/// <summary>Limits the query to results that match specified filtering criteria.</summary> /// <returns> /// A new <see cref="T:System.Data.Entity.Core.Objects.ObjectQuery`1" /> instance that is equivalent to the original instance with WHERE applied. /// </returns> /// <param name="predicate">The filter predicate.</param> /// <param name="parameters">Zero or more parameters that are used in this method.</param> /// <exception cref="T:System.ArgumentNullException"> predicate is null or parameters is null.</exception> /// <exception cref="T:System.ArgumentException">The predicate is an empty string.</exception> public ObjectQuery <T> Where(string predicate, params ObjectParameter[] parameters) { Check.NotEmpty(predicate, "predicate"); Check.NotNull(parameters, "parameters"); return(new ObjectQuery <T>(EntitySqlQueryBuilder.Where(QueryState, Name, predicate, parameters))); }
/// <summary> /// This query-builder method creates a new query whose results are the /// results of this query filtered by some criteria. /// </summary> /// <param name="predicate"> /// The filter predicate. /// </param> /// <param name="parameters"> /// An optional set of query parameters that should be in scope when parsing. /// </param> /// <returns> /// a new ObjectQuery instance. /// </returns> /// <exception cref="ArgumentNullException"> /// If either argument is null. /// </exception> /// <exception cref="ArgumentException"> /// If the filter predicate command text is empty. /// </exception> public ObjectQuery <T> Where(string predicate, params ObjectParameter[] parameters) { EntityUtil.CheckArgumentNull(predicate, "predicate"); EntityUtil.CheckArgumentNull(parameters, "parameters"); if (StringUtil.IsNullOrEmptyOrWhiteSpace(predicate)) { throw EntityUtil.Argument(System.Data.Entity.Strings.ObjectQuery_QueryBuilder_InvalidFilterPredicate, "predicate"); } return(new ObjectQuery <T>(EntitySqlQueryBuilder.Where(this.QueryState, this.Name, predicate, parameters))); }
/// <summary>Limits the query to results that match specified filtering criteria.</summary> /// <returns> /// A new <see cref="T:System.Data.Entity.Core.Objects.ObjectQuery`1" /> instance that is equivalent to the original instance with WHERE applied. /// </returns> /// <param name="predicate">The filter predicate.</param> /// <param name="parameters">Zero or more parameters that are used in this method.</param> /// <exception cref="T:System.ArgumentNullException"> predicate is null or parameters is null.</exception> /// <exception cref="T:System.ArgumentException">The predicate is an empty string.</exception> public ObjectQuery <T> Where(string predicate, params ObjectParameter[] parameters) { Check.NotEmpty(predicate, nameof(predicate)); Check.NotNull <ObjectParameter[]>(parameters, nameof(parameters)); return(new ObjectQuery <T>(EntitySqlQueryBuilder.Where(this.QueryState, this.Name, predicate, parameters))); }