Exemplo n.º 1
0
        protected void AddMasterDataTable()
        {
            var metadata = (TMappingInfo)MappingFactory.GetMapping(typeof(TMappingInfo));

            // Add main data table
            AddDataTable(metadata.TableName, metadata.EntityName, metadata);
        }
Exemplo n.º 2
0
        protected virtual TEntity ReadEntity(IDataReader reader)
        {
            var entity = new TEntity();

            var items = _metadata.Columns;

            foreach (var item in items)
            {
                if (IgnoreMemoFields && item.IsMemo)
                {
                    continue;
                }

                var fieldIndex = reader.GetOrdinal(item.Name);
                if (reader.IsDBNull(fieldIndex))
                {
                    continue;
                }
                entity[item.Name] = reader.GetValue(fieldIndex);
            }

            if (_associations == null)
            {
                return(entity);
            }

            foreach (var belong in _associations)
            {
                var fieldIndex = reader.GetOrdinal(belong.ThisKeys[0]);

                if (reader.IsDBNull(fieldIndex))
                {
                    continue;
                }

                var propEntity = entity[belong.Name] as Entity;
                if (propEntity == null)
                {
                    continue;
                }

                var omapping = MappingFactory.GetMapping(belong.OtherMappingType);

                for (var x = 0; x < omapping.Columns.Count; x++)
                {
                    var item     = omapping.Columns[x];
                    var itemName = belong.Name + "." + item.Name;
                    fieldIndex = reader.GetOrdinal(itemName);
                    if (!reader.IsDBNull(fieldIndex))
                    {
                        propEntity[item.Name] = reader.GetValue(fieldIndex);
                    }
                }
            }


            return(entity);
        }
Exemplo n.º 3
0
 public Repository()
 {
     _metadata            = MappingFactory.GetMapping <TMappingInfo>();
     _tableName           = _metadata.TableName;
     _tableAlias          = _metadata.EntityName;
     _entityName          = _metadata.EntityName;
     _associations        = _metadata.Associations.Where(x => x.GetType().Name == "MakeReferenceToMapping`2");
     _hasManyAssociations = _metadata.Associations.Where(x => x.GetType().Name == "HasManyMapping`2");
 }
        public void Will_returnAttributeDataTypeMapping_When_Requested()
        {
            ValueMapping mapping = MappingFactory.GetMapping(MappingTypes.ATTRIBUTE_DATA_TYPE);

            Assert.IsNotNull(mapping);
            Assert.AreEqual(MappingTypes.ATTRIBUTE_DATA_TYPE, mapping.MappingType);
            Assert.AreEqual(typeof(char), mapping.ValueType);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey('A'));
            Assert.AreEqual("Alpha numeric", mapping.PossibleValues['A']);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey('N'));
            Assert.AreEqual("Numeric", mapping.PossibleValues['N']);
        }
Exemplo n.º 5
0
        protected virtual SelectStatement GetSelectStatement(ICondition criteria, IOrderByExpression order_by_expression)
        {
            var colNames = new List <string>();
            var select   = new SelectStatement
            {
                ConnectionStringName = _connectionStringName
            };

            select.From(GetBaseSelectStatement(), _entityName);

            for (var x = 0; x < _metadata.Columns.Count; x++)
            {
                string colName = _metadata.Columns[x].Name;
                colNames.Add(colName);
                select.Column(new SqlColumnName(_metadata.Columns[x].Name), colName);
            }


            if (_associations != null)
            {
                foreach (var belong in _associations)
                {
                    var omapping = MappingFactory.GetMapping(belong.OtherMappingType);
                    for (var x = 0; x < omapping.Columns.Count; x++)
                    {
                        string colName = belong.Name + "." + omapping.Columns[x].Name;
                        if (colNames.Contains(colName))
                        {
                            continue;
                        }
                        else
                        {
                            colNames.Add(colName);
                        }
                        select.Column(new SqlColumnName(colName), colName);
                    }
                }
            }

            if (criteria != null)
            {
                select.Where(criteria);
            }

            if (order_by_expression != null)
            {
                select.OrderBy(order_by_expression);
            }

            return(select);
        }
        public void Will_ReturnStatusMapping_When_Requested()
        {
            ValueMapping mapping = MappingFactory.GetMapping(MappingTypes.STATUS);

            Assert.IsNotNull(mapping);
            Assert.AreEqual(MappingTypes.STATUS, mapping.MappingType);
            Assert.AreEqual(typeof(char), mapping.ValueType);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey('N'));
            Assert.AreEqual("Normal", mapping.PossibleValues['N']);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey('P'));
            Assert.AreEqual("Parked", mapping.PossibleValues['P']);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey('C'));
            Assert.AreEqual("Closed", mapping.PossibleValues['C']);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey('T'));
            Assert.AreEqual("Terminated", mapping.PossibleValues['T']);
        }
        public void Will_ReturnBflagMapping_When_Requested()
        {
            ValueMapping mapping = MappingFactory.GetMapping(MappingTypes.BFLAG);

            Assert.IsNotNull(mapping);
            Assert.AreEqual(MappingTypes.BFLAG, mapping.MappingType);
            Assert.AreEqual(typeof(int), mapping.ValueType);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey(1));
            Assert.AreEqual("Address(A)", mapping.PossibleValues[1]);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey(2));
            Assert.AreEqual("Memory/cache(M)", mapping.PossibleValues[2]);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey(4));
            Assert.AreEqual("Workflow(W)", mapping.PossibleValues[4]);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey(8));
            Assert.AreEqual("Master file(MF)", mapping.PossibleValues[8]);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey(16));
            Assert.AreEqual("Dates on relations", mapping.PossibleValues[16]);
            Assert.IsTrue(mapping.PossibleValues.ContainsKey(32));
            Assert.AreEqual("Form", mapping.PossibleValues[32]);
        }
Exemplo n.º 8
0
        private IDataReader GetRelatedTableReader(string table_name)
        {
            var metadata = (TMappingInfo)MappingFactory.GetMapping(typeof(TMappingInfo));
            var item     = metadata.Associations.Where(x => x.Name == table_name).FirstOrDefault();

            if (item == null)
            {
                return(null);
            }

            var omapping = MappingFactory.GetMapping(item.OtherMappingType);

            var qry = (new SelectStatement())
                      .Column(omapping.Columns.Where(x => x.Name == item.OtherKeys[0]).Single().ColumnName)
                      .From(omapping.TableName);

            var lblCount = item.OtherLabels.Count;

            if (lblCount == 0)
            {
                return(null);
            }
            else
            {
                if (lblCount == 1)
                {
                    qry.Column(omapping.Columns.Where(x => x.Name == item.OtherLabels[0]).Single().ColumnName);
                }
                else
                {
                    var lblConcat = new ConcatFunction(" | ");
                    foreach (var lbl in item.OtherLabels)
                    {
                        lblConcat.Append(new SqlColumnName(omapping.Columns.Where(x => x.Name == lbl).Single().ColumnName));
                    }
                    qry.Column(lblConcat);
                }
            }

            return(qry.ExecuteReader());
        }
Exemplo n.º 9
0
        protected void AddDetailsDataTables(TMappingInfo mapping_info)
        {
            // Add details data tables

            var items = mapping_info.Associations;

            foreach (var item in items)
            {
                var mapping         = MappingFactory.GetMapping(item.OtherMappingType);
                var tableName       = mapping.TableName;
                var tableAlias      = item.Name;
                var associationName = item.GetType().Name;

                AddDataTable(tableName, tableAlias, mapping);

                var thisColumns  = new DataColumn[item.ThisKeys.Count];
                var otherColumns = new DataColumn[item.OtherKeys.Count];

                for (int z = 0; z < item.ThisKeys.Count; z++)
                {
                    thisColumns[z] = this.Tables[0].Columns[item.ThisKeys[z]];
                }

                for (int z = 0; z < item.OtherKeys.Count; z++)
                {
                    var key  = item.OtherKeys[z];
                    var ccol = this.Tables[tableAlias].Columns[item.OtherKeys[z]];

                    otherColumns[z] = ccol;
                }

                if (associationName.Contains("Has"))
                {
                    this.Tables[tableAlias].ExtendedProperties["IsChild"] = true;
                    this.Relations.Add(new DataRelation(tableAlias, thisColumns, otherColumns));
                }
            }
        }
Exemplo n.º 10
0
        protected SelectStatement GetBaseSelectStatement()
        {
            var colNames = new List <string>();

            var select = new SelectStatement
            {
                ConnectionStringName = _connectionStringName
            };

            select.From(_tableName, _tableAlias);

            for (var x = 0; x < _metadata.Columns.Count; x++)
            {
                var col = _metadata.Columns[x];
                if (col.Name.IndexOf(".") < 0)
                {
                    select.Column(new SqlColumnName(_tableAlias, col.ColumnName), col.Name);
                }
            }

            //if (_associations == null)
            //    _associations = _metadata.Associations.Where(x => x.GetType().Name == "BelongsToMapping`2" || x.GetType().Name == "HasOneMapping`2");

            if (_associations.Count() == 0)
            {
                return(select);
            }

            foreach (var item in _associations)
            {
                var omapping = MappingFactory.GetMapping(item.OtherMappingType);

                // extra columns for criteria support
                for (var x = 0; x < omapping.Columns.Count; x++)
                {
                    var col = omapping.Columns[x];

                    string colName = item.Name + "." + col.Name;
                    if (colNames.Contains(colName))
                    {
                        continue;
                    }
                    else
                    {
                        colNames.Add(colName);
                    }

                    select.Column(new SqlColumnName(item.Name, col.ColumnName), item.Name + "." + col.Name);
                }

                var keyName      = item.ThisKeys[0];
                var otherKeyName = item.OtherKeys[0];
                var tcol         = _metadata.Columns.Where(x => x.Name == keyName).Single();
                var ocol         = omapping.Columns.Where(x => x.Name == otherKeyName).Single();
                if (tcol.IsNullable)
                {
                    select.LeftJoin(omapping.TableName, item.Name, Condition.IsEqual(new SqlColumnName(_entityName, tcol.ColumnName), new SqlColumnName(item.Name, ocol.ColumnName)));
                }
                else
                {
                    select.InnerJoin(omapping.TableName, item.Name, Condition.IsEqual(new SqlColumnName(_entityName, tcol.ColumnName), new SqlColumnName(item.Name, ocol.ColumnName)));
                }
            }
            return(select);
        }
Exemplo n.º 11
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        public virtual void Update(TEntity entity)
        {
            ICondition criteria = IdentityInsert
                ? Conditions.IsEqual(Entity.ID, new SqlNumber(entity.Id.ToString()))
                : Conditions.IsEqual(Entity.ID, new SqlString(entity.Id.ToString()));

            var current = GetOne(criteria);

            if (current == null)
            {
                return;
            }

            bool hasChanges = false;

            foreach (var item in _metadata.Columns)
            {
                if (current[item.Name] != entity[item.Name])
                {
                    hasChanges = true;
                    break;
                }
            }

            if (hasChanges)
            {
                var update = SqlUtils.CreateUpdateStatement(_metadata);
                update.ConnectionStringName = _connectionStringName;

                foreach (var item in _metadata.Columns)
                {
                    update.SetParamValue(item.Name, entity[item.Name]);
                }

                update.Execute();
            }

            if (_hasManyAssociations.Count() == 0)
            {
                return;
            }

            foreach (IAssociationMapping hma in _hasManyAssociations)
            {
                var items = entity[hma.Name] as IEnumerable <ValueObject>;

                if (items == null)
                {
                    continue;
                }

                var storedItems = current[hma.Name] as IEnumerable <ValueObject>;
                // if (storedItems == null)
                //     continue;


                var omapping = MappingFactory.GetMapping(hma.OtherMappingType);
                //var primKeys = omapping.Columns.Where(o => o.IsPrimaryKey || o.IsDbGenerated).ToList();

                DeleteStatement deleteStament = SqlUtils.CreateDeleteStatement(omapping, true);
                deleteStament.ConnectionStringName = _connectionStringName;
                InsertStatement insertStament = SqlUtils.CreateInsertStatement(omapping);
                insertStament.ConnectionStringName = _connectionStringName;


                if (storedItems != null)
                {
                    // Delete non existent
                    foreach (ValueObject storedItem in storedItems)
                    {
                        var itemFound = items.FirstOrDefault(ci => ci.Equals(storedItem));
                        if (itemFound == null)
                        {
                            foreach (ColumnMapping cm in omapping.Columns)
                            {
                                deleteStament.SetParamValue(cm.Name, storedItem[cm.Name]);
                            }

                            deleteStament.Execute();
                        }
                    }

                    // Insert non existent
                    foreach (ValueObject item in items)
                    {
                        var itemFound = storedItems.FirstOrDefault(si => si.Equals(item));
                        if (itemFound == null)
                        {
                            foreach (ColumnMapping cm in omapping.Columns)
                            {
                                insertStament.SetParamValue(cm.Name, item[cm.Name]);
                            }

                            insertStament.Execute();
                        }
                    }
                }
                else
                {
                    foreach (ValueObject item in items)
                    {
                        foreach (ColumnMapping cm in omapping.Columns)
                        {
                            insertStament.SetParamValue(cm.Name, item[cm.Name]);
                        }

                        insertStament.Execute();
                    }
                }
            }
        }
Exemplo n.º 12
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        protected void AddDetailsDataTables()
        {
            var metadata = (TMappingInfo)MappingFactory.GetMapping(typeof(TMappingInfo));

            AddDetailsDataTables(metadata);
        }
Exemplo n.º 13
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        /// <summary>
        /// Função resposável por retornar o tipo de mapeamento do arquivo enviado
        /// </summary>
        /// <exception cref="FileFormatException">Arquivo não suportado</exception>
        /// <returns>Nome do mapeamento</returns>
        public string MappingName()
        {
            var format = MappingFactory.GetMapping(_fileExtension);

            return(format?.GetMappingType());
        }
Exemplo n.º 14
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        public static SelectStatement CreateSelectStatement(IMapping mapping)
        {
            var colNames = new List <string>();

            var baseSelect = new SelectStatement();

            baseSelect.From(mapping.TableName, mapping.EntityName);

            for (var x = 0; x < mapping.Columns.Count; x++)
            {
                var col = mapping.Columns[x];
                if (col.Name.IndexOf(".") < 0)
                {
                    baseSelect.Column(new SqlColumnName(mapping.EntityName, col.ColumnName), col.Name);
                }
            }

            var _associations = mapping.Associations.Where(x => x.GetType().Name == "MakeReferenceToMapping`2");

            foreach (var item in _associations)
            {
                var omapping = MappingFactory.GetMapping(item.OtherMappingType);

                // extra columns for criteria support
                for (var x = 0; x < omapping.Columns.Count; x++)
                {
                    var col = omapping.Columns[x];

                    string colName = item.Name + "." + col.Name;
                    if (colNames.Contains(colName))
                    {
                        continue;
                    }
                    else
                    {
                        colNames.Add(colName);
                    }

                    baseSelect.Column(new SqlColumnName(item.Name, col.ColumnName), item.Name + "." + col.Name);
                }

                var keyName      = item.ThisKeys[0];
                var otherKeyName = item.OtherKeys[0];
                var tcol         = mapping.Columns.Where(x => x.Name == keyName).Single();
                var ocol         = omapping.Columns.Where(x => x.Name == otherKeyName).Single();
                if (tcol.IsNullable)
                {
                    baseSelect.LeftJoin(omapping.TableName, item.Name, Condition.IsEqual(new SqlColumnName(mapping.EntityName, tcol.ColumnName), new SqlColumnName(item.Name, ocol.ColumnName)));
                }
                else
                {
                    baseSelect.InnerJoin(omapping.TableName, item.Name, Condition.IsEqual(new SqlColumnName(mapping.EntityName, tcol.ColumnName), new SqlColumnName(item.Name, ocol.ColumnName)));
                }
            }

            colNames = new List <string>();
            var select = new SelectStatement();

            select.From(baseSelect, mapping.EntityName);

            for (var x = 0; x < mapping.Columns.Count; x++)
            {
                string colName = mapping.Columns[x].Name;
                colNames.Add(colName);
                select.Column(new SqlColumnName(mapping.Columns[x].Name), colName);
            }

            foreach (var belong in _associations)
            {
                var omapping = MappingFactory.GetMapping(belong.OtherMappingType);
                for (var x = 0; x < omapping.Columns.Count; x++)
                {
                    string colName = belong.Name + "." + omapping.Columns[x].Name;
                    if (colNames.Contains(colName))
                    {
                        continue;
                    }
                    else
                    {
                        colNames.Add(colName);
                    }
                    select.Column(new SqlColumnName(colName), colName);
                }
            }

            return(select);
        }
Exemplo n.º 15
0
        public virtual TEntity GetOne(ICondition filter, IOrderByExpression order_by)
        {
            var select = GetSelectStatement(filter, order_by);

            var     reader = select.ExecuteReader();
            TEntity entity = default(TEntity);

            if (reader.Read())
            {
                entity = ReadEntity(reader);
            }

            reader.Close();

            if (entity == null)
            {
                return(default(TEntity));
            }

            if (_associations.Count() > 0)
            {
                foreach (IAssociationMapping _association in _associations)
                {
                    var amapping = MappingFactory.GetMapping(_association.OtherMappingType);

                    object val = entity[_association.ThisKeys[0]];
                    if (val == null)
                    {
                        continue;
                    }

                    int colCount = amapping.Columns.Count;
                    var select2  = SqlUtils.CreateSelectStatement(amapping);
                    select2.ConnectionStringName = select.ConnectionStringName;

                    select2.Where(Condition.IsEqual(_association.OtherKeys[0], new SqlNumber((int)val)));
                    var values  = new Dictionary <string, object>();
                    var reader2 = select2.ExecuteReader();
                    if (reader2.Read())
                    {
                        if (entity[_association.Name] == null)
                        {
                            entity[_association.Name] = Activator.CreateInstance(entity.GetProperty(_association.Name).PropertyType, (int)val);
                        }

                        Entity _prop = entity[_association.Name] as Entity;

                        for (int f = 0; f < reader2.FieldCount; f++)
                        {
                            _prop[reader2.GetName(f)] = reader2.GetValue(f);
                        }
                    }
                    reader2.Close();
                }
            }

            if (_hasManyAssociations.Count() == 0)
            {
                return(entity);
            }

            foreach (IAssociationMapping hma in _hasManyAssociations)
            {
                var omapping = MappingFactory.GetMapping(hma.OtherMappingType);
                int colCount = omapping.Columns.Count;
                var select2  = SqlUtils.CreateSelectStatement(omapping);
                select2.ConnectionStringName = select.ConnectionStringName;

                ICondition idCriteria = IdentityInsert
                    ? Conditions.IsEqual(hma.OtherKeys[0], new SqlNumber(entity.Id.ToString()))
                    : Conditions.IsEqual(hma.OtherKeys[0], new SqlString(entity.Id.ToString()));

                select2.Where(idCriteria);

                var reader2 = select2.ExecuteReader();
                while (reader2.Read())
                {
                    var values = new Dictionary <string, object>();
                    for (int f = 0; f < reader2.FieldCount; f++)
                    {
                        values.Add(reader2.GetName(f), reader2.GetValue(f));
                    }

                    entity.AddValueObject(hma.Name, values);
                }
                reader2.Close();
            }

            return(entity);
        }
Exemplo n.º 16
0
        public virtual void Insert(TEntity entity)
        {
            var insert = SqlUtils.CreateInsertStatement(_metadata, IdentityInsert);

            insert.ConnectionStringName = _connectionStringName;

            foreach (var item in _metadata.Columns)
            {
                if (IdentityInsert || !item.IsDbGenerated)
                {
                    insert.SetParamValue(item.Name, entity[item.Name]);
                }
            }

            if (!String.IsNullOrEmpty(insert.IdentityColumnName))
            {
                object id;
                insert.Execute(out id);
                entity[insert.IdentityColumnName] = Int32.Parse(id.ToString());
            }
            else
            {
                insert.Execute();
            }

            if (_hasManyAssociations.Count() == 0)
            {
                return;
            }

            foreach (IAssociationMapping hma in _hasManyAssociations)
            {
                var items = entity[hma.Name] as IEnumerable <IIndexable>;

                if (items == null || items.Count() == 0)
                {
                    continue;
                }

                var omapping = MappingFactory.GetMapping(hma.OtherMappingType);

                InsertStatement insert2 = SqlUtils.CreateInsertStatement(omapping);
                insert2.ConnectionStringName = insert.ConnectionStringName;
                int colCount = omapping.Columns.Count;

                foreach (TEntity item in items)
                {
                    if (!String.IsNullOrEmpty(insert.IdentityColumnName))
                    {
                        item[hma.OtherKeys[0]] = entity[insert.IdentityColumnName];
                    }

                    for (var x = 0; x < colCount; x++)
                    {
                        var propName = omapping.Columns[x].Name;

                        insert2.SetParamValue(propName, item[propName]);
                    }

                    if (!String.IsNullOrEmpty(insert2.IdentityColumnName))
                    {
                        object id;
                        insert2.Execute(out id);
                        item[insert2.IdentityColumnName] = Int32.Parse(id.ToString());
                    }
                    else
                    {
                        insert2.Execute();
                    }
                }
            }
        }
Exemplo n.º 17
0
        private void AddDataTable(string table_name, string table_alias, IMapping mapping)
        {
            if (this.Tables.Contains(table_alias))
            {
                return;
            }

            var table = new DataTable(table_alias);
            var keys  = new List <DataColumn>();

            this.Tables.Add(table);
            var columns = table.Columns;
            var select  = (new SelectStatement()).From(table_name, "t0");

            table.ExtendedProperties["Storage"] = table_name;
            foreach (var item in mapping.Columns)
            {
                if (IgnoreMemoFields && item.IsMemo)
                {
                    continue;
                }

                var        pinfo = (PropertyInfo)item.Property;
                DataColumn column;
                if (pinfo.PropertyType.IsGenericType && pinfo.PropertyType.GetGenericTypeDefinition() == typeof(Nullable <>))
                {
                    column = columns.Add(item.Name, pinfo.PropertyType.GetGenericArguments()[0]);
                }
                else if (pinfo.PropertyType.IsEnum)
                {
                    column = columns.Add(item.Name, typeof(string));
                }
                else
                {
                    column = columns.Add(item.Name, pinfo.PropertyType);
                }
                select.Column(new SqlColumnName("t0", item.ColumnName), item.Name);

                if (item.IsDbGenerated)
                {
                    column.AutoIncrement     = true;
                    column.AutoIncrementSeed = 1;
                    column.AutoIncrementStep = 1;
                    column.Unique            = true;
                }
                if (item.IsPrimaryKey)
                {
                    column.ExtendedProperties["PrimaryKey"] = true;
                    keys.Add(column);
                }
                column.AllowDBNull = item.IsNullable;
                //if (item.IsNullable && item.DefaultValue != null)
                //    column.DefaultValue = item.DefaultValue;

                if (!item.IsDbGenerated)
                {
                    if (item.DefaultFunctionValue == null)
                    {
                        column.DefaultValue = item.DefaultValue;
                    }
                    else
                    {
                        column.DefaultValue = item.DefaultFunctionValue();
                    }
                }

                column.ExtendedProperties["Storage"] = item.ColumnName;
                if (item.IsMemo)
                {
                    column.ExtendedProperties["Memo"] = true;
                }
            }
            table.ExtendedProperties["SelectStatement"] = select;

            if (keys.Count > 0)
            {
                table.PrimaryKey = keys.ToArray();
            }


            /* Procedimiento para añadir las columnas descriptivas de las columnas foreanas */
            var items = mapping.Associations.Where(x => x.GetType().Name == "MakeReferenceToMapping`2" || x.GetType().Name == "HasOneMapping`2");

            if (items.Count() == 0)
            {
                return;
            }

            //Debes poner las otras columnas con el nombre fisico alias el nombre de la propiedad
            int    t  = 1;
            string tp = "t" + t;

            foreach (var item in items)
            {
                var omapping = MappingFactory.GetMapping(item.OtherMappingType);

                // extra columns for criteria support
                for (var x = 0; x < omapping.Columns.Count; x++)
                {
                    var col = omapping.Columns[x];
                    select.Column(new SqlColumnName(tp, col.ColumnName), item.Name + "." + col.Name);
                }

                /* build joins */

                //for (var k = 0; k < item.ThisKeys.Count; k++ )
                //{
                var keyName      = item.ThisKeys[0];
                var otherKeyName = item.OtherKeys[0];
                var tcol         = mapping.Columns.Where(x => x.Name == keyName).Single();
                var ocol         = omapping.Columns.Where(x => x.Name == otherKeyName).Single();
                if (tcol.IsNullable || item.GetType().Name == "HasOneMapping`2")
                {
                    select.LeftJoin(omapping.TableName, tp, Condition.IsEqual(new SqlColumnName("t0", tcol.ColumnName), new SqlColumnName(tp, ocol.ColumnName)));
                }
                else
                {
                    select.InnerJoin(omapping.TableName, tp, Condition.IsEqual(new SqlColumnName("t0", tcol.ColumnName), new SqlColumnName(tp, ocol.ColumnName)));
                }
                //}
                /* build foreign row name */
                var lblCount = item.OtherLabels.Count;
                if (lblCount > 0)
                {
                    var lbl0 = item.OtherLabels[0];
                    //var colName = omapping.Columns.Where(x => x.Name == lbl0).Single().ColumnName;

                    ISqlExpression lblExpr;
                    if (lblCount == 1)
                    {
                        lblExpr = new SqlColumnName(item.Name + "." + item.OtherLabels[0]);
                    }
                    else
                    {
                        var lblConcat = new ConcatFunction(" | ");
                        foreach (var lbl in item.OtherLabels)
                        {
                            lblConcat.Append(new SqlColumnName(item.Name, lbl));
                        }
                        lblExpr = lblConcat;
                    }
                    var column = columns.Add(item.Name, typeof(string));
                    column.ExtendedProperties["SelectExpression"] = lblExpr;
                    column.ExtendedProperties["NonStorable"]      = true;
                }

                // Include OtherColumns in DataTable
                foreach (string ocn in item.OtherColumns)
                {
                    var column = columns.Add(omapping.EntityName + "." + ocn, typeof(string));
                    column.ExtendedProperties["NonStorable"] = true;
                }

                t++;
                tp = "t" + t;
            }
        }