Esempio n. 1
0
        public override string BuildFromString(BuildMapState state, ISqlSyntax sqlFragmentBuilder, string wrappedQueryAlias = null)
        {
            var tableIsFirstParamPart = wrappedQueryAlias == null;

            var table1 = (First.Param ?? "").StartsWith("@") ? null : wrappedQueryAlias;

            return(Next.Aggregate(
                       BuildColumn(table1, First),
                       Aggregate));

            string Aggregate(string x, (StringBasedElement param, BinarySqlOperator type) y)
            {
                var table  = (y.param.Param ?? "").StartsWith("@") ? null : wrappedQueryAlias;
                var yValue = BuildColumn(table, y.param);

                return(ISqlExpressionUtils.Combine(sqlFragmentBuilder, x, yValue, y.type));
            }

            string BuildColumn(string tab, StringBasedElement el)
            {
                var column = el.AddRoot(state).param;

                if (tableIsFirstParamPart)
                {
                    var p = column.Split('.');
                    if (p.Length > 1)
                    {
                        tab    = p.Take(p.Length - 1).JoinString(".");
                        column = p[p.Length - 1];
                    }
                }

                return(sqlFragmentBuilder.BuildSelectColumn(tab, column));
            }
        }
Esempio n. 2
0
        public string BuildFromString(BuildMapState state, ISqlSyntax sqlFragmentBuilder, string wrappedQueryAlias = null)
        {
            var first = First.BuildFromString(state, sqlFragmentBuilder, wrappedQueryAlias);

            return(AddUnaryCondition(
                       sqlFragmentBuilder,
                       first,
                       Operator,
                       First.HasOneItemOnly));
        }
Esempio n. 3
0
        public MappedSqlStatementBuilder(
            BuildMapState state,
            IEnumerable <QueryElementBasedMappedProperty> selectProperties,
            ISqlSelectStatement statement,
            ISqlString innerSqlString,
            ISqlSyntax sqlSyntax)
        {
            State            = state ?? throw new ArgumentNullException(nameof(state));
            SelectProperties = selectProperties?.ToDictionary(x => x.To) ?? throw new ArgumentNullException(nameof(selectProperties));
            Statement        = statement ?? throw new ArgumentNullException(nameof(statement));
            InnerSqlString   = innerSqlString ?? throw new ArgumentNullException(nameof(innerSqlString));
            SqlSyntax        = sqlSyntax ?? throw new ArgumentNullException(nameof(innerSqlString));

            // this paradigm can be extended if there are more than 1
            // alias needed per query
            InnerQueryAlias = SqlStatementConstants.InnerQueryAlias;
        }
Esempio n. 4
0
        public override string BuildFromString(BuildMapState state, ISqlSyntax sqlFragmentBuilder, string wrappedQueryAlias = null)
        {
            return(Next.Aggregate(
                       BuildColumn(First),
                       Aggregate));

            string Aggregate(string x, (SelectColumnBasedElement param, BinarySqlOperator type) y)
            {
                var yValue = BuildColumn(y.param);

                return(ISqlExpressionUtils.Combine(sqlFragmentBuilder, x, yValue, y.type));
            }

            string BuildColumn(SelectColumnBasedElement el)
            {
                return(sqlFragmentBuilder.BuildSelectColumn(
                           el.IsParameter ? null : wrappedQueryAlias,
                           el.IsParameter ? el.ParameterName : el.Column.Alias));
            }
        }