public IConnectionProvider GetConnectionProvider(IShellContext context)
{
string providerString = GetProviderString(context);
string providerStringReplaced = context.Replace(providerString);
var conn = ConnectionProvider.FromString(context.ServiceProvider, providerStringReplaced);
if (conn == null)
{
throw new Exception("DBSH-00150 Connection not defined, provider string:" + providerString);
}
return(conn);
}
public DatabaseInfo GetDatabaseStructure(string connectionKey)
{
if (!_dbCache.ContainsKey(connectionKey))
{
IConnectionProvider connection = ConnectionProvider.FromString(ServiceProvider, connectionKey);
_logger.LogInformation("DBSH-00076 Downloading structure for connection {connection}", connection);
this.Info(String.Format("DBSH-00149 Downloading structure for connection {0}", connection));
var analyser = connection.Factory.CreateAnalyser();
using (var conn = connection.Connect())
{
analyser.Connection = conn;
analyser.FullAnalysis();
_dbCache[connectionKey] = analyser.Structure;
}
}
return(_dbCache[connectionKey]);
}
public override void Run()
{
// build service containing all supported database egnines and file formats, with default logging
var serviceProvider = DbShellUtility.BuildDefaultServiceProvider();
// create connection provider from provider string
var connectionProvider = ConnectionProvider.FromString(serviceProvider, ProviderString);
using (var conn = connectionProvider.Connect())
{
// create analyser - object which analyses database structure
var analyser = connectionProvider.Factory.CreateAnalyser();
// assign DbConnection to analyse
analyser.Connection = conn;
// analyse only tables. If this line is omited, all database objects (eg. views, stored procedures...) will be analysed
analyser.Phase = DatabaseAnalysePhase.Tables;
// perform full analysis (other option is IncrementalAnalysis, when changes are detected)
analyser.FullAnalysis();
// get result structure
var analysedStructure = analyser.Structure;
// print table and column names
foreach (var table in analysedStructure.Tables)
{
Console.WriteLine(table.Name);
foreach (var column in table.Columns)
{
Console.WriteLine(" " + column.Name + " " + column.DataType);
}
}
}
}
