Example #1
0
        private bool DeleteObjects <T>(LineObjectCollection <T> locLineObjects, TableSpecification ts) where T : IRemovableLineObject <T>
        {
            // DK - At the moment this method works ONLY with BIGINT type primary keys

            if (locLineObjects != null)
            {
                IdentityList il = new IdentityList();

                try
                {
                    foreach (IRemovableLineObject <T> obj in locLineObjects.Values)
                    {
                        il.AddUnique(obj.RemoveId);
                    }

                    DataCopy.ExecuteScalar(m_conn, m_transaction, "DELETE FROM {0} WHERE {1} IN ({2})", ts.TableName, ts.IdentityNames[0], il.FormatIds());

                    UpdateStatistic us = m_uss.EnsureStatistic(ts.TableName);

                    us.DeleteCount = il.Count;

                    return(true);
                }
                catch (Exception excp)
                {
                    m_logger.Excp(excp, "DeleteObjects<{0}> ERROR. ObjectIds: {1}", typeof(T), il.FormatIds());
                    throw;
                }
            }

            return(false);
        }
Example #2
0
        public static long GetMaxLocalIdentity(IDbConnection conn, IDbTransaction transaction, string sTableName, string sLocalIdColumnName)
        {
            try
            {
                object objMax = DataCopy.ExecuteScalar(conn, transaction, "SELECT MAX({0}) FROM {1}", sLocalIdColumnName, sTableName);

                return(objMax == DBNull.Value ? 0 : Convert.ToInt64(objMax));
            }
            catch (Exception excp)
            {
                m_logger.ErrorFormat("GetMaxLocalIdentity({0}, {1}) ERROR:{2}\r\n{3}", excp, sTableName, sLocalIdColumnName, excp.Message, excp.StackTrace);

                string sError = string.Format("Cannot get local MAX Identity for [{0}][{1}]", sLocalIdColumnName, sTableName);

                throw new System.Exception(sError);
            }
        }
 public override void Delete(IDbConnection conn, IDbTransaction transaction)
 {
     DataCopy.ExecuteScalar(conn, transaction, "DELETE FROM {0} WHERE {1} = {2}", this.Table.TableName, this.Table.IdentityNames[0], this.ORMID);
 }