This topic provides information about date-effective data entities and data sources, and shows how to create a date-effective entity. It also explains how date effectivity applies to read and write activities. There are different design patterns for date-effective features that involve data entities. The patterns are classified into two main categories:.
The next sections describe the small list of properties and methods that control the date-effective behavior of entities and their date-effective data sources. The following table describes the properties that control the date-effective behavior of a data Resolver exercicios de matematica financeira online dating. When date effectivity is set at the data entity level, reads from the entity behave the same way as reads from a table.
The entity has ValidFrom and ValidTo fields that the system applies date filters to during reads. For data entities that aren't themselves date effective, but that have a data-effective data source, only the default query mode is available. This concept is discussed later in this article. There are scenarios where date-effective filtering is required outside the data entity, at the data source level. The purpose of a customer entity is to have a list of customers and their active primary addresses, if they have primary addresses.
Therefore, the customer entity itself isn't date effective, but it requires date filters on one of the data sources.
Resolver exercicios de matematica financeira online dating In this case, the entity isn't marked ValidTimeStateEnabled. Instead, an Apply Date Filter property is added on the data source.
If the value of Apply Date Filter is set to Yesdate filters are automatically applied to that data source. The following table describes the properties that control the date-effective behavior of a date-effective data source of a data entity. This article describes the use of these date-effective properties and the interactions between them. This section concerns only reads from the data entity. The following pair of reference matrixes describe the combinations of date-effective states that can exist between a data entity and its data source.
Each table contains four cases, and each case discusses two distinct targets. Here are the primary points that you should understand:. The following screen shot shows the Apply Date Filter property set to Yes. Therefore, date filters will be applied to reads of the Address data source.
This section describes your options for configuring the behavior of date-effective entities and their date-effective data sources. We will start by reviewing the concept of date-effective tables and contrasting them with date-effective entities. When data is inserted or updated in a date-effective table, the process has the option of calling the xRecord.
The method accepts an element of the ValidTimeStateUpdate enumeration. Here are the available element values:. By contrast, when data is inserted or updated in a date-effective data entity, the validTimeStateUpdateMode method isn't used at the entity level.
For writes, the data entity leaves the date-effective processing to the table level. You can use the Valid Time State Update property on the entity data source to specify the validTimeStateUpdateMode method to use for each data source of the data entity.
Sair do modo de foco. The patterns are classified into two main categories: Date-effective entities — The entity has at least one date-effective data source, and the entity itself is also date effective. Non-date-effective entities — The entity itself is not date effective, but it does contain date-effective data sources. Date-effective entities The following table describes the Resolver exercicios de matematica financeira online dating that control the date-effective behavior of a data entity.
The entity must have ValidFrom and ValidTo fields. These fields are mapped to the ValidFrom and ValidTo fields of a date-effective data source.
The value No does not disable the enforcement of date effectivity on any date-effective tables that are data sources of the entity. Read activities When date effectivity is set at the data entity level, reads from the entity behave the same way Resolver exercicios de matematica financeira online dating reads from a table.
Applying a date filter at the data source level There are scenarios where date-effective filtering is required outside the data entity, at the data source level. Property name of the data source Node of the property Value Description Apply Date Filter Node of any particular data source of the entity Yes or No For readsthis property controls whether date filters are applied on the entity data source. In this case, the data source should be marked ValidTimeStateEnabled. This property value has effect regardless of whether the entity itself is date effective.
For writesthis property has no effect. State matrixes for reads This section concerns only reads from the data entity. Here are the primary points that you should understand: On any given read from the entity, the query mode is the same for both the entity and date-effective data sources. If the entity is not date effective, the query mode is limited to the default mode.
Therefore, the date-effective data source is accessed only for the current date. On the date-effective data source, the Apply Date Filter property can be set to No to make the data source return all data — past, current, and future.
For OData, date-effective filters are not applied to the data entity. However, filters on the data source are applied at all code paths.
Date filters are applied. Any query mode is supported. Any query mode is supported, but the mode is the same as is coded for the entity.
Non-date-effective data sources aren't affected. No date filters are applied. Write activities This section describes your options for configuring the behavior of date-effective entities and their date-effective data sources. Here are the available element values: Creating a date-effective entity This section shows how to create a date-effective entity.
In Solution Explorer, right-click your project, and then click Properties. The Property Pages dialog box for your project opens. Change the value of the Synchronize database on build property to Trueand then click OK. You must set this property only one time per project. Add a new data entity "Resolver exercicios de matematica financeira online dating" your project Create a new entity that is named FMVehicleRateEntityand add it to the project.
In the left pane, select Microsoft Dynamics Artifactsand then click Data Entity in the left column of the main pane. The Data Entity View wizard starts. Specify the property values for the data entity that you are creating, as shown in the following screen shot. Add fields to the entity from the primary data source, FMVehicleRate.
Select all fields, and then click Finish. The items are added to the project in Solution Explorer. Verify that the build has no errors. Warnings should be tolerated at this stage in the process. The designer for the entity opens in the middle pane.
Escolha o tipo que gostaria de fornecer: The value Yes makes the entity date effective. The value Yes identifies the key that is required to enforce the date-effective values on this particular entity. For readsthis property controls whether date filters are applied on the entity data source. Links only.
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