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public Clone ( ) : |
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| Résultat | ||
/// <summary>
/// This method changes the current database by disconnecting from the actual
/// database and connecting to the specified.
/// </summary>
/// <param name="dbName">The name of the database to use in place of the current database.</param>
public override void ChangeDatabase(String dbName)
{
CheckNotDisposed();
NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, "ChangeDatabase", dbName);
if (dbName == null)
{
throw new ArgumentNullException("dbName");
}
if (string.IsNullOrEmpty(dbName))
{
throw new ArgumentOutOfRangeException("dbName", dbName, String.Format(resman.GetString("Exception_InvalidDbName")));
}
String oldDatabaseName = Database;
Close();
// Mutating the current `settings` object would invalidate the cached instance, so work on a copy instead.
settings = settings.Clone();
settings[Keywords.Database] = dbName;
_connectionString = null;
Open();
}
/// <summary>
/// Initializes a new instance of the
/// <see cref="Npgsql.NpgsqlConnection">NpgsqlConnection</see> class
/// and sets the <see cref="Npgsql.NpgsqlConnection.ConnectionString">ConnectionString</see>.
/// </summary>
/// <param name="ConnectionString">The connection used to open the PostgreSQL database.</param>
public NpgsqlConnection(String ConnectionString)
{
NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, CLASSNAME, "NpgsqlConnection()");
NpgsqlConnectionStringBuilder builder = cache[ConnectionString];
if (builder == null)
{
settings = new NpgsqlConnectionStringBuilder(ConnectionString);
}
else
{
settings = builder.Clone();
}
LogConnectionString();
NoticeDelegate = new NoticeEventHandler(OnNotice);
NotificationDelegate = new NotificationEventHandler(OnNotification);
ProvideClientCertificatesCallbackDelegate = new ProvideClientCertificatesCallback(DefaultProvideClientCertificatesCallback);
// Fix authentication problems. See https://bugzilla.novell.com/show_bug.cgi?id=MONO77559 and
// http://pgfoundry.org/forum/message.php?msg_id=1002377 for more info.
RSACryptoServiceProvider.UseMachineKeyStore = true;
promotable = new NpgsqlPromotableSinglePhaseNotification(this);
}
/// <summary>
/// This method changes the current database by disconnecting from the actual
/// database and connecting to the specified.
/// </summary>
/// <param name="dbName">The name of the database to use in place of the current database.</param>
public override void ChangeDatabase(String dbName)
{
CheckNotDisposed();
NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, "ChangeDatabase", dbName);
if (dbName == null)
{
throw new ArgumentNullException("dbName");
}
if (string.IsNullOrEmpty(dbName))
{
throw new ArgumentOutOfRangeException(String.Format(resman.GetString("Exception_InvalidDbName"), dbName), "dbName");
}
String oldDatabaseName = Database;
Close();
settings = settings.Clone();
settings[Keywords.Database] = dbName;
Open();
}
private static NpgsqlConnectionStringBuilder GetBuilder(String connectionString)
{
NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, CLASSNAME, "NpgsqlConnection()");
NpgsqlConnectionStringBuilder builder = cache[connectionString];
return(builder == null
? new NpgsqlConnectionStringBuilder(connectionString)
: builder.Clone());
}
/// <summary>
/// Sets the `settings` ConnectionStringBuilder based on the given `connectionString`
/// </summary>
/// <param name="connectionString">The connection string to load the builder from</param>
private void LoadConnectionStringBuilder(NpgsqlConnectionStringBuilder connectionString)
{
// Clone the settings, because if Integrated Security is enabled, user ID can be different
settings = connectionString.Clone();
// Set the UserName explicitly to freeze any Integrated Security-determined names
if (settings.IntegratedSecurity)
{
settings.UserName = settings.UserName;
}
RefreshConnectionString();
LogConnectionString();
}
public MultiHostConnectorPool(NpgsqlConnectionStringBuilder settings, string connString) : base(settings, connString)
{
var hosts = settings.Host !.Split(',');
_pools = new ConnectorPool[hosts.Length];
for (var i = 0; i < hosts.Length; i++)
{
var poolSettings = settings.Clone();
Debug.Assert(!poolSettings.Multiplexing);
var host = hosts[i].AsSpan().Trim();
if (NpgsqlConnectionStringBuilder.TrySplitHostPort(host, out var newHost, out var newPort))
{
poolSettings.Host = newHost;
poolSettings.Port = newPort;
}
/// <summary>
/// Sets the `settings` ConnectionStringBuilder based on the given `connectionString`
/// </summary>
/// <param name="connectionString">The connection string to load the builder from</param>
void LoadConnectionStringBuilder(NpgsqlConnectionStringBuilder connectionString)
{
// Clone the settings, because if Integrated Security is enabled, user ID can be different
_settings = connectionString.Clone();
// Set the UserName explicitly to freeze any Integrated Security-determined names
if (_settings.IntegratedSecurity)
{
_settings.UserName = _settings.UserName;
}
RefreshConnectionString();
if (_log.IsTraceEnabled)
{
foreach (string key in _settings.Keys)
{
_log.TraceFormat("Connstring dump {0}={1}", key, _settings[key]);
}
}
}
public MultiHostConnectorPool(NpgsqlConnectionStringBuilder settings, string connString) : base(settings, connString)
{
var hosts = settings.Host !.Split(',');
_pools = new ConnectorPool[hosts.Length];
for (var i = 0; i < hosts.Length; i++)
{
var host = hosts[i].Trim();
var port = settings.Port;
var portSeparator = host.IndexOf(':');
if (portSeparator != -1)
{
port = int.Parse(host.Substring(portSeparator + 1));
host = host.Substring(0, portSeparator);
}
var poolSettings = settings.Clone();
poolSettings.Host = host;
poolSettings.Port = port;
_pools[i] = new ConnectorPool(poolSettings, poolSettings.ConnectionString, this);
}
}
/// <summary>
/// Sets the `settings` ConnectionStringBuilder based on the given `connectionString`
/// </summary>
/// <param name="connectionString">The connection string to load the builder from</param>
private void LoadConnectionStringBuilder(NpgsqlConnectionStringBuilder connectionString)
{
// Clone the settings, because if Integrated Security is enabled, user ID can be different
settings = connectionString.Clone();
// Set the UserName explicitly to freeze any Integrated Security-determined names
if (settings.IntegratedSecurity)
settings.UserName = settings.UserName;
RefreshConnectionString();
LogConnectionString();
}
/// <summary>
/// Returns a copy of the NpgsqlConnectionStringBuilder that contains the parsed connection string values.
/// </summary>
internal NpgsqlConnectionStringBuilder CopyConnectionStringBuilder()
{
return(_settings.Clone());
}
/// <summary>
/// Sets the `settings` ConnectionStringBuilder based on the given `connectionString`
/// </summary>
/// <param name="connectionString">The connection string to load the builder from</param>
void LoadConnectionStringBuilder(NpgsqlConnectionStringBuilder connectionString)
{
// Clone the settings, because if Integrated Security is enabled, user ID can be different
_settings = connectionString.Clone();
// Set the UserName explicitly to freeze any Integrated Security-determined names
if (_settings.IntegratedSecurity)
_settings.UserName = _settings.UserName;
RefreshConnectionString();
if (_log.IsTraceEnabled)
{
foreach (string key in _settings.Keys)
{
_log.TraceFormat("Connstring dump {0}={1}", key, _settings[key]);
}
}
}