive.ExtractToDirectory(directory);
for (int i = 0; i < entries.Count; i++)
{
ZipArchiveEntry entry = entries[i];
dataFiles.Add(new DataFile(Path.Combine(directory, entry.FullName), entry.Name, zip.database));
}
return(dataFiles);
}
private void CreateDatabaseTable(DataFile file, DataTable data, SqlBulkCopy bulkCopy)
{
DataColumnCollection columns = data.Columns;
string[] columnNames = new string[columns.Count];
for (int i = 0; i < columns.Count; i++)
{
string columnName = columnNames[i] = columns[i].ColumnName;
bulkCopy.ColumnMappings.Add(columnName, columnName);
}
string createTableQuery = SQLQueryGenerator.GetCreateTableQuery(file.fileName, columnNames);
context.ExecuteNonQuery(createTableQuery);
context.Refresh();
bulkCopy.DestinationTableName = SQLQueryGenerator.EncloseInBrackets(file.fileName);
bulkCopy.WriteToServer(data);
}
public void Import(DataFile file)
{
if (context.DatabaseExists(file.database))
{
throw new InvalidOperationException("database already exists");
}
Restore restore = new Restore();
BackupDeviceItem backup = new BackupDeviceItem(file.path, DeviceType.File);
restore.Database = file.database;
restore.Devices.Add(backup);
RelocateFile relocateDataFile = new RelocateFile(LookupLogicalName(restore, "D"), string.Format(savePath, file.database, DataConfig.mdfExt));
RelocateFile relocateLogFile = new RelocateFile(LookupLogicalName(restore, "L"), string.Format(savePath, file.database, DataConfig.ldfExt));
restore.RelocateFiles.Add(relocateDataFile);
restore.RelocateFiles.Add(relocateLogFile);
restore.Action = RestoreActionType.Database;
restore.ReplaceDatabase = false;
restore.SqlRestore(SQLServerContext.Server);
context.ChangeDatabase(file.database);
}
