public DbDataSourceSchema GetSchema(DbConnectionString connectionString)
{
var provider = DbProvider.GetRegisteredProvider(connectionString.DbProvider.InvariantName);
if (provider is null)
{
return(null);
}
var databases = new List <string>();
using var sqlConnection = provider.CreateConnection();
if (sqlConnection is null)
{
return(null);
}
sqlConnection.ConnectionString = connectionString.ToString();
sqlConnection.Open();
using var command = sqlConnection.CreateCommand();
command.Connection = sqlConnection;
command.CommandText = "SELECT name from sys.databases";
command.CommandType = CommandType.Text;
using var dataReader = command.ExecuteReader();
while (dataReader.Read())
{
databases.Add(dataReader[0].ToString());
}
return(new DbDataSourceSchema {
Databases = databases
});
}
public static ConnectionState GetConnectionState(this DbConnectionString connectionString)
{
var connectionStringStr = connectionString?.ToString();
if (string.IsNullOrWhiteSpace(connectionStringStr))
{
return(ConnectionState.Invalid);
}
var connection = connectionString.DbProvider.GetProvider()?.CreateConnection();
if (connection is null)
{
return(ConnectionState.Invalid);
}
// Try to open
try
{
connection.ConnectionString = connectionStringStr;
connection.Open();
}
catch
{
return(ConnectionState.Invalid);
}
finally
{
connection.Dispose();
}
return(ConnectionState.Valid);
}
public static DbDataSourceSchema GetDataSourceSchema(this DbConnectionString connectionString)
{
Argument.IsNotNull(() => connectionString);
var provider = connectionString.DbProvider;
var schemaProvider = provider.GetProvider()?.GetOrCreateConnectedInstance <IDataSourceSchemaProvider>();
return(schemaProvider?.GetSchema(connectionString));
}
public static DbConnectionStringProperty TryGetProperty(this DbConnectionString connectionString, string propertyName)
{
var properties = connectionString?.Properties;
if (properties is null)
{
return(null);
}
var upperInvariantPropertyName = propertyName.ToUpperInvariant();
if (properties.TryGetValue(upperInvariantPropertyName, out var property))
{
return(property);
}
if (properties.TryGetValue(upperInvariantPropertyName.Replace(" ", string.Empty), out property))
{
return(property);
}
return(null);
}
