示例#1
0
        //public int InsertNodeRow(NodeData nodeData)
        //{
        //    SqlProcedure cmd = null;
        //    SqlDataReader reader = null;
        //    var result = 0;
        //    try
        //    {
        //        cmd = new SqlProcedure { CommandText = "proc_Node_Insert" };
        //        cmd.Parameters.Add("@NodeTypeId", SqlDbType.Int).Value = nodeData.NodeTypeId;
        //        cmd.Parameters.Add("@ContentListTypeId", SqlDbType.Int).Value = (nodeData.ContentListTypeId != 0) ? (object)nodeData.ContentListTypeId : DBNull.Value;
        //        cmd.Parameters.Add("@ContentListId", SqlDbType.Int).Value = (nodeData.ContentListId != 0) ? (object)nodeData.ContentListId : DBNull.Value;
        //        cmd.Parameters.Add("@IsDeleted", SqlDbType.TinyInt).Value = nodeData.IsDeleted ? 1 : 0;
        //        cmd.Parameters.Add("@IsInherited", SqlDbType.TinyInt).Value = nodeData.IsInherited ? 1 : 0;
        //        cmd.Parameters.Add("@ParentNodeId", SqlDbType.Int).Value = (nodeData.ParentId > 0) ? (object)nodeData.ParentId : DBNull.Value;
        //        cmd.Parameters.Add("@Name", SqlDbType.NVarChar, 450).Value = nodeData.Name;
        //        cmd.Parameters.Add("@DisplayName", SqlDbType.NVarChar, 450).Value = (object)nodeData.DisplayName ?? DBNull.Value;
        //        cmd.Parameters.Add("@Path", SqlDbType.NVarChar, 450).Value = nodeData.Path;
        //        cmd.Parameters.Add("@Index", SqlDbType.Int).Value = nodeData.Index;
        //        cmd.Parameters.Add("@Locked", SqlDbType.TinyInt).Value = nodeData.Locked ? 1 : 0;
        //        cmd.Parameters.Add("@LockedById", SqlDbType.Int).Value = (nodeData.LockedById > 0) ? (object)nodeData.LockedById : DBNull.Value;
        //        cmd.Parameters.Add("@ETag", SqlDbType.VarChar, 50).Value = nodeData.ETag ?? String.Empty;
        //        cmd.Parameters.Add("@LockType", SqlDbType.Int).Value = nodeData.LockType;
        //        cmd.Parameters.Add("@LockTimeout", SqlDbType.Int).Value = nodeData.LockTimeout;
        //        cmd.Parameters.Add("@LockDate", SqlDbType.DateTime).Value = nodeData.LockDate;
        //        cmd.Parameters.Add("@LockToken", SqlDbType.VarChar, 50).Value = nodeData.LockToken ?? String.Empty;
        //        cmd.Parameters.Add("@LastLockUpdate", SqlDbType.DateTime).Value = nodeData.LastLockUpdate;
        //        cmd.Parameters.Add("@CreationDate", SqlDbType.DateTime).Value = nodeData.NodeCreationDate;
        //        cmd.Parameters.Add("@CreatedById", SqlDbType.Int).Value = nodeData.NodeCreatedById;
        //        cmd.Parameters.Add("@ModificationDate", SqlDbType.DateTime).Value = nodeData.NodeModificationDate;
        //        cmd.Parameters.Add("@ModifiedById", SqlDbType.Int).Value = nodeData.NodeModifiedById;

        //        reader = cmd.ExecuteReader();
        //        while (reader.Read())
        //        {
        //            // SELECT [NodeId], [Timestamp] FROM Nodes WHERE NodeId = @@IDENTITY
        //            result = Convert.ToInt32(reader[0]);
        //            nodeData.NodeTimestamp = SqlProvider.GetLongFromBytes((byte[])reader[1]);
        //        }
        //    }
        //    catch (SqlException e) //rethrow
        //    {
        //        throw new DataException(e.Message, e);
        //    }
        //    finally
        //    {
        //        if (reader != null && !reader.IsClosed)
        //            reader.Close();
        //        cmd.Dispose();
        //    }
        //    return result;
        //}
        public void UpdateNodeRow(NodeData nodeData)
        {
            SqlProcedure  cmd    = null;
            SqlDataReader reader = null;

            try
            {
                cmd = new SqlProcedure {
                    CommandText = "proc_Node_Update"
                };
                cmd.Parameters.Add("@NodeId", SqlDbType.Int).Value                = nodeData.Id;
                cmd.Parameters.Add("@NodeTypeId", SqlDbType.Int).Value            = nodeData.NodeTypeId;
                cmd.Parameters.Add("@ContentListTypeId", SqlDbType.Int).Value     = (nodeData.ContentListTypeId != 0) ? (object)nodeData.ContentListTypeId : DBNull.Value;
                cmd.Parameters.Add("@ContentListId", SqlDbType.Int).Value         = (nodeData.ContentListId != 0) ? (object)nodeData.ContentListId : DBNull.Value;
                cmd.Parameters.Add("@IsDeleted", SqlDbType.TinyInt).Value         = nodeData.IsDeleted ? 1 : 0;
                cmd.Parameters.Add("@IsInherited", SqlDbType.TinyInt).Value       = nodeData.IsInherited ? 1 : 0;
                cmd.Parameters.Add("@ParentNodeId", SqlDbType.Int).Value          = (nodeData.ParentId > 0) ? (object)nodeData.ParentId : DBNull.Value;
                cmd.Parameters.Add("@Name", SqlDbType.NVarChar, 450).Value        = nodeData.Name;
                cmd.Parameters.Add("@DisplayName", SqlDbType.NVarChar, 450).Value = (object)nodeData.DisplayName ?? DBNull.Value;
                cmd.Parameters.Add("@Path", SqlDbType.NVarChar, 450).Value        = nodeData.Path;
                cmd.Parameters.Add("@Index", SqlDbType.Int).Value                 = nodeData.Index;
                cmd.Parameters.Add("@Locked", SqlDbType.TinyInt).Value            = nodeData.Locked ? 1 : 0;
                cmd.Parameters.Add("@LockedById", SqlDbType.Int).Value            = (nodeData.LockedById > 0) ? (object)nodeData.LockedById : DBNull.Value;
                cmd.Parameters.Add("@ETag", SqlDbType.VarChar, 50).Value          = nodeData.ETag ?? String.Empty;
                cmd.Parameters.Add("@LockType", SqlDbType.Int).Value              = nodeData.LockType;
                cmd.Parameters.Add("@LockTimeout", SqlDbType.Int).Value           = nodeData.LockTimeout;
                cmd.Parameters.Add("@LockDate", SqlDbType.DateTime).Value         = nodeData.LockDate;
                cmd.Parameters.Add("@LockToken", SqlDbType.VarChar, 50).Value     = nodeData.LockToken ?? String.Empty;
                cmd.Parameters.Add("@LastLockUpdate", SqlDbType.DateTime).Value   = nodeData.LastLockUpdate;
                cmd.Parameters.Add("@CreationDate", SqlDbType.DateTime).Value     = nodeData.NodeCreationDate;
                cmd.Parameters.Add("@CreatedById", SqlDbType.Int).Value           = nodeData.NodeCreatedById;
                cmd.Parameters.Add("@ModificationDate", SqlDbType.DateTime).Value = nodeData.NodeModificationDate;
                cmd.Parameters.Add("@ModifiedById", SqlDbType.Int).Value          = nodeData.NodeModifiedById;
                cmd.Parameters.Add("@NodeTimestamp", SqlDbType.Timestamp).Value   = SqlProvider.GetBytesFromLong(nodeData.NodeTimestamp);

                reader = cmd.ExecuteReader();
                while (reader.Read())
                {
                    // SELECT [Timestamp] FROM Nodes WHERE NodeId = @NodeId
                    nodeData.NodeTimestamp = SqlProvider.GetLongFromBytes((byte[])reader[0]);
                }
            }
            catch (SqlException sex) //rethrow
            {
                if (sex.Message.StartsWith("Node is out of date"))
                {
                    throw new NodeIsOutOfDateException(nodeData.Id, nodeData.Path, nodeData.VersionId, nodeData.Version, sex, nodeData.NodeTimestamp);
                }
                throw new DataException(sex.Message, sex);
            }
            finally
            {
                if (reader != null && !reader.IsClosed)
                {
                    reader.Close();
                }
                cmd.Dispose();
            }
        }
示例#2
0
        public void CopyAndUpdateVersion(NodeData nodeData, int previousVersionId, int destinationVersionId, out int lastMajorVersionId, out int lastMinorVersionId)
        {
            SqlProcedure  cmd    = null;
            SqlDataReader reader = null;

            lastMajorVersionId = 0;
            lastMinorVersionId = 0;

            try
            {
                cmd = new SqlProcedure {
                    CommandText = "proc_Version_CopyAndUpdate"
                };
                cmd.Parameters.Add("@PreviousVersionId", SqlDbType.Int).Value    = previousVersionId;
                cmd.Parameters.Add("@DestinationVersionId", SqlDbType.Int).Value = (destinationVersionId != 0) ? (object)destinationVersionId : DBNull.Value;
                cmd.Parameters.Add("@NodeId", SqlDbType.Int).Value                = nodeData.Id;
                cmd.Parameters.Add("@MajorNumber", SqlDbType.SmallInt).Value      = nodeData.Version.Major;
                cmd.Parameters.Add("@MinorNumber", SqlDbType.SmallInt).Value      = nodeData.Version.Minor;
                cmd.Parameters.Add("@Status", SqlDbType.SmallInt).Value           = nodeData.Version.Status;
                cmd.Parameters.Add("@CreationDate", SqlDbType.DateTime).Value     = nodeData.VersionCreationDate;
                cmd.Parameters.Add("@CreatedById", SqlDbType.Int).Value           = nodeData.VersionCreatedById;
                cmd.Parameters.Add("@ModificationDate", SqlDbType.DateTime).Value = nodeData.VersionModificationDate;
                cmd.Parameters.Add("@ModifiedById", SqlDbType.Int).Value          = nodeData.VersionModifiedById;
                cmd.Parameters.Add("@ChangedData", SqlDbType.NText).Value         = JsonConvert.SerializeObject(nodeData.ChangedData);

                reader = cmd.ExecuteReader();
                while (reader.Read())
                {
                    // SELECT VersionId, [Timestamp] FROM Versions WHERE VersionId = @NewVersionId
                    nodeData.VersionId        = Convert.ToInt32(reader[0]);
                    nodeData.NodeTimestamp    = SqlProvider.GetLongFromBytes((byte[])reader[1]);
                    nodeData.VersionTimestamp = SqlProvider.GetLongFromBytes((byte[])reader[2]);

                    lastMajorVersionId = reader.GetSafeInt32(3);
                    lastMinorVersionId = reader.GetSafeInt32(4);
                }
                if (reader.NextResult())
                {
                    // SELECT BinaryPropertyId, PropertyTypeId FROM BinaryProperties WHERE VersionId = @NewVersionId
                    while (reader.Read())
                    {
                        var binId      = Convert.ToInt32(reader[0]);
                        var propId     = Convert.ToInt32(reader[1]);
                        var binaryData = (BinaryDataValue)nodeData.GetDynamicRawData(propId);
                        binaryData.Id = binId;
                    }
                }
            }
            finally
            {
                if (reader != null && !reader.IsClosed)
                {
                    reader.Close();
                }

                cmd.Dispose();
            }
        }
示例#3
0
        // ============================================================================ "less roundtrip methods"

        public virtual void InsertNodeAndVersionRows(NodeData nodeData, out int lastMajorVersionId, out int lastMinorVersionId)
        {
            using (var cmd = new SqlProcedure {
                CommandText = "proc_NodeAndVersion_Insert"
            })
            {
                cmd.Parameters.Add("@NodeTypeId", SqlDbType.Int).Value             = nodeData.NodeTypeId;
                cmd.Parameters.Add("@ContentListTypeId", SqlDbType.Int).Value      = (nodeData.ContentListTypeId != 0) ? (object)nodeData.ContentListTypeId : DBNull.Value;
                cmd.Parameters.Add("@ContentListId", SqlDbType.Int).Value          = (nodeData.ContentListId != 0) ? (object)nodeData.ContentListId : DBNull.Value;
                cmd.Parameters.Add("@CreatingInProgress", SqlDbType.TinyInt).Value = nodeData.CreatingInProgress;
                cmd.Parameters.Add("@IsDeleted", SqlDbType.TinyInt).Value          = nodeData.IsDeleted ? 1 : 0;
                cmd.Parameters.Add("@IsInherited", SqlDbType.TinyInt).Value        = 0;
                cmd.Parameters.Add("@ParentNodeId", SqlDbType.Int).Value           = (nodeData.ParentId > 0) ? (object)nodeData.ParentId : DBNull.Value;
                cmd.Parameters.Add("@Name", SqlDbType.NVarChar, 450).Value         = nodeData.Name;
                cmd.Parameters.Add("@DisplayName", SqlDbType.NVarChar, 450).Value  = (object)nodeData.DisplayName ?? DBNull.Value;
                cmd.Parameters.Add("@Path", SqlDbType.NVarChar, 450).Value         = nodeData.Path;
                cmd.Parameters.Add("@Index", SqlDbType.Int).Value                     = nodeData.Index;
                cmd.Parameters.Add("@Locked", SqlDbType.TinyInt).Value                = nodeData.Locked ? 1 : 0;
                cmd.Parameters.Add("@LockedById", SqlDbType.Int).Value                = (nodeData.LockedById > 0) ? (object)nodeData.LockedById : DBNull.Value;
                cmd.Parameters.Add("@ETag", SqlDbType.VarChar, 50).Value              = nodeData.ETag ?? String.Empty;
                cmd.Parameters.Add("@LockType", SqlDbType.Int).Value                  = nodeData.LockType;
                cmd.Parameters.Add("@LockTimeout", SqlDbType.Int).Value               = nodeData.LockTimeout;
                cmd.Parameters.Add("@LockDate", SqlDbType.DateTime).Value             = nodeData.LockDate;
                cmd.Parameters.Add("@LockToken", SqlDbType.VarChar, 50).Value         = nodeData.LockToken ?? String.Empty;
                cmd.Parameters.Add("@LastLockUpdate", SqlDbType.DateTime).Value       = nodeData.LastLockUpdate;
                cmd.Parameters.Add("@NodeCreationDate", SqlDbType.DateTime).Value     = nodeData.CreationDate;
                cmd.Parameters.Add("@NodeCreatedById", SqlDbType.Int).Value           = nodeData.CreatedById;
                cmd.Parameters.Add("@NodeModificationDate", SqlDbType.DateTime).Value = nodeData.ModificationDate;
                cmd.Parameters.Add("@NodeModifiedById", SqlDbType.Int).Value          = nodeData.ModifiedById;

                cmd.Parameters.Add("@IsSystem", SqlDbType.TinyInt).Value  = nodeData.IsSystem ? 1 : 0;
                cmd.Parameters.Add("@OwnerId", SqlDbType.Int).Value       = nodeData.OwnerId;
                cmd.Parameters.Add("@SavingState", SqlDbType.Int).Value   = (int)nodeData.SavingState;
                cmd.Parameters.Add("@ChangedData", SqlDbType.NText).Value = JsonConvert.SerializeObject(nodeData.ChangedData);

                cmd.Parameters.Add("@MajorNumber", SqlDbType.SmallInt).Value      = nodeData.Version.Major;
                cmd.Parameters.Add("@MinorNumber", SqlDbType.SmallInt).Value      = nodeData.Version.Minor;
                cmd.Parameters.Add("@Status", SqlDbType.SmallInt).Value           = nodeData.Version.Status;
                cmd.Parameters.Add("@CreationDate", SqlDbType.DateTime).Value     = nodeData.VersionCreationDate;
                cmd.Parameters.Add("@CreatedById", SqlDbType.Int).Value           = nodeData.VersionCreatedById;
                cmd.Parameters.Add("@ModificationDate", SqlDbType.DateTime).Value = nodeData.VersionModificationDate;
                cmd.Parameters.Add("@ModifiedById", SqlDbType.Int).Value          = nodeData.VersionModifiedById;

                using (var reader = cmd.ExecuteReader())
                {
                    reader.Read();
                    nodeData.Id               = Convert.ToInt32(reader[0]);
                    nodeData.VersionId        = Convert.ToInt32(reader[1]);
                    nodeData.NodeTimestamp    = SqlProvider.GetLongFromBytes((byte[])reader[2]);
                    nodeData.VersionTimestamp = SqlProvider.GetLongFromBytes((byte[])reader[3]);

                    lastMajorVersionId = reader.GetSafeInt32(4);
                    lastMinorVersionId = reader.GetSafeInt32(5);

                    nodeData.Path = reader.GetSafeString(6);
                }
            }
        }
示例#4
0
        //============================================================================ "less roundtrip methods"

        public void InsertNodeAndVersionRows(NodeData nodeData, out int lastMajorVersionId, out int lastMinorVersionId)
        {
            using (var cmd = new SqlProcedure {
                CommandText = INSERT_NODE_AND_VERSION_ROWS, CommandType = CommandType.Text
            })
            {
                cmd.Parameters.Add("@NodeTypeId", SqlDbType.Int).Value            = nodeData.NodeTypeId;
                cmd.Parameters.Add("@ContentListTypeId", SqlDbType.Int).Value     = (nodeData.ContentListTypeId != 0) ? (object)nodeData.ContentListTypeId : DBNull.Value;
                cmd.Parameters.Add("@ContentListId", SqlDbType.Int).Value         = (nodeData.ContentListId != 0) ? (object)nodeData.ContentListId : DBNull.Value;
                cmd.Parameters.Add("@IsDeleted", SqlDbType.TinyInt).Value         = nodeData.IsDeleted ? 1 : 0;
                cmd.Parameters.Add("@IsInherited", SqlDbType.TinyInt).Value       = nodeData.IsInherited ? 1 : 0;
                cmd.Parameters.Add("@ParentNodeId", SqlDbType.Int).Value          = (nodeData.ParentId > 0) ? (object)nodeData.ParentId : DBNull.Value;
                cmd.Parameters.Add("@Name", SqlDbType.NVarChar, 450).Value        = nodeData.Name;
                cmd.Parameters.Add("@DisplayName", SqlDbType.NVarChar, 450).Value = (object)nodeData.DisplayName ?? DBNull.Value;
                cmd.Parameters.Add("@Path", SqlDbType.NVarChar, 450).Value        = nodeData.Path;
                cmd.Parameters.Add("@Index", SqlDbType.Int).Value                     = nodeData.Index;
                cmd.Parameters.Add("@Locked", SqlDbType.TinyInt).Value                = nodeData.Locked ? 1 : 0;
                cmd.Parameters.Add("@LockedById", SqlDbType.Int).Value                = (nodeData.LockedById > 0) ? (object)nodeData.LockedById : DBNull.Value;
                cmd.Parameters.Add("@ETag", SqlDbType.VarChar, 50).Value              = nodeData.ETag ?? String.Empty;
                cmd.Parameters.Add("@LockType", SqlDbType.Int).Value                  = nodeData.LockType;
                cmd.Parameters.Add("@LockTimeout", SqlDbType.Int).Value               = nodeData.LockTimeout;
                cmd.Parameters.Add("@LockDate", SqlDbType.DateTime).Value             = nodeData.LockDate;
                cmd.Parameters.Add("@LockToken", SqlDbType.VarChar, 50).Value         = nodeData.LockToken ?? String.Empty;
                cmd.Parameters.Add("@LastLockUpdate", SqlDbType.DateTime).Value       = nodeData.LastLockUpdate;
                cmd.Parameters.Add("@NodeCreationDate", SqlDbType.DateTime).Value     = nodeData.NodeCreationDate;
                cmd.Parameters.Add("@NodeCreatedById", SqlDbType.Int).Value           = nodeData.NodeCreatedById;
                cmd.Parameters.Add("@NodeModificationDate", SqlDbType.DateTime).Value = nodeData.NodeModificationDate;
                cmd.Parameters.Add("@NodeModifiedById", SqlDbType.Int).Value          = nodeData.NodeModifiedById;

                cmd.Parameters.Add("@MajorNumber", SqlDbType.SmallInt).Value      = nodeData.Version.Major;
                cmd.Parameters.Add("@MinorNumber", SqlDbType.SmallInt).Value      = nodeData.Version.Minor;
                cmd.Parameters.Add("@Status", SqlDbType.SmallInt).Value           = nodeData.Version.Status;
                cmd.Parameters.Add("@CreationDate", SqlDbType.DateTime).Value     = nodeData.CreationDate;
                cmd.Parameters.Add("@CreatedById", SqlDbType.Int).Value           = nodeData.CreatedById;
                cmd.Parameters.Add("@ModificationDate", SqlDbType.DateTime).Value = nodeData.ModificationDate;
                cmd.Parameters.Add("@ModifiedById", SqlDbType.Int).Value          = nodeData.ModifiedById;

                using (var reader = cmd.ExecuteReader())
                {
                    reader.Read();
                    nodeData.Id               = Convert.ToInt32(reader[0]);
                    nodeData.VersionId        = Convert.ToInt32(reader[1]);
                    nodeData.NodeTimestamp    = SqlProvider.GetLongFromBytes((byte[])reader[2]);
                    nodeData.VersionTimestamp = SqlProvider.GetLongFromBytes((byte[])reader[3]);

                    lastMajorVersionId = reader.GetSafeInt32(4);
                    lastMinorVersionId = reader.GetSafeInt32(5);
                }
            }
        }
示例#5
0
        /*============================================================================ Version Insert/Update */

        //public int InsertVersionRow(NodeData nodeData)
        //{
        //    SqlProcedure cmd = null;
        //    SqlDataReader reader = null;
        //    int result = 0;
        //    try
        //    {
        //        cmd = new SqlProcedure { CommandText = "proc_Version_Insert" };
        //        cmd.Parameters.Add("@NodeId", SqlDbType.Int).Value = nodeData.Id;
        //        cmd.Parameters.Add("@MajorNumber", SqlDbType.SmallInt).Value = nodeData.Version.Major;
        //        cmd.Parameters.Add("@MinorNumber", SqlDbType.SmallInt).Value = nodeData.Version.Minor;
        //        cmd.Parameters.Add("@Status", SqlDbType.SmallInt).Value = nodeData.Version.Status;
        //        cmd.Parameters.Add("@CreationDate", SqlDbType.DateTime).Value = nodeData.CreationDate;
        //        cmd.Parameters.Add("@CreatedById", SqlDbType.Int).Value = nodeData.CreatedById;
        //        cmd.Parameters.Add("@ModificationDate", SqlDbType.DateTime).Value = nodeData.ModificationDate;
        //        cmd.Parameters.Add("@ModifiedById", SqlDbType.Int).Value = nodeData.ModifiedById;

        //        reader = cmd.ExecuteReader();
        //        while (reader.Read())
        //        {
        //            // SELECT VersionId, [Timestamp] FROM Versions WHERE VersionId = @@IDENTITY
        //            result = Convert.ToInt32(reader[0]);
        //            nodeData.VersionTimestamp = SqlProvider.GetLongFromBytes((byte[])reader[1]);
        //        }
        //    }
        //    finally
        //    {
        //        if (reader != null && !reader.IsClosed)
        //            reader.Close();
        //        cmd.Dispose();
        //    }
        //    return result;
        //}
        public void UpdateVersionRow(NodeData nodeData, out int lastMajorVersionId, out int lastMinorVersionId)
        {
            SqlProcedure  cmd    = null;
            SqlDataReader reader = null;

            lastMajorVersionId = 0;
            lastMinorVersionId = 0;

            try
            {
                cmd = new SqlProcedure {
                    CommandText = "proc_Version_Update"
                };
                cmd.Parameters.Add("@VersionId", SqlDbType.Int).Value = nodeData.VersionId;
                cmd.Parameters.Add("@NodeId", SqlDbType.Int).Value    = nodeData.Id;
                if (nodeData.IsPropertyChanged("Version"))
                {
                    cmd.Parameters.Add("@MajorNumber", SqlDbType.SmallInt).Value = nodeData.Version.Major;
                    cmd.Parameters.Add("@MinorNumber", SqlDbType.SmallInt).Value = nodeData.Version.Minor;
                    cmd.Parameters.Add("@Status", SqlDbType.SmallInt).Value      = nodeData.Version.Status;
                }
                cmd.Parameters.Add("@CreationDate", SqlDbType.DateTime).Value     = nodeData.VersionCreationDate;
                cmd.Parameters.Add("@CreatedById", SqlDbType.Int).Value           = nodeData.VersionCreatedById;
                cmd.Parameters.Add("@ModificationDate", SqlDbType.DateTime).Value = nodeData.VersionModificationDate;
                cmd.Parameters.Add("@ModifiedById", SqlDbType.Int).Value          = nodeData.VersionModifiedById;
                cmd.Parameters.Add("@ChangedData", SqlDbType.NText).Value         = JsonConvert.SerializeObject(nodeData.ChangedData);

                reader = cmd.ExecuteReader();
                while (reader.Read())
                {
                    // SELECT [Timestamp] FROM Versions WHERE VersionId = @VersionId
                    nodeData.NodeTimestamp    = SqlProvider.GetLongFromBytes((byte[])reader[0]);
                    nodeData.VersionTimestamp = SqlProvider.GetLongFromBytes((byte[])reader[1]);

                    lastMajorVersionId = reader.GetSafeInt32(2);
                    lastMinorVersionId = reader.GetSafeInt32(3);
                }
            }
            finally
            {
                if (reader != null && !reader.IsClosed)
                {
                    reader.Close();
                }
                cmd.Dispose();
            }
        }