view

To define a view in Python, apply the @view decorator. Like the @table decorator, you can use views in DLT for either static or streaming datasets. The following is the syntax for defining views with Python:

Syntax

Python

import dlt

@dlt.view(
  name="<name>",
  comment="<comment>")
@dlt.expect(...)
def <function-name>():
    return (<query>)

Parameters

Parameter	Type	Description
function	function	Required. A function that returns an Apache Spark DataFrame or streaming DataFrame from a user-defined query.
name	str	The table name. If not provided, defaults to the function name.
comment	str	A description for the table.