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    Interface IDatasetQueryableItem

    The system entity for a DataSet Queryable Item, which belongs to a IDataset

    See https://help.lemonedge.com/help/enterprise-data-tools/reporting/datasets/queryable-items-view.html for more information

    Inherited Members
    IBaseEntity.GetLabel(string)
    IBaseEntity.SetLabel(string, string)
    IBaseEntity.SetSilentLabel(string, string)
    IBaseEntity.AccountID
    IBaseEntity.ID
    IBaseEntity.LastUpdated
    IBaseEntity.ModifiedByUserID
    IBaseEntity.CanvasID
    IBaseEntity.AlgorithmStepID
    IBaseEntity.SafeID
    IEquatable<IBaseEntity>.Equals(IBaseEntity)
    INotifyPropertyChanged.PropertyChanged
    INotifyPropertyChanging.PropertyChanging
    ICloneableAsync.Clone(object)
    ICloneableAsync.CopyFromSource(object)
    ICanTrackProperties.HasTrackedPropertyChanged(string)
    ICanTrackProperties.OriginalTrackedPropertyValue(string)
    ICanTrackProperties.OriginalTrackedPropertyValue<T>(string)
    ICanTrackProperties.ClearTrackedOriginalValues()
    ICanTrackProperties.GetAllOriginalTrackedPropertyValues()
    Namespace: LemonEdge.API.Entities.Reporting
    Assembly: LemonEdge.API.dll
    Syntax
    [EntityDefinition(EntityID.DatasetQueryableItem, "dbo.LT_DatasetQueryableItems", "DatasetQueryableItem", LabelColumn = "Name")]
    [DefaultEntityIcon(ImageType.Dataset)]
    [EntityLinkToAnyParentRelationshipModifier(EntityID.SQLWrapper, "OwnerEntityID", "ID", ExcludeFromRelationship = true)]
    [EntityLinkToAnyParentRelationshipModifier(EntityID.DataSourceIDs, "EntityID", "ID", ExcludeFromRelationship = true)]
    [EntityIndex(Name = "DataSetItems", ColumnNames = new string[] { "DatasetID" }, IndexOrder = new IndexOrder[] { IndexOrder.Ascending }, IsClustered = false, IsUnique = false)]
    public interface IDatasetQueryableItem : IBaseEntity, IEquatable<IBaseEntity>, INotifyPropertyChanged, INotifyPropertyChanging, ICloneableAsync, ICanTrackProperties

    Properties

    DatasetID

    Links to IDataset. The parent dataset this queryable item belongs to

    Declaration
    [EntityProperty(SQLType.UniqueIdentifier, false)]
    [EntityRelationship(EntityID.Dataset, "ID", SingleJoinType.One, "Dataset", "Queryable Items", DeleteWithRelationship = true, PartOfParentSet = true, InheritPermissions = true)]
    [RequiredNoDefaultIDValidation]
    Guid DatasetID { get; set; }
    Property Value
    Type Description
    Guid

    Distinct

    Indicates all rows returned must be distinct removing any duplicate values

    Declaration
    [EntityProperty(SQLType.Bit, false, "0")]
    [EntityDescription("Indicates if only distinct row results should be returned in this queryable item.")]
    bool Distinct { get; set; }
    Property Value
    Type Description
    bool

    IsWith

    Not used yet: Indicates this queryable item should generate a with statement that can be used by the next queryable item set

    Declaration
    [EntityProperty(SQLType.Bit, false, "0")]
    [EntityDescription("Indicates this queryable item should generate a with statement that can be used by the next queryable item set.")]
    bool IsWith { get; set; }
    Property Value
    Type Description
    bool

    JoinType

    If this Queryable Item is a child of any other Queryable Item, then this specifies the type of join this queryable item will have to the overall dataset:

    • Exclusive: Equivalent to Inner Join in SQL.
    • Inclusive: Equivalent to Outer Join in SQL
    • CrossJoin: Equivalent to Cross Join in SQL
    Declaration
    [EntityProperty(SQLType.SmallInt, true)]
    [EntityDescription("The type of join to use when joining this queryable item to its parent.")]
    DatasetRelationshipJoinType? JoinType { get; set; }
    Property Value
    Type Description
    DatasetRelationshipJoinType?

    Name

    [Key] This is the user friendly name of the queryable item as it will appear in the treeview.

    This makes looking at the data structure very easy at a glance.It is also the name the user will see if they are able to open a row of data from this item type

    Declaration
    [EntityProperty(SQLType.NVarChar, 500, false)]
    [EntityKeyProperty]
    [EntityDescription("The name of this queryable item.")]
    [Required]
    string Name { get; set; }
    Property Value
    Type Description
    string

    ParentID

    The Queryable Item this entity is a child of (if it is not the root queryable item)

    Declaration
    [EntityProperty(SQLType.UniqueIdentifier, true)]
    [EntitySelfRelationship("ID", SingleJoinType.ZeroToOne, "IDatasetQueryableItem", "Queryable Items", DeleteWithRelationship = true, PartOfParentSet = false, LinkToItemInSet = false, InheritPermissions = false, PreventAutoConstraint = true)]
    Guid? ParentID { get; set; }
    Property Value
    Type Description
    Guid?

    QueryableItemID

    The item of the specified type that you want to query

    A queryable item inherits IQueryableItem

    Declaration
    [EntityProperty(SQLType.NVarChar, 500, false)]
    [EntityDescription("The id of this queryable item.")]
    string QueryableItemID { get; set; }
    Property Value
    Type Description
    string

    QueryableItemSubID

    The sub id of this queryable item.

    Declaration
    [EntityProperty(SQLType.NVarChar, 500, true)]
    [EntityDescription("The sub id of this queryable item.")]
    string QueryableItemSubID { get; set; }
    Property Value
    Type Description
    string

    QueryableItemTypeName

    The type of item you want to query. This can be an Entity, History, or Query.

    Declaration
    [EntityProperty(SQLType.NVarChar, 50, false)]
    [EntityDescription("The type of queryable item.")]
    [Required]
    string QueryableItemTypeName { get; set; }
    Property Value
    Type Description
    string

    ReplicateForAll

    If the queryable item type is a type that has sub Queryable Item Options, such as permissions, then this indicates you want to replicate your query for every option and union the results together.

    Declaration
    [EntityProperty(SQLType.Bit, false, "0")]
    [EntityDescription("Indicates this queryable item should be replicated for each possible type in the function.")]
    bool ReplicateForAll { get; set; }
    Property Value
    Type Description
    bool

    Sequence

    Holds the order of this queryable item in the set.

    Declaration
    [EntityProperty(SQLType.SmallInt, false, "0")]
    [EntityDescription("Holds the order of this queryable item in the set.")]
    [EntitySequence]
    short Sequence { get; set; }
    Property Value
    Type Description
    short

    SetType

    Specifies the operator to apply when combining the data from this set with the data from the prior set

    Declaration
    [EntityProperty(SQLType.SmallInt, true)]
    [EntityDescription("The type of set operator to use when combining this queryable item to the one prior to it.")]
    SetOperator? SetType { get; set; }
    Property Value
    Type Description
    SetOperator?

    Skip

    Indicates the queryable item should skip the specified number of rows (requires an order in the Columns) before returning the remaining amount

    Declaration
    [EntityProperty(SQLType.Int, true)]
    [EntityDescription("Indicates if the specified number of rows should be skipped (requires an order in the Columns) before returning the rows in this queryable item.")]
    int? Skip { get; set; }
    Property Value
    Type Description
    int?

    Top

    Indicates the queryable item should always only return the following number of rows

    Declaration
    [EntityProperty(SQLType.Int, true)]
    [EntityDescription("Indicates if just the top (requires an order in the Columns) specified number of rows should be returned in this queryable item.")]
    int? Top { get; set; }
    Property Value
    Type Description
    int?

    Extension Methods

    LinqExtensions.AsArray<T>(T)
    LinqExtensions.ToArrayOfOne<T>(T)
    LinqExtensions.ToListOfOne<T>(T)
    MiscExtensions.SetIfNotEqual<T, TP>(T, Expression<Func<T, TP>>, TP)
    WeakReferenceExtensions.WeakReference(object)
    SQLExtensions.ToSQLValue(object, bool)
    ReflectionExtensions.ClearEventInvocations(object, string)
    StringExtensions.ToCSVFormatString(object, Type)

    See Also

    IDataset
    IDatasetQueryableItemFieldInfo
    IDatasetQueryableItemJoin
    ISQLWrapper
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