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wire.data.DataSet

Use the DataSet class to combine a data source and a query to create live, interactive connections to data services.

Properties

Name
Type
Default
Description
DataId
string
guid
The unique identifier for the data set. This can be used with data events to listen for changes to the data set.
Events
boolean
true
Determines whether the data set listens for data events. This is often set to false for data sets bound to filters.
Query
object
null
Source
object
null
The wire.data.DataSource object that is the data source.
Transform
function
null
The callback hook for any custom data processing after the data has come back from the data service but before its broadcast to consumers including components listening for changes.
Write
object
null
Sets up the data set to support writing data to a data service. For details, visit Writing Data.

Methods

Name
Description
cast
Static method that casts an object with the same data set properties into an instance of the DataSet class.
data
Returns or sets the data inside the data set.
execAsync
Asynchronous call to execute the query against the data service defined in the data source. Returns a DataPromise but does not add it to the update stack. This data set will not send out updates to the promise if it picks up changes. For details visit, Executing Queries.
execAsyncListen
Functions the same as execAsync except it adds the DataPromise to the update stack. This data set will send out updates to the promise when it picks up changes. For details visit, Executing Queries.
refresh
Forces the data set to re-execute the query in the data set to bring down new data.
table
Helper method for TypeScript defined as IWireDataTable. Returns the data inside the data set. This method assumes the data is a wire.data.DataTable.
write
Writes an array of data to the data service using the configuration in the Write property. For details, visit Writing Data.
For details and examples on data sets, visit Working with DataSets.