public MySqlTransactionScope(MySqlConnection con, Transaction trans,
     MySqlTransaction simpleTransaction)
 {
   connection = con;
   baseTransaction = trans;
   this.simpleTransaction = simpleTransaction;
 }
    public ProcedureCacheEntry GetProcedure(MySqlConnection conn, string spName, string cacheKey)
    {
      ProcedureCacheEntry proc = null;

      if (cacheKey != null)
      {
        int hash = cacheKey.GetHashCode();

        lock (procHash)
        {
          procHash.TryGetValue(hash, out proc);
        }
      }
      if (proc == null)
      {
        proc = AddNew(conn, spName);
        conn.PerfMonitor.AddHardProcedureQuery();
        if (conn.Settings.Logging)
          MySqlTrace.LogInformation(conn.ServerThread,
            String.Format(Resources.HardProcQuery, spName));
      }
      else
      {
        conn.PerfMonitor.AddSoftProcedureQuery();
        if (conn.Settings.Logging)
          MySqlTrace.LogInformation(conn.ServerThread,
            String.Format(Resources.SoftProcQuery, spName));
      }
      return proc;
    }
示例#3
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 /// <include file='docs/mysqlcommand.xml' path='docs/ctor4/*'/>
 public MySqlCommand(string cmdText, MySqlConnection connection,
         MySqlTransaction transaction)
   :
   this(cmdText, connection)
 {
     curTransaction = transaction;
 }
    public ExceptionInterceptor(MySqlConnection connection) 
    {
      this.connection = connection;

      LoadInterceptors(connection.Settings.ExceptionInterceptors);

      // we always have the standard interceptor
      interceptors.Add(new StandardExceptionInterceptor());

    }
示例#5
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 public MySqlBulkLoader(MySqlConnection connection)
 {
   Connection = connection;
   Local = true;
   FieldTerminator = defaultFieldTerminator;
   LineTerminator = defaultLineTerminator;
   FieldQuotationCharacter = Char.MinValue;
   ConflictOption = MySqlBulkLoaderConflictOption.None;
   columns = new List<string>();
   expressions = new List<string>();
 }
    /// <summary>
    /// Executes a single command against a MySQL database.  A new <see cref="MySqlConnection"/> is created
    /// using the <see cref="MySqlConnection.ConnectionString"/> given.
    /// </summary>
    /// <param name="connectionString"><see cref="MySqlConnection.ConnectionString"/> to use</param>
    /// <param name="commandText">SQL command to be executed</param>
    /// <param name="parms">Array of <see cref="MySqlParameter"/> objects to use with the command.</param>
    /// <returns></returns>
    public static int ExecuteNonQuery(string connectionString, string commandText, params MySqlParameter[] parms)
    {
      //create & open a SqlConnection, and dispose of it after we are done.
      using (MySqlConnection cn = new MySqlConnection(connectionString))
      {
        cn.Open();

        //call the overload that takes a connection in place of the connection string
        return ExecuteNonQuery(cn, commandText, parms);
      }
    }
    /// <summary>
    /// Executes a single command against a MySQL database.  The <see cref="MySqlConnection"/> is assumed to be
    /// open when the method is called and remains open after the method completes.
    /// </summary>
    /// <param name="connection"><see cref="MySqlConnection"/> object to use</param>
    /// <param name="commandText">SQL command to be executed</param>
    /// <param name="commandParameters">Array of <see cref="MySqlParameter"/> objects to use with the command.</param>
    /// <returns></returns>
    public static int ExecuteNonQuery(MySqlConnection connection, string commandText, params MySqlParameter[] commandParameters)
    {
      //create a command and prepare it for execution
      MySqlCommand cmd = new MySqlCommand();
      cmd.Connection = connection;
      cmd.CommandText = commandText;
      cmd.CommandType = CommandType.Text;

      if (commandParameters != null)
        foreach (MySqlParameter p in commandParameters)
          cmd.Parameters.Add(p);

      int result = cmd.ExecuteNonQuery();
      cmd.Parameters.Clear();

      return result;
    }
    public SystemPerformanceMonitor(MySqlConnection connection) : base(connection)
    {
      string categoryName = Resources.PerfMonCategoryName;

      if (connection.Settings.UsePerformanceMonitor && procedureHardQueries == null)
      {
        try
        {
          procedureHardQueries = new PerformanceCounter(categoryName,
                                                        "HardProcedureQueries", false);
          procedureSoftQueries = new PerformanceCounter(categoryName,
                                                        "SoftProcedureQueries", false);
        }
        catch (Exception ex)
        {
          MySqlTrace.LogError(connection.ServerThread, ex.Message);
        }
      }
    }
 internal MySqlTransaction(MySqlConnection c, IsolationLevel il)
 {
     conn = c;
     level = il;
     open = true;
 }
示例#10
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 public Task ClearPoolAsync(MySqlConnection connection, CancellationToken cancellationToken)
 {
   var result = new TaskCompletionSource<bool>();
   if (cancellationToken == CancellationToken.None || !cancellationToken.IsCancellationRequested)
   {
     try
     {
       ClearPool(connection);
       result.SetResult(true);
     }
     catch (Exception ex)
     {
       result.SetException(ex);
     }
   }
   else
   {
     result.SetCanceled();
   }
   return result.Task;
 }
示例#11
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 /// <summary>
 /// Async version of ClearPool
 /// </summary>
 /// <param name="connection">The connection associated with the pool to be cleared.</param>
 /// <returns></returns>
 public Task ClearPoolAsync(MySqlConnection connection)
 {
   return ClearPoolAsync(connection, CancellationToken.None);
 }
示例#12
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 /// <include file='docs/MySqlConnection.xml' path='docs/ClearPool/*'/>
 public static void ClearPool(MySqlConnection connection)
 {
     MySqlPoolManager.ClearPool(connection.Settings);
 }
示例#13
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        private int GetTimeZoneOffset(MySqlConnection con)
        {
            MySqlCommand cmd = new MySqlCommand("select timediff( curtime(), utc_time() )", con);
            string s = cmd.ExecuteScalar() as string;
            if (s == null) s = "0:00";

            return int.Parse(s.Substring(0, s.IndexOf(':')));
        }
示例#14
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 public CommandTimer(MySqlConnection connection, int timeout)
 {
     this.connection = connection;
     if (connection != null)
     {
         timeoutSet = connection.SetCommandTimeout(timeout);
     }
 }
    private static ProcedureCacheEntry GetProcData(MySqlConnection connection, string spName)
    {
      string schema = String.Empty;
      string name = spName;

      int dotIndex = spName.IndexOf(".");
      if (dotIndex != -1)
      {
        schema = spName.Substring(0, dotIndex);
        name = spName.Substring(dotIndex + 1, spName.Length - dotIndex - 1);
      }

      string[] restrictions = new string[4];
      restrictions[1] = schema.Length > 0 ? schema : connection.CurrentDatabase();
      restrictions[2] = name;
      MySqlSchemaCollection proc = connection.GetSchemaCollection("procedures", restrictions);
      if (proc.Rows.Count > 1)
        throw new MySqlException(Resources.ProcAndFuncSameName);
      if (proc.Rows.Count == 0)
        throw new MySqlException(String.Format(Resources.InvalidProcName, name, schema));

      ProcedureCacheEntry entry = new ProcedureCacheEntry();
      entry.procedure = proc;

      // we don't use GetSchema here because that would cause another
      // query of procedures and we don't need that since we already
      // know the procedure we care about.
      ISSchemaProvider isp = new ISSchemaProvider(connection);
      string[] rest = isp.CleanRestrictions(restrictions);
      MySqlSchemaCollection parameters = isp.GetProcedureParameters(rest, proc);
      entry.parameters = parameters;

      return entry;
    }
示例#16
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        public virtual void Configure(MySqlConnection connection)
        {
            bool firstConfigure = false;

            // if we have not already configured our server variables
            // then do so now
            if (serverProps == null)
            {
                firstConfigure = true;

                // if we are in a pool and the user has said it's ok to cache the
                // properties, then grab it from the pool
                try
                {
                    if (Pool != null && Settings.CacheServerProperties)
                    {
                        if (Pool.ServerProperties == null)
                            Pool.ServerProperties = LoadServerProperties(connection);
                        serverProps = Pool.ServerProperties;
                    }
                    else
                        serverProps = LoadServerProperties(connection);

                    LoadCharacterSets(connection);
                }
                catch (MySqlException ex)
                {
                    // expired password capability
                    if (ex.Number == 1820)
                    {
                        IsPasswordExpired = true;
                        return;
                    }
                    throw;
                }
            }


#if AUTHENTICATED
      string licenseType = serverProps["license"];
      if (licenseType == null || licenseType.Length == 0 || 
        licenseType != "commercial") 
        throw new MySqlException( "This client library licensed only for use with commercially-licensed MySQL servers." );
#endif
            // if the user has indicated that we are not to reset
            // the connection and this is not our first time through,
            // then we are done.
            if (!Settings.ConnectionReset && !firstConfigure) return;

            string charSet = connectionString.CharacterSet;
            if (charSet == null || charSet.Length == 0)
            {
                if (serverCharSetIndex >= 0 && charSets.ContainsKey(serverCharSetIndex))
                    charSet = (string)charSets[serverCharSetIndex];
                else
                    charSet = serverCharSet;
            }

            if (serverProps.ContainsKey("max_allowed_packet"))
                maxPacketSize = Convert.ToInt64(serverProps["max_allowed_packet"]);

            // now tell the server which character set we will send queries in and which charset we
            // want results in
            MySqlCommand charSetCmd = new MySqlCommand("SET character_set_results=NULL",
                              connection);
            charSetCmd.InternallyCreated = true;

            string clientCharSet;
            serverProps.TryGetValue("character_set_client", out clientCharSet);
            string connCharSet;
            serverProps.TryGetValue("character_set_connection", out connCharSet);
            if ((clientCharSet != null && clientCharSet.ToString() != charSet) ||
              (connCharSet != null && connCharSet.ToString() != charSet))
            {
                MySqlCommand setNamesCmd = new MySqlCommand("SET NAMES " + charSet, connection);
                setNamesCmd.InternallyCreated = true;
                setNamesCmd.ExecuteNonQuery();
            }
            charSetCmd.ExecuteNonQuery();

            if (charSet != null)
                Encoding = CharSetMap.GetEncoding(Version, charSet);
            else
                Encoding = CharSetMap.GetEncoding(Version, "utf8");

            handler.Configure();
        }
 public SchemaProvider(MySqlConnection connectionToUse)
 {
     connection = connectionToUse;
 }
示例#18
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 public virtual void CloseQuery(MySqlConnection connection, int statementId)
 {
     if (handler.WarningCount > 0)
         ReportWarnings(connection);
 }
示例#19
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        public virtual List<MySqlError> ReportWarnings(MySqlConnection connection)
        {
            List<MySqlError> warnings = new List<MySqlError>();

            MySqlCommand cmd = new MySqlCommand("SHOW WARNINGS", connection);
            cmd.InternallyCreated = true;
            using (MySqlDataReader reader = cmd.ExecuteReader())
            {
                while (reader.Read())
                {
                    warnings.Add(new MySqlError(reader.GetString(0),
                                  reader.GetInt32(1), reader.GetString(2)));
                }
            }

            MySqlInfoMessageEventArgs args = new MySqlInfoMessageEventArgs();
            args.errors = warnings.ToArray();
            if (connection != null)
                connection.OnInfoMessage(args);
            return warnings;
        }
示例#20
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        /// <summary>
        /// Loads all the current character set names and ids for this server 
        /// into the charSets hashtable
        /// </summary>
        private void LoadCharacterSets(MySqlConnection connection)
        {
            MySqlCommand cmd = new MySqlCommand("SHOW COLLATION", connection);

            // now we load all the currently active collations
            try
            {
                using (MySqlDataReader reader = cmd.ExecuteReader())
                {
                    charSets = new Dictionary<int, string>();
                    while (reader.Read())
                    {
                        charSets[Convert.ToInt32(reader["id"], NumberFormatInfo.InvariantInfo)] =
                          reader.GetString(reader.GetOrdinal("charset"));
                    }
                }
            }
            catch (Exception ex)
            {
                MySqlTrace.LogError(ThreadID, ex.Message);
                throw;
            }
        }
 public MySqlPromotableTransaction(MySqlConnection connection, Transaction baseTransaction)
 {
   this.connection = connection;
   this.baseTransaction = baseTransaction;
 }
 private ProcedureCacheEntry AddNew(MySqlConnection connection, string spName)
 {
   ProcedureCacheEntry procData = GetProcData(connection, spName);
   if (maxSize > 0)
   {
     string cacheKey = GetCacheKey(spName, procData);
     int hash = cacheKey.GetHashCode();
     lock (procHash)
     {
       if (procHash.Keys.Count >= maxSize)
         TrimHash();
       if (!procHash.ContainsKey(hash))
       {
         procHash[hash] = procData;
         hashQueue.Enqueue(hash);
       }
     }
   }
   return procData;
 }
示例#23
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 /// <include file='docs/MySqlDataAdapter.xml' path='docs/Ctor2/*'/>
 public MySqlDataAdapter(string selectCommandText, MySqlConnection connection)
   : this()
 {
     SelectCommand = new MySqlCommand(selectCommandText, connection);
 }
示例#24
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 /// <include file='docs/mysqlcommand.xml' path='docs/ctor3/*'/>
 public MySqlCommand(string cmdText, MySqlConnection connection)
   : this(cmdText)
 {
     Connection = connection;
 }
示例#25
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 /// <summary>
 /// Creates a new MySqlConnection object with the exact same ConnectionString value
 /// </summary>
 /// <returns>A cloned MySqlConnection object</returns>
 public object Clone()
 {
     MySqlConnection clone = new MySqlConnection();
     string connectionString = Settings.ConnectionString;
     if (connectionString != null)
         clone.ConnectionString = connectionString;
     return clone;
 }
示例#26
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 /// <summary>
 /// Loads the properties from the connected server into a hashtable
 /// </summary>
 /// <param name="connection"></param>
 /// <returns></returns>
 private Dictionary<string, string> LoadServerProperties(MySqlConnection connection)
 {
     // load server properties
     Dictionary<string, string> hash = new Dictionary<string, string>();
     MySqlCommand cmd = new MySqlCommand("SHOW VARIABLES", connection);
     try
     {
         using (MySqlDataReader reader = cmd.ExecuteReader())
         {
             while (reader.Read())
             {
                 string key = reader.GetString(0);
                 string value = reader.GetString(1);
                 hash[key] = value;
             }
         }
         // Get time zone offset as numerical value
         timeZoneOffset = GetTimeZoneOffset(connection);
         return hash;
     }
     catch (Exception ex)
     {
         MySqlTrace.LogError(ThreadID, ex.Message);
         throw;
     }
 }
 public PerformanceMonitor(MySqlConnection connection)
 {
   Connection = connection;
 }
示例#28
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        public void CancelQuery(int timeout)
        {
            MySqlConnectionStringBuilder cb = new MySqlConnectionStringBuilder(
              Settings.ConnectionString);
            cb.Pooling = false;
            cb.AutoEnlist = false;
            cb.ConnectionTimeout = (uint)timeout;

            using (MySqlConnection c = new MySqlConnection(cb.ConnectionString))
            {
                c.isKillQueryConnection = true;
                c.Open();
                string commandText = "KILL QUERY " + ServerThread;
                MySqlCommand cmd = new MySqlCommand(commandText, c);
                cmd.CommandTimeout = timeout;
                cmd.ExecuteNonQuery();
            }
        }
示例#29
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 public void Dispose()
 {
     if (timeoutSet)
     {
         timeoutSet = false;
         connection.ClearCommandTimeout();
         connection = null;
     }
 }
 public ISSchemaProvider(MySqlConnection connection)
   : base(connection)
 {
 }