public ExternalChangeTrace(TOM.Database database, string applicationName, Action <TOM.TraceEventArgs> onExternalChangeCallback)
{
this.applicationName = applicationName;
this.onExternalChangeCallback = onExternalChangeCallback;
this.database = database;
this.databaseNameWhenTraceStarted = database.Name;
}
internal static List <Tuple <TOM.NamedMetadataObject, string> > CheckErrors(TOM.Database database)
{
var result = new List <Tuple <TOM.NamedMetadataObject, string> >();
foreach (var t in database.Model.Tables)
{
result.AddRange(t.Measures.Where(m => !string.IsNullOrEmpty(m.ErrorMessage)).Select(m => new Tuple <TOM.NamedMetadataObject, string>(m, m.ErrorMessage)));
if (database.CompatibilityLevel >= 1400)
{
result.AddRange(t.Measures.Where(m => !string.IsNullOrEmpty(m.DetailRowsDefinition?.ErrorMessage)).Select(m => new Tuple <TOM.NamedMetadataObject, string>(m, "Detail rows expression: " + m.DetailRowsDefinition.ErrorMessage)));
}
result.AddRange(t.Columns.Where(c => !string.IsNullOrEmpty(c.ErrorMessage)).Select(c => new Tuple <TOM.NamedMetadataObject, string>(c, c.ErrorMessage)));
result.AddRange(t.Partitions.Where(p => !string.IsNullOrEmpty(p.ErrorMessage)).Select(p => new Tuple <TOM.NamedMetadataObject, string>(p, p.ErrorMessage)));
if (database.CompatibilityLevel >= 1470 && t.CalculationGroup != null)
{
result.AddRange(t.CalculationGroup.CalculationItems.Where(ci => !string.IsNullOrEmpty(ci.ErrorMessage)).Select(ci => new Tuple <TOM.NamedMetadataObject, string>(ci, ci.ErrorMessage)));
result.AddRange(t.CalculationGroup.CalculationItems.Where(ci => !string.IsNullOrEmpty(ci.FormatStringDefinition?.ErrorMessage)).Select(ci => new Tuple <TOM.NamedMetadataObject, string>(ci, "Format string expression: " + ci.FormatStringDefinition.ErrorMessage)));
}
}
foreach (var r in database.Model.Roles)
{
result.AddRange(r.TablePermissions.Where(tp => !string.IsNullOrEmpty(tp.ErrorMessage)).Select(tp => new Tuple <TOM.NamedMetadataObject, string>(tp, tp.ErrorMessage)));
}
return(result);
}
public static void RemoveTabularEditorTag(this TOM.Database database)
{
if (database.Model.Annotations.Contains(TabularEditorTag))
{
database.Model.Annotations.Remove(TabularEditorTag);
}
}
/// <summary>
/// Adds a translation for the TOM object based on the supplied AMOTranslation.
/// Creates the relevant culture if it does not exist.
/// </summary>
/// <param name="TOMDatabase">The TOM Database to add the Translation to</param>
/// <param name="TOMObject">The TOM Object the translation is being added for</param>
/// <param name="AMOTranslation">The AMO Translation being transferred to the TOM Database</param>
public static void AddTOMTranslation(TOM.Database TOMDatabase, TOM.MetadataObject TOMObject, AMO.Translation AMOTranslation)
{
string CultureName = TranslationHelper.GetCultureNameFromLCID(AMOTranslation.Language);
//Add Culture if it does not exist
if (!TOMDatabase.Model.Cultures.ContainsName(CultureName))
{
TOMDatabase.Model.Cultures.Add(new TOM.Culture {
Name = CultureName
});
}
//Get existing culture
TOM.Culture TOMCulture = TOMDatabase.Model.Cultures.Find(CultureName);
//Add the various translated properties to the translation
TOMCulture.ObjectTranslations.Add(
new TOM.ObjectTranslation {
Object = TOMObject, Property = TOM.TranslatedProperty.Caption, Value = AMOTranslation.Caption
}
);
TOMCulture.ObjectTranslations.Add(
new TOM.ObjectTranslation {
Object = TOMObject, Property = TOM.TranslatedProperty.Description, Value = AMOTranslation.Description
}
);
TOMCulture.ObjectTranslations.Add(
new TOM.ObjectTranslation {
Object = TOMObject, Property = TOM.TranslatedProperty.DisplayFolder, Value = AMOTranslation.DisplayFolder
}
);
}
/// <summary>
/// Deploys the specified database to the specified target server and database ID, using the specified options.
/// Returns a list of DAX errors (if any) on objects inside the database, in case the deployment was succesful.
/// </summary>
/// <param name="db"></param>
/// <param name="targetConnectionString"></param>
/// <param name="targetDatabaseName"></param>
/// <param name="options"></param>
/// <returns></returns>
internal static DeploymentResult Deploy(TOM.Database db, string targetConnectionString, string targetDatabaseName, DeploymentOptions options, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(targetConnectionString))
{
throw new ArgumentNullException("targetConnectionString");
}
var destinationServer = new TOM.Server();
destinationServer.Connect(targetConnectionString);
if (!destinationServer.SupportedCompatibilityLevels.Contains(db.CompatibilityLevel.ToString()))
{
throw new DeploymentException($"The specified server does not support Compatibility Level {db.CompatibilityLevel}");
}
var tmsl = GetTMSL(db, destinationServer, targetDatabaseName, options, true);
cancellationToken.Register(destinationServer.CancelCommand);
var result = destinationServer.Execute(tmsl);
if (result.ContainsErrors)
{
throw new DeploymentException(string.Join("\n", result.Cast <XmlaResult>().SelectMany(r => r.Messages.Cast <XmlaMessage>().Select(m => m.Description)).ToArray()));
}
// Refresh the server object to make sure we get an updated list of databases, in case a new database was made:
destinationServer.Refresh();
// Fully refresh the deployed database object, to make sure we get updated error messages for the full object tree:
var deployedDB = destinationServer.Databases.GetByName(targetDatabaseName);
deployedDB.Refresh(true);
return(GetLastDeploymentResults(deployedDB));
}
/// <summary>
/// This takes care of an issue in AS where calc group columns need to appear in a specific order
/// See issue: https://github.com/otykier/TabularEditor/issues/411
/// </summary>
/// <param name="tmslJObj"></param>
/// <param name="db"></param>
/// <returns></returns>
public static JObject FixCalcGroupMetadata(this JObject tmslJObj, TOM.Database db)
{
if (db.CompatibilityLevel < 1470)
{
return(tmslJObj);
}
var tables = (tmslJObj.First as JProperty).Value["database"]["model"]["tables"];
foreach (var cg in db.Model.Tables.Where(t => t.CalculationGroup != null))
{
var cgJson = tables.First(t => t.Value <string>("name") == cg.Name);
var cgJsonColumns = cgJson["columns"] as JArray;
if (cgJsonColumns != null && cgJsonColumns.Count >= 2)
{
var ordinalCol = cgJsonColumns.FirstOrDefault(c => c.PropEquals("sourceColumn", "ordinal"));
if (ordinalCol != null)
{
ordinalCol.Remove();
cgJsonColumns.Insert(0, ordinalCol);
}
var nameCol = cgJsonColumns.FirstOrDefault(c => c.PropEquals("sourceColumn", "name"));
if (nameCol != null)
{
nameCol.Remove();
cgJsonColumns.Insert(0, nameCol);
}
}
}
return(tmslJObj);
}
public static string GetTMSL(TOM.Database db, TOM.Server server, string targetDatabaseName, DeploymentOptions options, bool includeRestricted = false)
{
if (db == null)
{
throw new ArgumentNullException("db");
}
if (string.IsNullOrWhiteSpace(targetDatabaseName))
{
throw new ArgumentNullException("targetDatabaseName");
}
if (options.DeployRoleMembers && !options.DeployRoles)
{
throw new ArgumentException("Cannot deploy Role Members when Role deployment is disabled.");
}
if (server.Databases.ContainsName(targetDatabaseName) && options.DeployMode == DeploymentMode.CreateDatabase)
{
throw new ArgumentException("The specified database already exists.");
}
string tmsl;
db.AddTabularEditorTag();
if (!server.Databases.ContainsName(targetDatabaseName))
{
tmsl = DeployNewTMSL(db, targetDatabaseName, options, includeRestricted, server.CompatibilityMode);
}
else
{
tmsl = DeployExistingTMSL(db, server, targetDatabaseName, options, includeRestricted, server.CompatibilityMode);
}
return(tmsl);
}
private void cboDatabaseName_SelectedIndexChanged(object sender, EventArgs e)
{
cboCubeName.Items.Clear();
cboCubeName.SelectedItem = null;
//OLAPDatabase = OLAPServer.Databases[cboDatabaseName.SelectedItem.ToString()];
OLAPDatabase = OLAPServer.Databases[(cboDatabaseName.SelectedItem as ComboboxItem).Value.ToString()];
TOMDb = TOMServer.Databases[(cboDatabaseName.SelectedItem as ComboboxItem).Value.ToString()];
TabularCompatibilityLevel = TOMDb.CompatibilityLevel;
if (TabularCompatibilityLevel < 1200)
{
cboCubeName.Enabled = true;
foreach (AMO.Cube OLAPCube in OLAPDatabase.Cubes)
{
cboCubeName.Items.Add(OLAPCube.Name);
}
if (cboCubeName.Items.Count == 1)
{
cboCubeName.SelectedItem = cboCubeName.Items[0];
}
}
else
{
cboCubeName.Enabled = false;
txtFileName.Text = cboDatabaseName.SelectedItem.ToString();
}
}
/// <summary>
/// This method transforms a JObject representing a CreateOrReplace TMSL script, so that the script points
/// to the correct database to be overwritten, and that the correct ID and Name properties are set. In
/// addition, the method will replace any Roles, RoleMembers, Data Sources and Partitions in the TMSL with
/// the corresponding TMSL from the specified orgDb, depending on the provided DeploymentOptions.
/// </summary>
public JObject TransformCreateOrReplaceTmsl(JObject tmslJObj, TOM.Database db, TOM.Database destDb, DeploymentOptions options)
{
// Deployment target / existing database (note that TMSL uses the NAME of an existing database, not the ID, to identify the object)
tmslJObj["createOrReplace"]["object"]["database"] = destDb.Name;
tmslJObj["createOrReplace"]["database"]["id"] = destDb.ID;
tmslJObj["createOrReplace"]["database"]["name"] = destDb.Name;
var model = tmslJObj.SelectToken("createOrReplace.database.model") as JObject;
if (!options.DeployRoles)
{
ReplaceRolesFromDestination(model, destDb.Model);
}
else if (!options.DeployRoleMembers)
{
ReplaceRoleMembersFromDestination(model, destDb.Model);
}
if (options.RemoveRoleMemberIds)
{
RemoveRoleMemberIDs(model);
}
if (!options.DeployConnections)
{
ReplaceDataSourcesFromDestination(model, destDb.Model);
}
if (!options.DeployPartitions || options.SkipRefreshPolicyPartitions)
{
ReplacePartitionsFromDestination(model, db.Model.Tables, destDb.Model, options);
}
return(tmslJObj);
}
/// <summary>
/// Deploys the specified database to the specified target server and database ID, using the specified options.
/// Returns a list of DAX errors (if any) on objects inside the database, in case the deployment was succesful.
/// </summary>
/// <param name="db"></param>
/// <param name="targetConnectionString"></param>
/// <param name="targetDatabaseID"></param>
/// <param name="options"></param>
/// <returns></returns>
internal static DeploymentResult Deploy(TOM.Database db, string targetConnectionString, string targetDatabaseID, DeploymentOptions options, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(targetConnectionString))
{
throw new ArgumentNullException("targetConnectionString");
}
var s = new TOM.Server();
s.Connect(targetConnectionString);
var tmsl = GetTMSL(db, s, targetDatabaseID, options, true);
cancellationToken.Register(s.CancelCommand);
var result = s.Execute(tmsl);
if (result.ContainsErrors)
{
throw new Exception(string.Join("\n", result.Cast <XmlaResult>().SelectMany(r => r.Messages.Cast <XmlaMessage>().Select(m => m.Description)).ToArray()));
}
s.Refresh();
var deployedDB = s.Databases[targetDatabaseID];
return
(new DeploymentResult(
TabularModelHandler.CheckErrors(deployedDB).Select(t => string.Format("Error on {0}: {1}", GetName(t.Item1), t.Item2)),
TabularModelHandler.GetObjectsNotReady(deployedDB).Where(t => t.Item2 == TOM.ObjectState.DependencyError || t.Item2 == TOM.ObjectState.EvaluationError || t.Item2 == TOM.ObjectState.SemanticError)
.Select(t => string.Format("Warning! Object not in \"Ready\"-state: {0} ({1})", GetName(t.Item1), t.Item2.ToString())),
TabularModelHandler.GetObjectsNotReady(deployedDB).Where(t => t.Item2 == TOM.ObjectState.CalculationNeeded || t.Item2 == TOM.ObjectState.NoData)
.Select(t => string.Format("Information: Unprocessed object: {0} ({1})", GetName(t.Item1), t.Item2.ToString()))
));
}
public static string GetTMSL(TOM.Database db, TOM.Server server, string targetDatabaseID, DeploymentOptions options, bool includeRestricted = false)
{
if (db == null)
{
throw new ArgumentNullException("db");
}
if (string.IsNullOrWhiteSpace(targetDatabaseID))
{
throw new ArgumentNullException("targetDatabaseID");
}
if (options.DeployRoleMembers && !options.DeployRoles)
{
throw new ArgumentException("Cannot deploy Role Members when Role deployment is disabled.");
}
if (server.Databases.Contains(targetDatabaseID) && options.DeployMode == DeploymentMode.CreateDatabase)
{
throw new ArgumentException("The specified database already exists.");
}
if (!server.Databases.Contains(targetDatabaseID))
{
return(DeployNewTMSL(db, targetDatabaseID, options, includeRestricted));
}
else
{
return(DeployExistingTMSL(db, server, targetDatabaseID, options, includeRestricted));
}
// TODO: Check if invalid CalculatedTableColumn perspectives/translations can give us any issues here
// Should likely be handled similar to what we do in TabularModelHandler.SaveDB()
}
/// <summary>
/// Creates a new blank Tabular Model
/// </summary>
public TabularModelHandler(int compatibilityLevel = 1200, TabularModelHandlerSettings settings = null, bool pbiDatasetModel = false)
{
Settings = settings ?? TabularModelHandlerSettings.Default;
Singleton = this;
server = null;
database = new TOM.Database("SemanticModel")
{
CompatibilityLevel = compatibilityLevel,
CompatibilityMode = pbiDatasetModel ? Microsoft.AnalysisServices.CompatibilityMode.PowerBI : Microsoft.AnalysisServices.CompatibilityMode.AnalysisServices
};
CompatibilityLevel = compatibilityLevel;
database.Model = new TOM.Model();
if (pbiDatasetModel)
{
database.Model.DefaultPowerBIDataSourceVersion = TOM.PowerBIDataSourceVersion.PowerBI_V3;
}
SourceType = ModelSourceType.File;
Source = "Model.bim";
Status = "Succesfully created new model.";
Init();
UndoManager.Enabled = true;
PowerBIGovernance.UpdateGovernanceMode(this);
}
private void ProcessAnalysisServicesDatabase()
{
var accessToken = GetAccessToken("https://" + AasService);
var startTime = DateTime.UtcNow;
using (Tab.Server aas = new Tab.Server()) {
string connStr = $"Provider=MSOLAP;Data Source=asazure://{AasService}/{AasServer};Password={accessToken};Persist Security Info=True;Impersonation Level=Delegate;";
aas.Connect(connStr);
Tab.Database db = null;
if (!aas.Databases.ContainsName(AasDatabase))
{
// note: in case database is not found, verify service principal has *admin* rights - read/process rights are insufficent
throw new ApplicationException($"Database '{AasDatabase}' not found. Make sure service principal has database Admin rights.");
}
db = aas.Databases[AasDatabase];
db.Model.RequestRefresh(Tab.RefreshType.Full);
db.Model.SaveChanges(); // commit executes the refresh
aas.Disconnect();
}
var processTime = DateTime.UtcNow.Subtract(startTime);
_logger.LogInformation($"database processed in {processTime.TotalSeconds:n1} s");
}
internal Database(Model model, Microsoft.AnalysisServices.Core.Database tomDatabase)
{
Debug.Assert(tomDatabase != null);
var db = tomDatabase as TOM.Database;
TOMDatabase = db;
_model = model;
}
internal static string DeployNewTMSL(TOM.Database db, string newDbId, DeploymentOptions options, bool includeRestricted)
{
var rawTmsl = TOM.JsonScripter.ScriptCreate(db, includeRestricted);
var jTmsl = JObject.Parse(rawTmsl);
return(jTmsl.TransformCreateTmsl(newDbId, options).FixCalcGroupMetadata(db).ToString());
}
private static string DeployNewTMSL(TOM.Database db, string newDbId, DeploymentOptions options, bool includeRestricted)
{
var rawTmsl = TOM.JsonScripter.ScriptCreate(db, includeRestricted);
var jTmsl = JObject.Parse(rawTmsl);
return(TransformCreateTmsl(jTmsl, newDbId, options).ToString());
}
public static void RemoveTabularEditorTag(this TOM.Database database)
{
const string annotationName = "__TEdtr";
if (database.Model.Annotations.Contains(annotationName))
{
database.Model.Annotations.Remove(annotationName);
}
}
internal Database(Model model, Microsoft.AnalysisServices.Core.Database tomDatabase)
{
var db = tomDatabase as TOM.Database;
TOMDatabase = db;
_model = model;
_name = tomDatabase.Name;
_id = tomDatabase.ID;
}
public static ReferenceCulture Create(TOM.Database database)
{
return(new ReferenceCulture
{
Name = database.Name,
Id = database.ID,
Model = ReferenceModel.Create(database.Model)
});
}
private static string DeployExistingTMSL(TOM.Database db, TOM.Server server, string dbId, DeploymentOptions options, bool includeRestricted)
{
var rawTmsl = TOM.JsonScripter.ScriptCreateOrReplace(db, includeRestricted);
var orgDb = server.Databases[dbId];
var jTmsl = JObject.Parse(rawTmsl);
return(TransformCreateOrReplaceTmsl(jTmsl, orgDb, options).ToString());
}
/// <summary>
/// Connects to a SQL Server 2016 Analysis Services instance and loads a tabular model
/// from one of the deployed databases on the instance.
/// </summary>
/// <param name="serverName"></param>
/// <param name="databaseName"></param>
public TabularModelHandler(string serverName, string databaseName, TabularModelHandlerSettings settings = null)
{
this.serverName = serverName;
_disableUpdates = true;
Settings = settings ?? TabularModelHandlerSettings.Default;
Singleton = this;
server = new TOM.Server();
var connectionString = TabularConnection.GetConnectionString(serverName, applicationName);
server.Connect(connectionString);
if (databaseName == null)
{
if (server.Databases.Count >= 1)
{
database = server.Databases[0];
}
else
{
throw new InvalidOperationException("This instance does not contain any databases, or the user does not have access.");
}
}
else
{
database = server.Databases.GetByName(databaseName);
}
if (CompatibilityLevel < 1200)
{
throw new InvalidOperationException("Only databases with Compatibility Level 1200 or higher can be loaded in Tabular Editor.");
}
SourceType = ModelSourceType.Database;
Source = database.Server.Name + "." + database.Name;
Status = "Connected succesfully.";
Version = database.Version;
Init();
Model.ClearTabularEditorAnnotations();
_disableUpdates = false;
UndoManager.Enabled = true;
PowerBIGovernance.UpdateGovernanceMode(this);
CheckErrors();
trace = new ExternalChangeTrace(database, applicationName, XEventCallback);
if (Settings.ChangeDetectionLocalServers)
{
trace.Start();
}
}
public static void AddTabularEditorTag(this TOM.Database database)
{
if (!database.Model.Annotations.Contains(TabularEditorTag))
{
var annotation = new TOM.Annotation()
{
Name = TabularEditorTag, Value = "1"
};
database.Model.Annotations.Add(annotation);
}
}
public static AsServerType GetServerType(this TOM.Database database)
{
var server = database.Server;
if (server == null)
{
return(AsServerType.NotConnected);
}
return(server.GetServerType());
}
private static Microsoft.AnalysisServices.Tabular.Database CreateDatabase(string databaseName)
{
var database = new Microsoft.AnalysisServices.Tabular.Database()
{
Name = databaseName,
ID = databaseName,
CompatibilityLevel = 1200,
StorageEngineUsed = StorageEngineUsed.TabularMetadata,
};
return(database);
}
internal static List <Tuple <TOM.NamedMetadataObject, string> > CheckErrors(TOM.Database database)
{
var result = new List <Tuple <TOM.NamedMetadataObject, string> >();
foreach (var t in database.Model.Tables)
{
result.AddRange(t.Measures.Where(m => !string.IsNullOrEmpty(m.ErrorMessage)).Select(m => new Tuple <TOM.NamedMetadataObject, string>(m, m.ErrorMessage)));
result.AddRange(t.Columns.Where(c => !string.IsNullOrEmpty(c.ErrorMessage)).Select(c => new Tuple <TOM.NamedMetadataObject, string>(c, c.ErrorMessage)));
result.AddRange(t.Partitions.Where(p => !string.IsNullOrEmpty(p.ErrorMessage)).Select(p => new Tuple <TOM.NamedMetadataObject, string>(p, p.ErrorMessage)));
}
return(result);
}
public static DeploymentResult GetLastDeploymentResults(TOM.Database database)
{
return
(new DeploymentResult(
TabularModelHandler.CheckErrors(database).Select(t => string.Format("Error on {0}: {1}", GetName(t.Item1), t.Item2)),
TabularModelHandler.GetObjectsNotReady(database).Where(t => t.Item2 == TOM.ObjectState.DependencyError || t.Item2 == TOM.ObjectState.EvaluationError || t.Item2 == TOM.ObjectState.SemanticError)
.Select(t => string.Format("Warning! Object not in \"Ready\"-state: {0} ({1})", GetName(t.Item1), t.Item2.ToString())),
TabularModelHandler.GetObjectsNotReady(database).Where(t => t.Item2 == TOM.ObjectState.CalculationNeeded || t.Item2 == TOM.ObjectState.NoData || t.Item2 == TOM.ObjectState.Incomplete)
.Select(t => string.Format("Information: Unprocessed object: {0} ({1})", GetName(t.Item1), t.Item2.ToString())),
database.Server
));
}
private static Microsoft.AnalysisServices.Tabular.Partition CreatePartition(Microsoft.AnalysisServices.Tabular.Database database, string name, string dataSourceName, string query)
{
Microsoft.AnalysisServices.Tabular.Partition partition = new Microsoft.AnalysisServices.Tabular.Partition();
partition.Name = name;
partition.Source = new QueryPartitionSource()
{
DataSource = database.Model.DataSources.Where(s => s.Name == dataSourceName).FirstOrDefault(),
Query = query,
};
return(partition);
}
internal static string DeployNewTMSL(TOM.Database db, string targetDatabaseName, DeploymentOptions options, bool includeRestricted, Microsoft.AnalysisServices.CompatibilityMode compatibilityMode)
{
var rawTmsl = TOM.JsonScripter.ScriptCreate(db, includeRestricted);
var jTmsl = JObject.Parse(rawTmsl);
if (jTmsl["create"]["database"]["compatibilityMode"] != null)
{
jTmsl["create"]["database"]["compatibilityMode"] = compatibilityMode.ToString();
}
return(jTmsl.TransformCreateTmsl(targetDatabaseName, options).FixCalcGroupMetadata(db).ToString());
}
public static void Deploy(TOM.Database db, TOM.Server s, string targetDatabaseID, DeploymentOptions options)
{
var tmsl = GetTMSL(db, s, targetDatabaseID, options, true);
var result = s.Execute(tmsl);
if (result.ContainsErrors)
{
throw new Exception(string.Join("\n", result.Cast <XmlaResult>().SelectMany(r => r.Messages.Cast <XmlaMessage>().Select(m => m.Description)).ToArray()));
}
s.Refresh();
var deployedDB = s.Databases[targetDatabaseID];
}
/// <summary>
/// Writes a TOM database to the specified location
/// </summary>
/// <param name="FileLocation">The location to write the file to</param>
/// <param name="Database">The database to serialise</param>
public static void WriteToFile(string FileLocation, TOM.Database Database)
{
string SerialisedDatabase = TOM.JsonSerializer.SerializeDatabase(Database, new TOM.SerializeOptions
{
IgnoreInferredObjects = true,
IgnoreInferredProperties = true,
IgnoreTimestamps = true,
IncludeRestrictedInformation = false,
SplitMultilineStrings = true
});
System.IO.File.WriteAllText(FileLocation, SerialisedDatabase);
}
