Ejemplo n.º 1
0
        public string CreateQueryForTableCreation(IManageable model)
        {
            if (model.Configuration.ManagedProperties.Count == 0)
            {
                return(string.Empty);
            }

            StringBuilder           queryBuilder   = new StringBuilder();
            ITransactionable        sqlTransaction = new MsSqlTransaction();
            FullyQualifiedTableName tableName      = new FullyQualifiedTableName(model.Configuration.Schema, $"{Manager.TablePrefix}{model.Configuration.TableName}");

            queryBuilder.Append(sqlTransaction.AddTable(tableName, model.Configuration.PrimaryKeyProperty.Name, GetSqlDataType(model.Configuration.PrimaryKeyProperty.PropertyType, false, 0), model.Configuration.PrimaryKeyProperty.PropertyType.Equals(typeof(int?)) || model.Configuration.PrimaryKeyProperty.PropertyType.Equals(typeof(int))));

            // Aqui se colocan las propiedades del objeto. Una por columna por su puesto (excepto para la primary key).
            foreach (KeyValuePair <string, PropertyInfo> property in model.Configuration.ManagedProperties.Where(q => q.Key != model.Configuration.PrimaryKeyProperty.Name))
            {
                string sqlDataType = GetSqlDataType(property.Value.PropertyType, model.Configuration.UniqueKeyProperties.ContainsKey(property.Value.Name), GetDataLengthFromProperty(model, property.Key));

                queryBuilder.Append(sqlTransaction.AddColumn(tableName, property.Value.Name, sqlDataType));
                queryBuilder.Append(!IsNullable(property.Value) ? sqlTransaction.AddNotNullToColumn(tableName, property.Value.Name, sqlDataType) : string.Empty);
                queryBuilder.Append(IsUnique(model, property.Value.Name) ? sqlTransaction.AddUniqueToColumn(tableName, property.Value.Name) : string.Empty);
                queryBuilder.Append(IsDefault(model, property.Value.Name) ? sqlTransaction.AddDefaultToColumn(tableName, property.Value.Name, model.Configuration.DefaultAttributes[property.Value.Name].Value) : string.Empty);
            }

            Logger.Info("Created a new query for Create Table:");
            Logger.Info(queryBuilder.ToString());
            return(queryBuilder.ToString());
        }
Ejemplo n.º 2
0
        public string CreateQueryForTableAlteration(IManageable model, Dictionary <string, ColumnDefinition> columnDetails, Dictionary <string, ConstraintDefinition> constraints)
        {
            if (model.Configuration.ManagedProperties.Count == 0)
            {
                return(string.Empty);
            }

            StringBuilder           queryBuilder   = new StringBuilder();
            ITransactionable        sqlTransaction = new MsSqlTransaction();
            FullyQualifiedTableName tableName      = new FullyQualifiedTableName(model.Configuration.Schema, $"{Manager.TablePrefix}{model.Configuration.TableName}");

            foreach (KeyValuePair <string, PropertyInfo> property in model.Configuration.ManagedProperties)
            {
                columnDetails.TryGetValue(property.Value.Name, out ColumnDefinition columnDefinition);
                string sqlDataType = GetSqlDataType(property.Value.PropertyType, model.Configuration.UniqueKeyProperties.ContainsKey(property.Value.Name), GetDataLengthFromProperty(model, property.Key));

                if (IsNewColumn(columnDefinition))
                {
                    queryBuilder.Append(sqlTransaction.AddColumn(tableName, property.Value.Name, sqlDataType));
                    columnDefinition = new ColumnDefinition();
                }
                if (IsColumnDataTypeChanged(columnDefinition, sqlDataType))
                {
                    if (!string.IsNullOrWhiteSpace(columnDefinition.Column_Default))
                    {
                        queryBuilder.Append(sqlTransaction.RemoveDefaultFromColumn(tableName, $"DF_{tableName.Schema}_{tableName.Table}_{property.Value.Name}"));
                        columnDefinition.Column_Default = null;
                    }

                    queryBuilder.Append(sqlTransaction.ChangeColumnDataType(tableName, property.Value.Name, sqlDataType));
                    columnDefinition.Is_Nullable = null;
                }

                queryBuilder.Append(IsNowNullable(columnDefinition, property.Value) ? sqlTransaction.RemoveNotNullFromColumn(tableName, property.Value.Name, sqlDataType) : string.Empty);
                queryBuilder.Append(IsNoLongerNullable(columnDefinition, property.Value) ? sqlTransaction.AddNotNullToColumn(tableName, property.Value.Name, sqlDataType) : string.Empty);

                queryBuilder.Append(IsNowUnique(constraints, $"UQ_{tableName.Schema}_{tableName.Table}_{property.Value.Name}", property.Value) ? sqlTransaction.AddUniqueToColumn(tableName, property.Value.Name) : string.Empty);
                queryBuilder.Append(IsNoLongerUnique(constraints, $"UQ_{tableName.Schema}_{tableName.Table}_{property.Value.Name}", property.Value) ? sqlTransaction.RemoveUniqueFromColumn(tableName, $"UQ_{tableName.Schema}_{tableName.Table}_{property.Value.Name}") : string.Empty);

                queryBuilder.Append(IsNowDefault(columnDefinition, property.Value) ? sqlTransaction.AddDefaultToColumn(tableName, property.Value.Name, model.Configuration.DefaultAttributes[property.Value.Name].Value) : string.Empty);
                queryBuilder.Append(IsDefaultChanged(columnDefinition, property.Value) ? sqlTransaction.RenewDefaultInColumn(tableName, property.Value.Name, model.Configuration.DefaultAttributes[property.Value.Name].Value) : string.Empty);
                queryBuilder.Append(IsNoLongerDefault(columnDefinition, property.Value) ? sqlTransaction.RemoveDefaultFromColumn(tableName, $"DF_{tableName.Schema}_{tableName.Table}_{property.Value.Name}") : string.Empty);

                queryBuilder.Append(IsNowPrimaryKey(constraints, $"PK_{tableName.Schema}_{tableName.Table}_{property.Value.Name}", property.Value) ? sqlTransaction.AddPrimaryKeyToColumn(tableName, property.Value.Name) : string.Empty);
                queryBuilder.Append(IsNoLongerPrimaryKey(constraints, $"PK_{tableName.Schema}_{tableName.Table}_{property.Value.Name}", property.Value) ? sqlTransaction.RemovePrimaryKeyFromColumn(tableName, $"PK_{tableName.Schema}_{tableName.Table}_{property.Value.Name}") : string.Empty);

                queryBuilder.Append(IsNoLongerForeignKey(constraints, $"FK_{tableName.Schema}_{tableName.Table}_{property.Value.Name}", property.Value) ? sqlTransaction.RemoveForeignKeyFromColumn(tableName, $"FK_{tableName.Schema}_{tableName.Table}_{property.Value.Name}") : string.Empty);
            }

            foreach (KeyValuePair <string, ColumnDefinition> columnDetail in columnDetails.Where(q => !model.Configuration.ManagedProperties.Keys.Contains(q.Key)))
            {
                queryBuilder.Append(sqlTransaction.RemoveColumn(tableName, columnDetail.Key));
            }

            return(queryBuilder.ToString());
        }